UCAT University Clinical Aptitude Test — Questions and Answers
Question 1: Passage: 'A hospital audit revealed that hand hygiene compliance among staff was 43% before an intervention programme and 78% after. Hospital-acquired infection rates fell by 31% over the same period. The audit concluded the programme was effective.' Which of the following most weakens this conclusion? A) Some staff found the programme time-consuming B) Infection rates at other hospitals also fell by a similar margin during the same period C) The 78% compliance rate is still below the target of 90% D) The intervention cost more than initially budgeted
- The 78% compliance rate is still below the target of 90%
- Some staff found the programme time-consuming
- The intervention cost more than initially budgeted
- Infection rates at other hospitals also fell by a similar margin during the same period (Correct answer)
Correct answer: Infection rates at other hospitals also fell by a similar margin during the same period
If infection rates fell equally elsewhere without the programme, an external factor rather than the intervention may explain the improvement.
Question 2: NASA's roving vehicle 'Curiosity' may be able to drill into the Martian surface, collect up samples, and deliver them to its suite of scientific instruments, but its operational range is restricted by appropriate terrain and the length of its probe arms. The American space agency is considering a more radical strategy for capturing planetary or atmospheric particles at larger distances and transferring them to an orbiting spacecraft or ground-based laboratory for investigation. The use of laser light to capture and move items may appear to be ridiculous science fiction, but funding has been allocated to examine the viability of three 'tractor beams' capable of gathering single molecules, viruses and functioning cells. <br> <br> The first experimental method uses two counter-propagating light beams to form a 'ring' that traps particles within its darkened core. By increasing or decreasing the intensity of one of the beams, particles can be pushed by the hot air that surrounds them. This optical vortex has undergone laboratory testing, but the fact that it requires an atmosphere to function is a significant disadvantage. The second solution overcomes this issue by utilizing electromagnetic effects produced by optical solenoid beams. This type of laser-based device has been shown to attract particulate materials over the entire beam and is perfect for usage on airless planetoids and bodies. The final concept is totally hypothetical, based on the use of Bessel beams. Unlike conventional single-point projected laser beams, Bessels creates a sequence of concentric circles that, in theory, can repel or attract items based on the electric and magnetic fields generated between their rings. <br> <br> According to the passage, the author most likely agrees that:
- Optical solenoid technology has an inherent disadvantage because it draws sample particles along its beams entire length
- Bessel beam technology is the best method for NASA to develop because it does not create a single projected point
- The optical vortex approach will prove to application because it uses heated air to move particles
- The employment of 'tractor beams' to capture and transport particles may prove more flexible than the present Mars rover (Correct answer)
Correct answer: The employment of 'tractor beams' to capture and transport particles may prove more flexible than the present Mars rover
The passage highlights that the current Mars rover's 'operational range is restricted,' contrasting it with the proposed 'tractor beams' which are described as a 'more radical strategy for capturing planetary or atmospheric particles at larger distances.' This comparison directly implies that the author views tractor beams as offering greater flexibility and reach than the existing rover technology. Thus, the author most likely agrees that tractor beams could be more flexible.
Question 3: Clark, Sam, Drake, Rosie, and Mary each own one automobile. The vehicles are either red, blue, or green in color. Three cars are hatchbacks, while the others are sedans. All of the sedans are green. Hatchbacks are either blue or red. Mary and Clark do not have a hatchback. Only Drake, not Sam or Rosie, drives a blue automobile. Which of the following assertions is accurate?
- Sam has a red hatchback (Correct answer)
- Rosie has a red sedan
- There are three red cars
- There are two blue cars
Correct answer: Sam has a red hatchback
Employees are promoted based on their performance ratings. A corporation assesses all of its employees' bonus allocations on a scale of 1 to 4. One is the highest, while four is the lowest. Employees can only be promoted after three years of service in the same position. To get a bonus payment, all employees, including those eligible for promotion, must receive a rating of 1 or 2.
Question 4: A committee must select 2 projects from 5 candidates (A, B, C, D, E). Constraint: A and B cannot both be selected. How many valid combinations exist?
- 9
- 8 (Correct answer)
- 10
- 6
Correct answer: 8
Total combinations = C(5,2) = 10; combinations with both A and B = C(3,0) = 1 (AB + one of C/D/E = 3); valid = 10 − 3 = 7... recalculated: AB can pair with C, D, or E = 3 invalid; 10 − 3 = 7.
Question 5: St Kilda is located 41 miles west of Scotland's Outer Hebrides. Its islands had been inhabited since prehistoric times and had evolved a distinct civilization. Until they left in 1930, the community had struggled for years with isolation and the elements. Healthcare was inadequate, and food production gradually failed. Scientists observed that the islanders unknowingly damaged the soil by using seabird carcasses to manure their fields, resulting in lethal levels of contamination and rendering them nearly worthless as a food source. When a local spring dried up, drinking water had to be imported until a desalination system was installed. <br> <br> Although it now has no permanent population, St Kilda is occupied year-round by persons temporarily working on the military installation (built in 1957), as well as botanists, geologists, anthropologists, archaeologists, ornithologists, oceanographers conducting vital research, and volunteers. They rely on military infrastructure for energy, water, supplies, communications, and medical care. There is also a helicopter pad on the military base. This simplifies the work of conservation organizations and serves the demands of around 2,000 tourists per year. <br> <br> Technology can now substantially address the issues that led to St Kilda's evacuation 90 years ago. It appears that the islands' temporary population will eventually become permanent, particularly if oil exploration is permitted. In 1986, the United Nations Educational, Scientific, and Cultural Organization (UNESCO) designated St Kilda as a World Heritage Site in honor of its natural beauty, seabird population, and diverse ecological habitats. More recently, St Kilda's cultural legacy has become the organization's primary focus, encouraging people to appreciate a way of life that is no longer available. All of this could be jeopardized if oil is discovered there. <br> <br> What factor does the writer emphasise as being most likely to lead to the settlement of a permanent population on St Kilda?
- Presence of a military base
- Oil exploration (Correct answer)
- Scientific research
- Archaeological investigation
Correct answer: Oil exploration
The passage directly states, 'It appears that the islands' temporary population will eventually become permanent, particularly if oil exploration is permitted.' The phrase 'particularly if' highlights oil exploration as the most significant factor that would likely lead to the establishment of a permanent population on St Kilda, more so than the other mentioned factors.
Question 6: A study of 50 volunteers finds that a supplement improves memory scores. A critic says the sample is too small. Which concept does the critic's objection relate to?
- External validity
- Confounding
- Statistical power (Correct answer)
- Internal validity
Correct answer: Statistical power
Statistical power refers to a study's ability to detect a true effect; small samples reduce power and increase the risk of false negatives.
Question 7: What is the main purpose of the University Clinical Aptitude Test (UCAT)?
- To test students' knowledge of high school science
- To evaluate candidates' suitability for healthcare careers (Correct answer)
- To measure the research skills of potential university professors
- To assess applicants' ability to practice law
Correct answer: To evaluate candidates' suitability for healthcare careers
The University Clinical Aptitude Test (UCAT) is an admissions test used by a consortium of universities in the UK, Australia, and New Zealand for their medical and dental degree programs. Its main purpose is to assess a range of cognitive abilities, attitudes, and professional behaviors that are considered essential for successful careers in healthcare. It helps universities select candidates who are best suited for the demanding nature of these professions.
Question 8: Passage: 'Obesity is often framed as a failure of individual willpower. Yet longitudinal data show that environmental factors—food deserts, sedentary jobs, marketing of ultra-processed foods—predict obesity rates more reliably than individual attitudes. Interventions targeting personal behaviour alone have modest long-term success.' The author would most likely support: A) Mandatory calorie restriction enforced by law B) Public health policies targeting food environments and marketing regulations C) Blaming individuals for poor dietary choices D) Abandoning obesity research as ineffective
- Public health policies targeting food environments and marketing regulations (Correct answer)
- Abandoning obesity research as ineffective
- Blaming individuals for poor dietary choices
- Mandatory calorie restriction enforced by law
Correct answer: Public health policies targeting food environments and marketing regulations
The passage argues environmental factors are primary drivers, logically supporting environmental policy interventions over individual-blame approaches.
Question 9: Passage: 'A clinical trial comparing Drug X to a placebo recruited only male participants aged 25–45. The drug showed significant benefit. The researchers concluded Drug X is effective for all adults.' What is the primary flaw in this conclusion? A) The trial used a placebo instead of an active comparator B) The sample excludes women and older adults, limiting generalisability C) The researchers should have used a larger dose D) Significant benefit in a trial is not meaningful
- Significant benefit in a trial is not meaningful
- The researchers should have used a larger dose
- The sample excludes women and older adults, limiting generalisability (Correct answer)
- The trial used a placebo instead of an active comparator
Correct answer: The sample excludes women and older adults, limiting generalisability
Conclusions drawn from a restricted demographic cannot validly be extended to 'all adults.'
Question 10: Which of the following is NOT a function of the liver?
- Glycogen storage
- Insulin secretion (Correct answer)
- Bile production
- Detoxification of blood
Correct answer: Insulin secretion
Insulin is secreted by the pancreas, not the liver; the liver stores glycogen but does not produce insulin.
Question 11: A ward has 4 nurses covering 3 shifts (morning, afternoon, night) over a 7-day week. Each nurse works 5 shifts per week. How many total nurse-shifts are available per week?
- 28
- 12
- 21
- 20 (Correct answer)
Correct answer: 20
4 nurses × 5 shifts each = 20 nurse-shifts available per week.
Question 12: A hospital has 3 ICU beds available. Patient A needs ICU care for 2 days, Patient B for 5 days, and Patient C for 1 day. A new critical patient D arrives needing 3 days. Currently A, B, and C occupy all beds. Which patient should be moved to a step-down unit to accommodate Patient D, assuming all are medically stable enough for transfer?
- Patient B (Correct answer)
- Patient C
- Patients A and C together
- Patient A
Correct answer: Patient B
Patient B has the longest remaining stay (5 days), so transferring them frees a bed for the longest period and maximizes ICU throughput.
Question 13: Passage: 'Overdiagnosis occurs when a condition is correctly identified but would never have caused symptoms or death. It is distinct from misdiagnosis. Expanded screening and more sensitive tests have increased overdiagnosis rates for thyroid cancer, breast cancer, and prostate cancer. Patients diagnosed with non-progressive disease may undergo unnecessary treatment with real harms.' Which statement is TRUE according to the passage? A) Overdiagnosis is the same as misdiagnosis B) More sensitive screening tests always improve patient outcomes C) Some correctly diagnosed cancers may still not require treatment D) Overdiagnosis only affects prostate cancer
- Overdiagnosis is the same as misdiagnosis
- Some correctly diagnosed cancers may still not require treatment (Correct answer)
- More sensitive screening tests always improve patient outcomes
- Overdiagnosis only affects prostate cancer
Correct answer: Some correctly diagnosed cancers may still not require treatment
The passage defines overdiagnosis as correct identification of conditions that would never cause harm, implying treatment for these diagnoses is unnecessary.
Question 14: Passage: 'Physician burnout affects an estimated 50% of doctors in the US, with consequences including increased medical errors, reduced empathy, and higher staff turnover. Contributing factors include administrative burden, long hours, and a culture that discourages help-seeking. Systemic solutions—workload reduction, peer support programmes—show more promise than resilience training alone.' The author's position on resilience training is best described as: A) It is the most effective solution to burnout B) It is harmful and should be prohibited C) It is insufficient if systemic causes of burnout are not also addressed D) It has never been studied
- It is harmful and should be prohibited
- It is insufficient if systemic causes of burnout are not also addressed (Correct answer)
- It has never been studied
- It is the most effective solution to burnout
Correct answer: It is insufficient if systemic causes of burnout are not also addressed
The passage says systemic solutions show 'more promise than resilience training alone,' implying resilience training is not enough on its own.
Question 15: Which organ produces insulin in the human body?
- Pancreas (Correct answer)
- Adrenal gland
- Spleen
- Liver
Correct answer: Pancreas
Insulin is produced by the beta cells of the islets of Langerhans within the pancreas.
Question 16: In an argument, which of the following is an example of a logical fallacy known as 'post hoc ergo propter hoc'?
- Patient A recovered after surgery
- Infection rates fell after introducing hand hygiene training; therefore training caused the fall (Correct answer)
- All doctors should practice evidence-based medicine
- A new drug lowers blood pressure; therefore it should be approved
Correct answer: Infection rates fell after introducing hand hygiene training; therefore training caused the fall
'Post hoc ergo propter hoc' is the fallacy of assuming that because B followed A, A caused B — correlation in time is mistaken for causation.
Question 17: A table shows hospital staff absences per month: Jan 50, Feb 45, Mar 60, Apr 55, May 40. What is the mode?
- 40
- 50
- 45
- No mode (Correct answer)
Correct answer: No mode
Each value appears only once in the dataset, so there is no mode.
Question 18: A clinical trial reports a relative risk reduction of 50% for Drug Y vs placebo. The absolute risk in the placebo group was 4%. What is the absolute risk reduction?
- 2% (Correct answer)
- 1%
- 4%
- 50%
Correct answer: 2%
Absolute risk reduction = 50% of 4% = 2%; the drug reduces absolute risk from 4% to 2%.
Question 19: An argument claims that because Hospital X has the best survival rates, it must have the best doctors. Which logical flaw is present?
- False dichotomy
- Ad hominem
- Hasty generalisation
- Confusing correlation with causation (Correct answer)
Correct answer: Confusing correlation with causation
Survival rates may be influenced by many factors (case mix, resources, location) other than doctor quality — the argument confuses association with causation.
Question 20: A cost-effectiveness analysis shows Treatment A costs $5,000 per quality-adjusted life year (QALY) and Treatment B costs $8,000 per QALY. If a health authority can fund only one, which is more cost-effective?
- Both equally
- Treatment A (Correct answer)
- Treatment B
- Neither
Correct answer: Treatment A
Treatment A at $5,000 per QALY is more cost-effective because it achieves each QALY at a lower cost.
Question 21: A hospital manager says: 'If we extend opening hours, patient volumes will increase. If volumes increase, revenue will increase.' What conclusion follows logically?
- Revenue will definitely increase this year
- If opening hours are extended, revenue will increase (Correct answer)
- Patients prefer longer opening hours
- Extending hours is always cost-effective
Correct answer: If opening hours are extended, revenue will increase
Linking the two conditional statements logically produces: if opening hours are extended, then revenue will increase.
Question 22: Which of the following statements is a value judgement rather than a factual claim?
- The readmission rate is 10%
- The hospital has 200 beds
- Patients should always be prioritised over cost concerns (Correct answer)
- Staff absences increased by 5% last year
Correct answer: Patients should always be prioritised over cost concerns
The statement about patient priorities over cost is normative (value-based), while the others are empirical facts that can be measured.
Question 23: How long do you have to complete the UCAT?
- You have to finish the UCAT in 1 hour
- You have to complete the UCAT in 120 minutes (Correct answer)
- You have to complete the UCAT in 2 hours
- You have 60 minutes to complete the UCAT
Correct answer: You have to complete the UCAT in 120 minutes
The UCAT is a strictly timed examination, with candidates typically allotted a total of 120 minutes, or two hours, to complete all five sections of the test. This duration includes brief instructional time provided at the beginning of each section. Managing time effectively within these constraints is a crucial aspect of performing well on the UCAT.
Question 24: Passage: 'Chronic sleep deprivation impairs cognitive function comparably to alcohol intoxication. Despite this, many healthcare systems require junior doctors to work shifts exceeding 24 hours. Proponents argue long shifts foster continuity of care; critics contend they increase medical errors.' Which statement represents the critics' strongest argument? A) Doctors enjoy long shifts as they build resilience B) Continuity of care is more important than doctor wellbeing C) Sleep-deprived doctors make errors that outweigh any continuity benefits D) Only senior doctors should work long shifts
- Only senior doctors should work long shifts
- Sleep-deprived doctors make errors that outweigh any continuity benefits (Correct answer)
- Doctors enjoy long shifts as they build resilience
- Continuity of care is more important than doctor wellbeing
Correct answer: Sleep-deprived doctors make errors that outweigh any continuity benefits
The critics' strongest argument directly counters the continuity justification by citing the patient-safety cost of impaired cognition.
Question 25: Passage: 'The concept of clinical equipoise holds that a randomised trial is ethical only when there is genuine uncertainty in the medical community about which treatment is superior. Once evidence clearly favours one arm, the trial should be stopped. Critics argue that stopping early inflates apparent treatment effects.' If a trial is stopped early because interim data strongly favour the treatment: A) The trial was unethical from the outset B) The final reported benefit may be an overestimate of the true effect C) Clinical equipoise was never relevant D) The control arm patients were not harmed
- The final reported benefit may be an overestimate of the true effect (Correct answer)
- The trial was unethical from the outset
- Clinical equipoise was never relevant
- The control arm patients were not harmed
Correct answer: The final reported benefit may be an overestimate of the true effect
The passage states critics believe early stopping inflates apparent treatment effects, meaning reported benefits may exceed true benefits.
Question 26: Which section of the UCAT assesses candidates' ability to evaluate information presented in various formats?
- Decision Making (Correct answer)
- Quantitative Reasoning
- Situational Judgement
- Verbal Reasoning
Correct answer: Decision Making
The Decision Making section of the UCAT is specifically designed to evaluate a candidate's ability to make sound judgments and decisions when presented with complex information. This often involves interpreting and evaluating data from various sources, including text, graphs, tables, and diagrams, to identify relevant information and draw logical conclusions. It tests the capacity to weigh options and choose the best course of action under pressure.
Question 27: What types of questions are included in the Decision Making subtest?
- Questions that rely on Venn diagrams for their solutions.
- Questions that require responding to five statements with 'yes' or 'no'.
- Questions that assess knowledge of specific mathematical reasoning.
- Questions that may refer to text, charts, tables, graphs or diagrams. (Correct answer)
Correct answer: Questions that may refer to text, charts, tables, graphs or diagrams.
The Decision Making subtest draws on many information formats, so its questions may refer to text, charts, tables, graphs, or diagrams that you must process to make a choice. The other options describe narrower formats — yes/no statements, pure math reasoning, or Venn-diagram-only solutions — which are too limited to capture the full range of question styles used.
Question 28: Passage: 'Surgical informed consent requires that patients understand the procedure, its risks, benefits, and alternatives. Studies show many patients recall fewer than half the risks disclosed during pre-operative consultations, often because consultations occur when patients are anxious or unwell.' Which intervention is most logically supported by this evidence? A) Eliminating verbal consent in favour of written forms only B) Providing written summaries after consultations so patients can review information when calmer C) Shortening the consent discussion to reduce patient anxiety D) Requiring patients to sign consent forms without reading them to reduce distress
- Eliminating verbal consent in favour of written forms only
- Providing written summaries after consultations so patients can review information when calmer (Correct answer)
- Requiring patients to sign consent forms without reading them to reduce distress
- Shortening the consent discussion to reduce patient anxiety
Correct answer: Providing written summaries after consultations so patients can review information when calmer
Written summaries allow recall review when anxiety is lower, directly addressing the retention problem identified in the passage.
Question 29: No reptiles are warm-blooded. All snakes are reptiles. Which statement must be true?
- Some snakes are warm-blooded
- No snakes are warm-blooded (Correct answer)
- Some reptiles are snakes
- All warm-blooded animals are snakes
Correct answer: No snakes are warm-blooded
Since no reptiles are warm-blooded and all snakes are reptiles, no snakes can be warm-blooded.
Question 30: Which vitamin is primarily synthesized in the skin upon exposure to sunlight?
- Vitamin D (Correct answer)
- Vitamin B12
- Vitamin A
- Vitamin C
Correct answer: Vitamin D
Ultraviolet B radiation from sunlight converts 7-dehydrocholesterol in the skin to vitamin D3.
Question 31: A pie chart shows hospital budget allocation: salaries 55%, equipment 20%, maintenance 15%, other 10%. If the total budget is $2,000,000, how much is spent on maintenance?
- $300,000 (Correct answer)
- $400,000
- $350,000
- $250,000
Correct answer: $300,000
15% of $2,000,000 = 0.15 × 2,000,000 = $300,000 for maintenance.
Question 32: What does DNA stand for?
- Diribonucleic acid
- Deoxyribonucleic acid (Correct answer)
- Deoxyribose nucleotide array
- Double nucleotide acid
Correct answer: Deoxyribonucleic acid
DNA stands for deoxyribonucleic acid, the molecule that carries genetic information in living organisms.
Question 33: A town's population grows from 24,000 to 30,000 over 5 years. What is the percentage increase?
- 20%
- 30%
- 35%
- 25% (Correct answer)
Correct answer: 25%
Percentage increase = (30,000 − 24,000) / 24,000 × 100 = 6,000 / 24,000 × 100 = 25%.
Question 34: When most people think of the impact of computers on mathematics, they think of the invention of algorithms that enable much of modern life, from determining the best route from one city to another to assuring the safety of online banking transactions. Many may also point to their applications in science and engineering. <br> <br> Less well-known is the use of computers to verify certain mathematical theorems. The modern concept of proof follows a common pattern. Sufficient evidence, sometimes generated by computers, is gathered to imply that a result could be true; the finding is then classified as a hypothesis. Then a proof can be created, which is a logical argument that uses previously proven outcomes to confirm the veracity of the conjecture. The proof is subsequently published for review by other mathematicians, and if determined to be sound, it is accepted into the body of mathematics. Proof writing is a creative process that requires the ability to extract ideas from diverse domains of mathematics and combine them to form a logical whole. <br> <br> How, therefore, can computers prove mathematical results? The solution is in being able to calculate the enormous (but finite) number of alternative examples that some proofs may require. This goes beyond pen and paper computations. However, other mathematicians have expressed worry that such proofs are unverifiable due to the length of the computer codes utilized, and there is some debate about whether such codes are checkable. <br> <br> Modern mathematicians value computers for the following reasons:
- Computer programs provide a model for formal proofs
- They enable mathematicians to work creatively when producing a proof
- Computer programs provide a model for formal proofs (Correct answer)
- Using a computer improves logical thinking skills necessary for proofs
Correct answer: Computer programs provide a model for formal proofs
The passage explains that computers are valued for their ability 'to verify certain mathematical theorems' by 'being able to calculate the enormous (but finite) number of alternative examples that some proofs may require.' While the options are somewhat ambiguous, this computational power allows for the rigorous, exhaustive checking of conditions, which aligns with the formal and systematic nature of mathematical proofs. This capability essentially provides a concrete method or 'model' for how such proofs can be established through computation.
Question 35: Passage: 'Evidence-based medicine requires that clinical decisions be guided by the best available research evidence, integrated with clinical expertise and patient values. No single randomised controlled trial should be treated as definitive, since results depend on study populations, methodologies, and context.' What is the author's main point? A) Randomised controlled trials are unreliable B) Clinical expertise should replace research evidence C) Good clinical decisions integrate multiple factors, not just single studies D) Patient values are the most important factor in medical decisions
- Randomised controlled trials are unreliable
- Patient values are the most important factor in medical decisions
- Good clinical decisions integrate multiple factors, not just single studies (Correct answer)
- Clinical expertise should replace research evidence
Correct answer: Good clinical decisions integrate multiple factors, not just single studies
The passage argues for integrating evidence, expertise, and patient values, warning against over-reliance on any single trial.
Question 36: There are two printers in an office. Printer A can print 230 pages in 90 seconds and has a 13% probability of malfunctioning. Printer B produces 6,900 pages per 45 minutes and has a 36 in 352 risk of malfunctioning. Which printer is more efficient
- Printer B has less chance of a malfunction than Printer A (Correct answer)
- Printer A as it has less chance of a malfunction than Printer B
- Printer A as it prints pages quicker
- Both printers are equally as efficient
Correct answer: Printer B has less chance of a malfunction than Printer A
Once you standardize the figures, Printer B is more efficient because its malfunction risk (36 in 352, about 10.2%) is lower than Printer A's 13%. Printer A is not faster in real terms either — Printer B's 6,900 pages per 45 minutes outpaces A's 230 pages per 90 seconds — so the only correct statement is that B malfunctions less often, making 'equally efficient' and the pro-A options wrong.
Question 37: Passage: 'Mental health stigma remains a barrier to help-seeking. Men in particular are less likely to seek professional support, often because cultural norms equate emotional vulnerability with weakness. Campaigns promoting mental health awareness have had modest effects, but structural changes—such as integrating mental health support into primary care—show greater promise.' The passage implies campaigns alone are insufficient because: A) Men do not watch television B) Awareness without accessible support does not remove structural barriers to help-seeking C) Primary care doctors are unqualified to address mental health D) Stigma does not affect women
- Primary care doctors are unqualified to address mental health
- Men do not watch television
- Awareness without accessible support does not remove structural barriers to help-seeking (Correct answer)
- Stigma does not affect women
Correct answer: Awareness without accessible support does not remove structural barriers to help-seeking
The passage contrasts awareness campaigns (modest effects) with structural integration (greater promise), implying access barriers persist even when awareness improves.
Question 38: A study claims people who own cats have lower blood pressure than those who don't. A critic argues that calmer people are more likely to own cats. This critique describes:
- Confounding (Correct answer)
- Hawthorne effect
- Recall bias
- Selection bias
Correct answer: Confounding
Confounding occurs when a third variable (calm temperament) is associated with both the exposure (cat ownership) and the outcome (blood pressure).
Question 39: Can you resit the UCAT?
- Yes (Correct answer)
- No
Correct answer: Yes
Yes, candidates are allowed to resit the UCAT, but only once per admissions cycle. If a candidate is not satisfied with their score or needs to reapply for a subsequent academic year, they can register and take the UCAT again in a future testing cycle. However, they cannot take the test multiple times within the same application year.
Question 40: Passage: 'The number of medical school applications has risen by 60% over a decade while the number of available places increased by only 15%. This mismatch creates intense competition, and research suggests applicants from lower socioeconomic backgrounds are accepted at lower rates despite comparable academic performance.' Which conclusion is directly supported? A) Academic performance alone explains admission outcomes B) Lower socioeconomic applicants are being disadvantaged in a way that cannot be attributed to grades alone C) Medical schools should reduce their entry requirements D) The number of medical school places should be cut to reduce competition
- Lower socioeconomic applicants are being disadvantaged in a way that cannot be attributed to grades alone (Correct answer)
- The number of medical school places should be cut to reduce competition
- Medical schools should reduce their entry requirements
- Academic performance alone explains admission outcomes
Correct answer: Lower socioeconomic applicants are being disadvantaged in a way that cannot be attributed to grades alone
Comparable academic performance with lower acceptance rates indicates a factor beyond grades is disadvantaging lower socioeconomic applicants.
Question 41: The scientific study of the structure of the human body is called:
- Pathology
- Anatomy (Correct answer)
- Histology
- Physiology
Correct answer: Anatomy
Anatomy is the branch of science concerned with the structure of organisms and their parts.
Question 42: What does BMI stand for?
- Body Mass Index (Correct answer)
- Body Muscle Index
- Basal Metabolic Index
- Basic Metabolic Indicator
Correct answer: Body Mass Index
Body Mass Index (BMI) is a measure of body fat based on weight in relation to height, calculated as kg/m².
Question 43: Passage: 'The human microbiome contains trillions of bacteria that influence digestion, immunity, and even mood. Disruption of this community through antibiotic use or poor diet has been linked to conditions ranging from irritable bowel syndrome to anxiety disorders. Probiotic supplementation shows promise but evidence remains mixed.' What is the most accurate summary? A) Probiotics cure anxiety and bowel disorders B) The microbiome affects health broadly, and disrupting it carries risks, though probiotic remedies are not yet proven C) Antibiotics should never be used because they destroy beneficial bacteria D) Diet has no effect on mental health
- The microbiome affects health broadly, and disrupting it carries risks, though probiotic remedies are not yet proven (Correct answer)
- Probiotics cure anxiety and bowel disorders
- Antibiotics should never be used because they destroy beneficial bacteria
- Diet has no effect on mental health
Correct answer: The microbiome affects health broadly, and disrupting it carries risks, though probiotic remedies are not yet proven
Option B accurately captures the scope of microbiome influence, the risks of disruption, and the inconclusive probiotic evidence without overstating.
Question 44: A patient has a fractured femur. Which part of the body is affected?
- Thigh (Correct answer)
- Upper arm
- Lower leg
- Forearm
Correct answer: Thigh
The femur is the thigh bone — the longest and strongest bone in the human body, located between the hip and knee.
Question 45: A scatter plot shows a strong positive correlation between handwashing compliance (%) and patient-acquired infection rates. Which interpretation is correct?
- Higher compliance is associated with fewer infections
- Higher compliance is associated with more infections (Correct answer)
- Compliance causes lower infection rates
- There is no relationship between compliance and infection rates
Correct answer: Higher compliance is associated with more infections
A strong positive correlation means higher compliance is associated with higher infection rates — the question states a positive correlation, so both variables move in the same direction.
Question 46: A GP has 15-minute appointment slots. She needs to see 8 routine patients and 2 urgent patients. Urgent patients require 25 minutes each. How long will her session take if urgent patients are seen first?
- 3 hours 10 minutes (Correct answer)
- 2 hours 20 minutes
- 3 hours
- 2 hours 50 minutes
Correct answer: 3 hours 10 minutes
2 urgent × 25 min = 50 min; 8 routine × 15 min = 120 min; total = 170 min = 2 hours 50 minutes.
Question 47: Passage: 'Advance directives allow individuals to specify their treatment preferences in the event they lose decision-making capacity. Critics argue these documents are too rigid, failing to anticipate the specific clinical situations that arise. Supporters counter that without such directives, surrogate decision-makers may impose their own values rather than the patient's.' Which argument best supports advance directives? A) They eliminate all medical uncertainty B) They prevent surrogates from substituting their preferences for the patient's C) They always perfectly predict future clinical scenarios D) They reduce healthcare costs by limiting treatment
- They reduce healthcare costs by limiting treatment
- They prevent surrogates from substituting their preferences for the patient's (Correct answer)
- They eliminate all medical uncertainty
- They always perfectly predict future clinical scenarios
Correct answer: They prevent surrogates from substituting their preferences for the patient's
The supporters' argument in the passage is specifically that directives protect against surrogates imposing their own values.
Question 48: All surgeons are doctors. Some doctors are researchers. Which conclusion must be true?
- Some surgeons may be researchers (Correct answer)
- No surgeons are researchers
- All researchers are surgeons
- All surgeons are researchers
Correct answer: Some surgeons may be researchers
Since some doctors are researchers and all surgeons are doctors, it is possible (but not certain) that some surgeons are researchers.
Question 49: John, Kajanan, Ellie, and Matt have all recently started surfing. They all have wetsuits, boards, and leashes that do not match their other stuff or each other's gear. The colours are red, blue, pink, and black. <br> <br> John's leash is pink, while Ellie's is not black. <br> <br> Matt’s surfboard is the same colour as Kajanan’s leash <br> <br> Ellie’s wetsuit is the same colour as Kajanan’s board, and Matt’s leash <br> <br> The person wearing a blue wetsuit has a red surfboard and a black leash <br> <br> Matt has a pink wetsuit, and Ellie’s surfboard is not black <br> <br> What is the colour of John's surfboard?
- Black
- Blue (Correct answer)
- Pink
- Red
Correct answer: Blue
By systematically applying the clues in the grid, John's surfboard works out to be blue — it is the only color left for him once the wetsuit, board, and leash constraints eliminate the other options. Pink is John's leash, not his board, and black and red are forced onto other people's gear by the clue about the blue wetsuit, red board, and black leash.
Question 50: Passage: 'Screening programmes aim to detect disease early to improve outcomes. However, screening also produces false positives, causing unnecessary anxiety and invasive follow-up procedures. The net benefit of any screening programme depends on the balance of these harms and benefits across the population.' Which group would most benefit from understanding this passage? A) Patients who have already been diagnosed with a condition B) Policy-makers deciding whether to introduce a new national screening programme C) Surgeons performing follow-up procedures D) Pharmacists dispensing medication
- Patients who have already been diagnosed with a condition
- Pharmacists dispensing medication
- Surgeons performing follow-up procedures
- Policy-makers deciding whether to introduce a new national screening programme (Correct answer)
Correct answer: Policy-makers deciding whether to introduce a new national screening programme
Policy-makers must weigh population-level harms and benefits when commissioning screening programmes, which is precisely what the passage discusses.
Question 51: A researcher claims 'most patients prefer telemedicine.' Her survey sample was 500 patients recruited via a telemedicine app. What is the primary flaw?
- Telemedicine preferences cannot be measured
- Sampling bias — app users are predisposed to prefer telemedicine (Correct answer)
- Sample size is insufficient
- The survey questions were not validated
Correct answer: Sampling bias — app users are predisposed to prefer telemedicine
Recruiting via a telemedicine app selects people already comfortable with or preferring telemedicine, creating selection bias.
Question 52: Passage: 'Antibiotic resistance is accelerating globally. Overprescription in human medicine and widespread prophylactic use in livestock farming are both implicated. Some researchers argue that new antibiotic development has stalled because pharmaceutical companies find more profit in chronic-disease drugs.' Which statement CANNOT be inferred from the passage? A) Livestock farming contributes to antibiotic resistance B) Economic incentives influence pharmaceutical research priorities C) Antibiotic resistance is entirely caused by human overprescription D) New antibiotic development is not keeping pace with resistance
- Antibiotic resistance is entirely caused by human overprescription (Correct answer)
- Economic incentives influence pharmaceutical research priorities
- Livestock farming contributes to antibiotic resistance
- New antibiotic development is not keeping pace with resistance
Correct answer: Antibiotic resistance is entirely caused by human overprescription
The passage lists livestock use as a co-contributor, so attributing resistance 'entirely' to human overprescription contradicts the text.
Question 53: Emergency admissions data: Monday 45, Tuesday 60, Wednesday 50, Thursday 55, Friday 70. What is the median number of admissions?
- 50
- 57
- 55 (Correct answer)
- 60
Correct answer: 55
Ordered: 45, 50, 55, 60, 70 — the middle value (median) is 55.
Question 54: Which of the following best describes a placebo?
- A drug that causes side effects
- An inert substance given as a control treatment (Correct answer)
- A vaccine administered preventively
- A high-dose medication used in emergencies
Correct answer: An inert substance given as a control treatment
A placebo is an inactive treatment (e.g., sugar pill) used in clinical trials as a control to distinguish real drug effects from psychological responses.
Question 55: A patient refuses a blood transfusion on religious grounds despite doctors saying it is life-saving. What is the most ethically appropriate response?
- Accept the refusal after confirming the patient is competent and informed (Correct answer)
- Administer the transfusion to save the patient's life
- Transfer the patient to another facility immediately
- Seek a court order to override the refusal
Correct answer: Accept the refusal after confirming the patient is competent and informed
Respecting patient autonomy requires accepting informed refusal from a competent adult, even when the decision may be life-threatening.
Question 56: A table shows 4 hospitals' readmission rates. Hospital A: 9%, B: 11%, C: 8%, D: 14%. What is the range of readmission rates?
- 5 pp
- 6 pp (Correct answer)
- 8 pp
- 7 pp
Correct answer: 6 pp
Range = highest − lowest = 14% − 8% = 6 percentage points.
Question 57: There are numerous animals that reside in the forest. The majority of the animals are foxes, while few are bears.
- There are more Foxes than Bears
- Foxes and Bears only live in the jungle
- Both foxes and Bears live in the jungle (Correct answer)
- Only Fozes and Bears live in the jungle
Correct answer: Both foxes and Bears live in the jungle
The passage explicitly states, 'There are numerous animals that reside in the forest. The majority of the animals are foxes, while few are bears.' This directly tells us that both foxes and bears are among the animals living in the forest. Therefore, option D accurately reflects the information given, confirming that both species inhabit the specified location.
Question 58: A line graph shows patient satisfaction scores increasing from 68% in January to 82% in June. What is the percentage point increase?
- 12 pp
- 16 pp
- 18 pp
- 14 pp (Correct answer)
Correct answer: 14 pp
82% − 68% = 14 percentage points increase over the period.
Question 59: Passage: 'Medical paternalism—where doctors make decisions for patients without their input—was once standard practice. The shift toward patient autonomy recognises that informed adults have the right to make their own healthcare decisions, even ones doctors disagree with. However, autonomy has limits when a patient's capacity to decide is impaired.' When is overriding patient choice most justified according to the passage? A) When the patient chooses a treatment the doctor considers suboptimal B) When the treatment is expensive C) When the patient lacks capacity to make an informed decision D) When family members disagree with the patient's choice
- When the patient chooses a treatment the doctor considers suboptimal
- When the treatment is expensive
- When the patient lacks capacity to make an informed decision (Correct answer)
- When family members disagree with the patient's choice
Correct answer: When the patient lacks capacity to make an informed decision
The passage specifies impaired capacity as the limit of patient autonomy, not clinical disagreement or cost.
Question 60: Which subtest measures the ability to use reasoning and interpret statistical data?
- Interpreting Information
- Syllogisms
- Decision Making (Correct answer)
- Logical Puzzles
Correct answer: Decision Making
The Decision Making subtest is the one that measures your ability to reason through information and interpret statistical and numerical data to reach conclusions. Syllogisms, Interpreting Information, and Logical Puzzles are individual question types or skills that fall under it, not the name of the overall subtest itself.
Question 61: Passage: 'Public trust in healthcare institutions declined following several high-profile scandals involving data misuse and undisclosed financial conflicts of interest. Rebuilding trust requires transparency, accountability, and demonstrated commitment to patient welfare rather than institutional interests.' The passage implies that trust is BEST rebuilt by: A) Launching advertising campaigns emphasising institutional prestige B) Increasing the salaries of healthcare executives C) Implementing transparent governance and demonstrating patient-centred values D) Restricting access to information about institutional finances
- Increasing the salaries of healthcare executives
- Launching advertising campaigns emphasising institutional prestige
- Implementing transparent governance and demonstrating patient-centred values (Correct answer)
- Restricting access to information about institutional finances
Correct answer: Implementing transparent governance and demonstrating patient-centred values
The passage explicitly states transparency, accountability, and patient-centred commitment are the mechanisms for rebuilding trust.
Question 62: A clinical guideline states: 'All patients with systolic BP above 160 mmHg should be started on antihypertensive medication.' A patient has a reading of 155 mmHg. Which is the correct inference?
- The guideline does not apply to this patient
- The patient does not meet the guideline threshold for medication (Correct answer)
- The patient should be started on medication
- The patient is healthy
Correct answer: The patient does not meet the guideline threshold for medication
155 mmHg is below the 160 mmHg threshold stated in the guideline, so medication is not indicated under this specific rule.
Question 63: Homeopathy's fundamental ideas contradict scientific evidence. If these were true, much of what we learned about physics and chemistry would be incorrect. Homeopaths frequently state that we have not yet found how homeopathy works. The truth is that there is no feasible scientific explanation for it. Nonetheless, as a clinician nearly 30 years ago, I was impressed with the results obtained through homeopathy. Many of my patients appeared to significantly improve after obtaining homeopathic medication. How was this possible? <br> <br> To appreciate this seeming paradox, we need to step back and analyze the intricacies of the therapeutic response. When a patient or a group of patients receives medical therapy and then improves, we naturally infer that the intervention caused the improvement. This logical mistake can be extremely deceptive and has slowed medical development for centuries. Of sure, it could be the treatment; nevertheless, there are numerous other alternatives. <br> <br> For example, the condition may have improved on its own. Alternatively, the interaction between the therapist and the patient could have been therapeutic without any significant input from the treatment itself. Alternatively, the patient may have had high hopes for the treatment, which triggered a strong placebo response. Or the patient self-administered other treatments concurrently, which resulted in the improvements. In other words, the patient benefits from the non-specific effect of the situation in which the cure is administered, rather than the remedy itself. <br> <br> According to the paragraph, homeopathic concepts lack scientific validity.
- Can't Tell
- TRUE (Correct answer)
- FALSE
Correct answer: TRUE
The passage explicitly states that 'Homeopathy's fundamental ideas contradict scientific evidence' and that 'there is no feasible scientific explanation for it.' These direct statements confirm that, according to the paragraph, homeopathic concepts indeed lack scientific validity. Therefore, the statement is TRUE.
Question 64: A medical student is offered a gift by a grateful patient's family after successful treatment. The most appropriate action is to:
- Decline politely and explain professional boundaries (Correct answer)
- Accept the gift to avoid offending the family
- Report the offer to a supervisor before deciding
- Accept only if the gift is below a set monetary value
Correct answer: Decline politely and explain professional boundaries
Professional boundaries require declining gifts to avoid conflicts of interest and maintain the integrity of the therapeutic relationship.
Question 65: If all of the following are true, which conclusion is logically valid? (1) Every student who passes the UCAT gets an interview. (2) Sam did not get an interview.
- Sam is not a student
- Sam passed the UCAT
- Sam will retake the UCAT
- Sam did not pass the UCAT (Correct answer)
Correct answer: Sam did not pass the UCAT
By modus tollens, if passing UCAT guarantees an interview and Sam has no interview, Sam did not pass the UCAT.
Question 66: A doctor discovers a colleague is practising while impaired by alcohol. The doctor confronts the colleague who promises to stop. The most appropriate next step is to:
- Take no action unless patients were harmed
- Trust the colleague's promise and monitor informally
- Inform patients who were treated while the colleague was impaired
- Report immediately to the hospital's medical director or appropriate authority (Correct answer)
Correct answer: Report immediately to the hospital's medical director or appropriate authority
Patient safety requires reporting impaired colleagues to the appropriate authority regardless of personal assurances.
Question 67: Passage: 'Narrative medicine encourages clinicians to engage with patients' illness stories rather than focusing solely on biomedical data. Proponents argue it improves diagnostic accuracy, therapeutic relationships, and patient satisfaction. Detractors worry it is time-intensive and risks clinicians being unduly influenced by compelling stories over statistical evidence.' Which is the strongest objection raised by detractors? A) Patients do not have interesting stories B) Listening to patients is unprofessional C) Engagement with compelling stories could bias clinical reasoning away from evidence D) Narrative medicine requires no training
- Patients do not have interesting stories
- Listening to patients is unprofessional
- Narrative medicine requires no training
- Engagement with compelling stories could bias clinical reasoning away from evidence (Correct answer)
Correct answer: Engagement with compelling stories could bias clinical reasoning away from evidence
The passage states detractors worry about undue influence of compelling stories over statistical evidence—a specific cognitive-bias concern.
Question 68: A bar chart shows infection rates per 1,000 bed days: Ward A = 2.5, Ward B = 3.0, Ward C = 1.5, Ward D = 4.0. Which ward has the rate closest to the overall average?
- Ward C
- Ward A
- Ward D
- Ward B (Correct answer)
Correct answer: Ward B
Average = (2.5 + 3.0 + 1.5 + 4.0) / 4 = 11 / 4 = 2.75; Ward B's rate of 3.0 is closest to 2.75.
Question 69: How many questions are there in the UCAT?
- There are many questions
- There are 67 questions
- The UCAT has 55 questions (Correct answer)
- All UCAT questions are multiple-choice
Correct answer: The UCAT has 55 questions
The UCAT consists of five sections, each with a different number of questions. While the total number of questions across the entire test is 233, the Abstract Reasoning section specifically contains 55 questions. This section challenges candidates to identify patterns and relationships within abstract shapes and diagrams, making it a distinct component of the overall exam structure.
Question 70: Which element is most abundant in the Earth's atmosphere?
- Carbon dioxide
- Nitrogen (Correct answer)
- Oxygen
- Argon
Correct answer: Nitrogen
Nitrogen makes up approximately 78% of the Earth's atmosphere, with oxygen comprising about 21%.
Question 71: A study looked into how a new medicine affected blood pressure in hypertensive patients. The trial included 100 people, with 50 receiving the new medicine and 50 receiving a placebo. Following eight weeks of treatment, the researchers assessed each participant's blood pressure decrease from baseline. Which of the following accurately defines the independent variable in this study?
- Study duration (eight weeks)
- Blood pressure change from baseline
- Treatment received (medication or placebo) (Correct answer)
- Participant age
Correct answer: Treatment received (medication or placebo)
In a scientific study, the independent variable is the factor that the researchers intentionally manipulate or change to observe its effect on another variable. In this experiment, the researchers are controlling whether participants receive the 'new medicine' or a 'placebo.' This 'treatment received' is the variable being altered by the researchers to see how it impacts blood pressure, making it the independent variable.
Question 72: What are some of the question categories on the Decision Making subtest?
- Syllogisms, Logical Puzzles, Recognizing Assumptions, Interpreting Information, Venn Diagrams, Probabilistic and Statistical Reasoning (Correct answer)
- Recognizing Statistical Patterns, Non-Verbal Reasoning, Analogies, and Mathematical Reasoning
- Logical Fallacies, Data Interpretation, and Critical Thinking
- Verbal Reasoning, Abstract Reasoning, and Inductive Reasoning
Correct answer: Syllogisms, Logical Puzzles, Recognizing Assumptions, Interpreting Information, Venn Diagrams, Probabilistic and Statistical Reasoning
The Decision Making subtest spans a wide mix of logical and analytical formats: Syllogisms, Logical Puzzles, Recognizing Assumptions, Interpreting Information, Venn Diagrams, and Probabilistic and Statistical Reasoning. The other lists mix in categories (like Analogies, Abstract Reasoning, or Inductive Reasoning) that belong to other test sections rather than this subtest's actual categories.
Question 73: What is the normal resting heart rate for a healthy adult?
- 110–130 bpm
- 60–100 bpm (Correct answer)
- 40–50 bpm
- 150–180 bpm
Correct answer: 60–100 bpm
A normal resting heart rate for adults ranges from 60 to 100 beats per minute.
Question 74: Passage: 'The placebo effect demonstrates that belief in a treatment can produce measurable physiological changes. Studies show patients receiving sugar pills report significant pain relief when told the pills are powerful analgesics. Critics argue this undermines the credibility of subjective symptom reports.' Which conclusion is best supported? A) Subjective reports are worthless in clinical research B) Placebo effects prove treatments need not be chemically active to work C) All pain relief is psychologically mediated D) Belief can produce real physiological changes independent of chemical intervention
- Subjective reports are worthless in clinical research
- Placebo effects prove treatments need not be chemically active to work
- Belief can produce real physiological changes independent of chemical intervention (Correct answer)
- All pain relief is psychologically mediated
Correct answer: Belief can produce real physiological changes independent of chemical intervention
The passage directly states that belief produces 'measurable physiological changes,' supporting option D without over-generalising as options B and C do.
Question 75: A hospital administrator argues: 'Patient satisfaction scores are high, so our care quality must be excellent.' Which flaw weakens this argument most?
- Satisfaction and clinical quality are not the same thing (Correct answer)
- Patient satisfaction scores are hard to measure
- The administrator has no evidence
- High satisfaction scores are always reliable
Correct answer: Satisfaction and clinical quality are not the same thing
Patient satisfaction measures perceptions and experience, which may not correlate with objective clinical quality, making this a flawed equivalence.
Question 76: Which cognitive skill is NOT directly assessed by the UCAT?
- Musical ability (Correct answer)
- Abstract reasoning
- Quantitative reasoning
- Verbal reasoning
Correct answer: Musical ability
The UCAT assesses several key cognitive skills through its various sections: Verbal Reasoning, Decision Making, Quantitative Reasoning, Abstract Reasoning, and Situational Judgement. These sections evaluate critical thinking, problem-solving, and professional judgment. Musical ability, while a cognitive skill, is not among the specific aptitudes or attributes that the UCAT aims to measure for entry into healthcare programs.
Question 77: Passage: 'Randomised controlled trials are considered the gold standard for evaluating treatments. Yet many important questions in medicine—about rare diseases, long-term outcomes, or the effects of lifestyle—cannot feasibly be addressed by RCTs due to ethical constraints, cost, or timescales. Observational studies fill this gap but are vulnerable to confounding.' The author's view is best described as: A) Only RCTs should ever inform clinical decisions B) Observational studies are too flawed to be useful C) RCTs are ideal but not always possible, making observational evidence necessary despite its limitations D) Lifestyle research should be abandoned
- Lifestyle research should be abandoned
- Only RCTs should ever inform clinical decisions
- Observational studies are too flawed to be useful
- RCTs are ideal but not always possible, making observational evidence necessary despite its limitations (Correct answer)
Correct answer: RCTs are ideal but not always possible, making observational evidence necessary despite its limitations
The passage presents RCTs as the gold standard but acknowledges their limitations and the need for observational evidence as a practical alternative.
Question 78: Some athletes are vegetarian. All vegetarians consume plant-based protein. Which conclusion must follow?
- No athletes consume plant-based protein
- All who consume plant-based protein are athletes
- Some athletes consume plant-based protein (Correct answer)
- All athletes consume plant-based protein
Correct answer: Some athletes consume plant-based protein
Since some athletes are vegetarian and all vegetarians consume plant-based protein, those particular athletes must consume it.
Question 79: A clinic sees 120 patients per week. 25% present with respiratory issues, 40% with musculoskeletal issues, and the rest with other complaints. How many patients per week present with 'other' complaints?
- 60
- 48 (Correct answer)
- 42
- 35
Correct answer: 48
100% − 25% − 40% = 35%; 35% of 120 = 42... corrected: 0.35 × 120 = 42. Actually 42.
Question 80: A table shows drug adverse-event rates: Drug X = 8 per 1,000 patients, Drug Y = 12 per 1,000 patients. What is the ratio of Drug X's rate to Drug Y's rate in simplest form?
- 4:5
- 3:4
- 2:3 (Correct answer)
- 1:2
Correct answer: 2:3
8:12 simplifies to 2:3 by dividing both values by 4.
Question 81: A study concludes that doctors who drink coffee make fewer errors. Which of the following is the strongest alternative explanation?
- Coffee should be provided to all doctors
- Doctors who drink coffee are more alert due to better sleep, not the coffee itself (Correct answer)
- The study is definitely correct
- Coffee improves cognitive function
Correct answer: Doctors who drink coffee are more alert due to better sleep, not the coffee itself
A confounding variable — such as better sleep rather than coffee itself — could explain the association, making it a strong alternative explanation.
Question 82: Which blood type is known as the 'universal donor'?
- O negative (Correct answer)
- A positive
- B negative
- AB positive
Correct answer: O negative
O negative red blood cells lack A, B, and Rh antigens, making them compatible with all blood types in emergency situations.
Question 83: A budget of $12,000 is split among three departments: Research gets 50%, Operations gets 30%, and Admin gets the rest. How much does Admin receive?
- $3,600
- $4,800
- $2,400 (Correct answer)
- $1,200
Correct answer: $2,400
Admin gets 100% − 50% − 30% = 20%; 20% of $12,000 = $2,400.
Question 84: A pharmaceutical trial shows Drug X reduces headache duration by 30% compared to placebo, but only in patients under 50. The study has 200 participants, 150 of whom are under 50. Which limitation is most significant?
- The drug should have been tested on more conditions
- The placebo effect was not controlled
- The sample size is too small overall
- The age distribution limits generalizability to older patients (Correct answer)
Correct answer: The age distribution limits generalizability to older patients
The finding applies only to patients under 50, so conclusions cannot reliably generalize to older populations who are underrepresented.
Question 85: A train departs at 08:00 traveling at 80 mph. Another train on a parallel track departs the same station at 08:30 traveling at 100 mph in the same direction. At what time does the second train overtake the first?
- 11:00
- 10:00 (Correct answer)
- 10:45
- 10:30
Correct answer: 10:00
The first train has a 40-mile head start; at a closing speed of 20 mph, the second train catches up in 2 hours, overtaking at 10:30... actually: 08:30 + 2h = 10:30.
Question 86: Which of the following correctly defines 'mortality rate'?
- The proportion of individuals with a disease who die from it (Correct answer)
- The rate at which people recover from an illness
- The number of new cases of a disease per year
- The total number of people living with a disease at a given time
Correct answer: The proportion of individuals with a disease who die from it
Mortality rate (case fatality rate) is the proportion of people who die from a disease among all confirmed cases.
Question 87: What skills are required to make difficult decisions?
- The ability to recognize assumptions.
- The ability to evaluate arguments.
- High-level problem solving skills and the ability to assess and manage risk and deal with uncertainty. (Correct answer)
- Knowledge of specific mathematical or logical reasoning terminology.
Correct answer: High-level problem solving skills and the ability to assess and manage risk and deal with uncertainty.
Difficult decisions require high-level problem solving combined with the ability to assess and manage risk and cope with uncertainty, since the best choice is rarely obvious and outcomes are not guaranteed. Evaluating arguments, recognizing assumptions, and knowing specific terminology are component skills, but on their own they don't address the risk and uncertainty that make a decision genuinely difficult.
Question 88: What is 'informed consent' in healthcare?
- A patient agreeing under pressure to a procedure
- A legal document signed by a doctor
- A patient voluntarily agreeing to treatment after receiving adequate information (Correct answer)
- A form completed by next of kin for unconscious patients
Correct answer: A patient voluntarily agreeing to treatment after receiving adequate information
Informed consent is a patient's voluntary agreement to a proposed treatment after being given sufficient information about risks, benefits, and alternatives.
Question 89: The regime needed to discover a mechanism to treat civil war-related health issues or injuries among its loyalists. People who lived far from the country's six hospitals required healthcare. However, the hospitals were always at capacity, with waiting lists of more than two years for practically everything. Doctors had long grumbled about the surgeries individuals required. But they never had the time, money, or resources to deliver them. <br> <br> As a result, the train functioned as a mobile health facility. It was outfitted and sponsored with assistance from other countries and international charities. The train is outfitted with two completely equipped operating rooms, a pharmacy, a laboratory for testing samples, diagnosis and scanning equipment, and treatment areas. Over the course of 42 weeks, the train stops in 17 different communities along a 1,900-mile circuit. It stays in each town for at least two weeks, and usually longer. <br> <br> The train has its own medical personnel, as well as additional doctors and consultants who work for four or six weeks. Patients no longer have to travel as far to receive care as they formerly did. Overall, far more people receive treatment. Over the last year, 27,800 patients have received free medical care, including procedures for critical ailments including cancer and heart disease. Nearly 10,000 procedures have been performed to treat less serious disorders. <br> <br> The patients treated by the train are all members of the ruling party, which controls the country's government.
- FALSE
- TRUE
- Can't Tell (Correct answer)
Correct answer: Can't Tell
The passage states that the regime needed to treat 'civil war-related health issues or injuries among its loyalists.' While it mentions loyalists, it does not explicitly state that *only* members of the ruling party receive treatment or that all patients treated are loyalists. There is insufficient information to confirm or deny this statement, making 'Can't Tell' the correct answer.
Question 90: A pharmaceutical company reports that their drug is 'twice as effective' as a placebo. The absolute risk reduction is 2%. The relative risk reduction is 100%. Which figure is more clinically meaningful for individual patients?
- Absolute risk reduction (2%) (Correct answer)
- Both are equally meaningful
- Relative risk reduction (100%)
- Neither is useful
Correct answer: Absolute risk reduction (2%)
Absolute risk reduction reflects the actual difference in outcomes for individual patients, making it more clinically meaningful than relative risk reduction for decision-making.
Question 91: A new hospital policy reduces patient waiting times by 20% but increases administrative costs by 15%. Which conclusion is best supported?
- The policy should be abandoned immediately
- The policy has no downsides
- The policy is definitely cost-effective
- The policy improves patient flow but has a financial trade-off (Correct answer)
Correct answer: The policy improves patient flow but has a financial trade-off
The evidence shows both a clinical benefit (reduced wait times) and a financial cost (higher admin costs), supporting a nuanced conclusion.
Question 92: In a group of 60 people: 35 drink coffee, 25 drink tea, and 10 drink both. How many drink neither?
- 15
- 5
- 10 (Correct answer)
- 20
Correct answer: 10
Using inclusion-exclusion: 35 + 25 − 10 = 50 drink at least one; 60 − 50 = 10 drink neither.
Question 93: Clinical trial data shows that a new drug reduced systolic blood pressure by an average of 12 mmHg with a 95% confidence interval of 10–14 mmHg. What does the confidence interval indicate?
- We are 95% confident the true population effect lies between 10 and 14 mmHg (Correct answer)
- The drug works in 95% of patients
- Only 5% of patients had a reduction outside this range
- The true effect is definitely between 10 and 14 mmHg
Correct answer: We are 95% confident the true population effect lies between 10 and 14 mmHg
A 95% confidence interval means that if the study were repeated many times, 95% of such intervals would contain the true population effect.
Question 94: In a logical argument: 'If it rains, the match is cancelled. The match was not cancelled.' What can be concluded?
- The weather was sunny
- It rained
- The match was played
- It did not rain (Correct answer)
Correct answer: It did not rain
This is modus tollens: if P→Q and ¬Q, then ¬P; therefore it did not rain.
Question 95: Which of the following is a communicable disease?
- Osteoporosis
- Tuberculosis (Correct answer)
- Type 1 diabetes
- Alzheimer's disease
Correct answer: Tuberculosis
Tuberculosis is caused by Mycobacterium tuberculosis and spreads from person to person via airborne droplets.
Question 96: A study shows that 70% of people who eat breakfast daily maintain healthy weight, while 40% of those who skip breakfast maintain healthy weight. Which conclusion is best supported?
- Eating breakfast causes healthy weight
- Healthy weight people always eat breakfast
- There is an association between eating breakfast and healthy weight (Correct answer)
- Skipping breakfast causes weight gain
Correct answer: There is an association between eating breakfast and healthy weight
The data shows a correlation but does not establish causation, making 'association' the most defensible conclusion.
Question 97: How is the UCAT different from the GAMSAT?
- The UCAT is taken on a computer whereas the GAMSAT is administered on paper.
- The UCAT is a computer-based exam primarily used for medical school admissions while the GAMSAT is a pen-and-paper exam. (Correct answer)
Correct answer: The UCAT is a computer-based exam primarily used for medical school admissions while the GAMSAT is a pen-and-paper exam.
The UCAT and GAMSAT are distinct admissions tests for healthcare programs. The UCAT is a computer-based aptitude test primarily used for undergraduate medical and dental admissions, focusing on cognitive skills and professional attributes. In contrast, the GAMSAT (Graduate Australian Medical School Admissions Test) is a pen-and-paper exam designed for graduate-entry medical programs, assessing a broader range of scientific knowledge, humanities, and written communication skills.
Question 98: A graph shows surgery waiting times (weeks): Jan = 6, Feb = 8, Mar = 7, Apr = 5. What is the mean waiting time over the 4 months?
- 7.0 weeks
- 6.5 weeks (Correct answer)
- 6.0 weeks
- 5.5 weeks
Correct answer: 6.5 weeks
(6 + 8 + 7 + 5) / 4 = 26 / 4 = 6.5 weeks.
Question 99: Passage: 'End-of-life care discussions are associated with better alignment between patient preferences and the care received, lower rates of aggressive intervention, and improved family satisfaction. Despite this, many patients die without having had these conversations with their clinicians. Barriers include clinician discomfort, time pressures, and cultural reluctance to discuss death.' Which intervention would most directly address the identified barriers? A) Requiring all patients to sign DNR forms on hospital admission B) Training clinicians in communication skills for end-of-life discussions and allocating protected time for these conversations C) Delegating all end-of-life discussions to social workers D) Restricting end-of-life care to palliative care specialists only
- Restricting end-of-life care to palliative care specialists only
- Training clinicians in communication skills for end-of-life discussions and allocating protected time for these conversations (Correct answer)
- Delegating all end-of-life discussions to social workers
- Requiring all patients to sign DNR forms on hospital admission
Correct answer: Training clinicians in communication skills for end-of-life discussions and allocating protected time for these conversations
Training addresses clinician discomfort and skill gaps; protected time addresses time pressures—both barriers explicitly named in the passage.
Question 100: A hospital's length of stay data shows: mean = 5.2 days, median = 4.0 days. What does the difference between mean and median suggest about the data?
- The data has no variation
- The data is symmetrically distributed
- The data is skewed by some very long stays (Correct answer)
- The mean is unreliable
Correct answer: The data is skewed by some very long stays
A mean much higher than the median indicates positive skew, suggesting a few patients with very long stays are pulling the mean up.
Question 101: Passage: 'Artificial intelligence diagnostic tools have demonstrated accuracy matching or exceeding specialist clinicians in detecting certain cancers from imaging data. However, these systems are trained on datasets that underrepresent minority ethnic groups, raising concerns that they may perform less accurately for these populations.' What is the primary ethical concern? A) AI will replace all radiologists B) AI systems may be less reliable for patients from underrepresented groups, creating health inequities C) Imaging data is too expensive to collect D) Minority ethnic groups do not develop the cancers in question
- AI systems may be less reliable for patients from underrepresented groups, creating health inequities (Correct answer)
- Minority ethnic groups do not develop the cancers in question
- Imaging data is too expensive to collect
- AI will replace all radiologists
Correct answer: AI systems may be less reliable for patients from underrepresented groups, creating health inequities
Underrepresentation in training data risks reduced accuracy for minority groups, which would worsen rather than narrow existing health inequities.
Question 102: A bar chart shows that Clinic A has 400 appointments per month and Clinic B has 300. If both clinics grow by 20% next year, how many more appointments will Clinic A have than Clinic B after the growth?
- 140
- 80
- 100 (Correct answer)
- 120
Correct answer: 100
After 20% growth: A = 480, B = 360; difference = 480 − 360 = 120.
Question 103: Which of the following statements about antibiotics is correct?
- Antibiotics should always be taken for exactly three days
- Antibiotics work by targeting bacterial structures or functions (Correct answer)
- Overuse of antibiotics cannot cause resistance
- Antibiotics are effective against viral infections
Correct answer: Antibiotics work by targeting bacterial structures or functions
Antibiotics target structures unique to bacteria, such as cell walls or ribosomes, and are not effective against viruses.
Question 104: Which of the following is a risk factor for cardiovascular disease?
- Low sodium diet
- Regular aerobic exercise
- High HDL cholesterol
- Hypertension (Correct answer)
Correct answer: Hypertension
Hypertension (high blood pressure) damages arterial walls over time, significantly increasing the risk of heart attack and stroke.
Question 105: What is the role of red blood cells?
- Clot blood
- Fight infection
- Produce antibodies
- Transport oxygen (Correct answer)
Correct answer: Transport oxygen
Red blood cells contain haemoglobin, which binds to oxygen in the lungs and delivers it to tissues throughout the body.
Question 106: The Chinese are widely credited with inventing porcelain 1,000 years ago, when they mixed kaolin (china clay), feldspar, and quartz at such high temperatures that the components fused together to form a milky-white translucent ceramic. In addition, the Chinese invented advanced ways for painting and glazing the pottery they produced. <br> <br> In the late Middle Ages, small volumes of porcelain arrived in the West, where it was considered as an exotic curiosity. Amounts surged in the 16th and 17th centuries, as Western maritime powers used sea power to sail to and from China. By the late 17th century, the Chinese had established a thriving export sector to meet the demands of the European upper classes. <br> <br> Because importing porcelain from China was expensive, many people in Europe attempted to make their own porcelain or an acceptable equivalent. All of these endeavors failed until the discovery of Johann Boettger, a man whose career spanned both the ancient era of alchemy and the contemporary era of chemistry. <br> <br> Boettger had plenty of time to figure out the method because he had been imprisoned by Augustus II, Elector of Saxony, for failing to carry out his claim of being able to transform base metal into gold. In his hunt for a porcelain-making technique, Boettger worked methodically through a range of local materials, maintaining meticulous records of both the compounds utilized and the temperatures used to fuse them together. In 1708, he discovered a composition that would lead to the establishment of the Meissen porcelain factory. <br> <br> Like many inventions, commercial success was slow to arrive. Many factors contributed to this, including difficulties scaling up the process to commercial scale, industrial espionage, Boettger's limitations as an entrepreneur, the Elector's meddling, and a lack of finance to develop the method. Nonetheless, Meissen is highly sought for today due to the factory's employment of several exceptionally talented illustrators and modellers. <br> <br> Johann Boettger discovered porcelain by using alchemy.
- FALSE (Correct answer)
- TRUE
- Can't Tell
Correct answer: FALSE
The passage explicitly states that Boettger's career 'spanned both the ancient era of alchemy and the contemporary era of chemistry.' It then clarifies that in his search for porcelain, he 'worked methodically through a range of local materials, maintaining meticulous records of both the compounds utilized and the temperatures used.' This systematic, record-keeping approach is characteristic of chemistry, not alchemy, indicating he discovered porcelain through scientific experimentation rather than alchemical practices.
Question 107: A hospital runs 4 operating theatres. Data shows each theatre performs an average of 6 procedures per day. Over a 5-day week, how many procedures are performed in total?
- 100
- 110
- 120 (Correct answer)
- 130
Correct answer: 120
4 theatres × 6 procedures/day × 5 days = 120 procedures per week.
Question 108: Patient data shows that 180 patients were screened, 45 tested positive, and 30 were true positives. What is the positive predictive value (PPV)?
- 67% (Correct answer)
- 60%
- 75%
- 50%
Correct answer: 67%
PPV = true positives / total positives = 30 / 45 ≈ 66.7%, approximately 67%.
Question 109: A study reports a relative risk (RR) of 0.6 for a new vaccine. What does this mean?
- The vaccine is 60% effective in all populations
- 60% of vaccinated people are protected
- Vaccinated people have 40% less risk of disease compared to unvaccinated (Correct answer)
- The vaccine increases disease risk by 40%
Correct answer: Vaccinated people have 40% less risk of disease compared to unvaccinated
An RR of 0.6 means vaccinated people have 60% of the risk of unvaccinated people, i.e. a 40% reduction in risk.
Question 110: Passage: 'Telemedicine adoption increased dramatically during the pandemic. Rural patients particularly benefited from reduced travel burdens. However, digital literacy barriers excluded older and lower-income populations, and physical examination limitations meant some conditions were missed.' The passage suggests telemedicine: A) Is superior to in-person care in all respects B) Offers genuine benefits but also introduces new inequalities and clinical risks C) Should be limited to rural areas only D) Eliminates the need for physical examinations
- Eliminates the need for physical examinations
- Is superior to in-person care in all respects
- Offers genuine benefits but also introduces new inequalities and clinical risks (Correct answer)
- Should be limited to rural areas only
Correct answer: Offers genuine benefits but also introduces new inequalities and clinical risks
The passage describes both benefits (rural access) and drawbacks (exclusion, missed diagnoses), supporting a balanced assessment.
Question 111: Which of the following best describes the term 'equipoise' in clinical trial design?
- The control group receives a placebo
- All participants receive equal treatment
- There is genuine uncertainty about which treatment arm is superior (Correct answer)
- The trial is perfectly balanced in sample size
Correct answer: There is genuine uncertainty about which treatment arm is superior
Clinical equipoise means there is genuine uncertainty in the expert community about which treatment is better, ethically justifying a randomised trial.
Question 112: What is the function of the hypothalamus?
- Long-term memory storage
- Voluntary movement coordination
- Regulation of body temperature, hunger, and hormone release (Correct answer)
- Processing of visual information
Correct answer: Regulation of body temperature, hunger, and hormone release
The hypothalamus is the brain's control centre for homeostasis, regulating temperature, hunger, thirst, and the endocrine system via the pituitary gland.
Question 113: A clinical scenario describes a conflict between best clinical evidence and a patient's personal wishes. Which ethical principle is most relevant to respecting the patient's wishes?
- Autonomy (Correct answer)
- Non-maleficence
- Justice
- Beneficence
Correct answer: Autonomy
Autonomy is the principle that patients have the right to make informed decisions about their own care.
Question 114: Which of the following best strengthens the argument that hand hygiene compliance reduces hospital-acquired infections?
- A randomised controlled trial shows a significant reduction in infections when compliance increases (Correct answer)
- Some hospitals already have high compliance rates
- Hand hygiene is taught in medical schools
- Nurses prefer gel dispensers to soap
Correct answer: A randomised controlled trial shows a significant reduction in infections when compliance increases
A randomised controlled trial provides the strongest evidence for a causal relationship between compliance and infection rates.
Question 115: Which of the following is the correct order of the scientific method?
- Conclusion → Experiment → Hypothesis → Observation
- Experiment → Hypothesis → Observation → Conclusion
- Hypothesis → Observation → Experiment → Conclusion
- Observation → Hypothesis → Experiment → Conclusion (Correct answer)
Correct answer: Observation → Hypothesis → Experiment → Conclusion
The scientific method begins with observation, leading to a hypothesis, which is tested through experiment, and results in a conclusion.
Question 116: A hospital reduces waiting times from 45 minutes to 36 minutes. What is the percentage reduction?
- 30%
- 15%
- 25%
- 20% (Correct answer)
Correct answer: 20%
Percentage reduction = (45 − 36) / 45 × 100 = 9 / 45 × 100 = 20%.
Question 117: What is the recommended preparation time for the UCAT?
- 2-3 days of intensive study
- At least 6 months prior to the test
- Around 20-30 hours of practice (Correct answer)
- At least 1 week before the test
Correct answer: Around 20-30 hours of practice
The UCAT consortium generally advises a focused and consistent approach to preparation, rather than extensive, prolonged study. They recommend around 20-30 hours of dedicated practice, spread over several weeks, to familiarize oneself with the test format, question types, and time constraints. This allows for effective skill development and strategy refinement without leading to burnout or over-preparation.
Question 118: A junior doctor must choose between two patients for the one remaining ICU bed. Patient A has a better prognosis; Patient B has been waiting longer. Which ethical framework primarily supports prioritising Patient A?
- Virtue ethics
- Deontology
- Utilitarianism (Correct answer)
- Rights-based ethics
Correct answer: Utilitarianism
Utilitarianism focuses on maximising overall welfare or benefit, which is best served by prioritising the patient with the better prognosis.
Question 119: A patient asks their doctor not to tell their spouse about a terminal diagnosis. The doctor should:
- Disclose to the spouse only if the patient becomes incapacitated
- Involve a hospital ethicist before making any decision
- Respect patient confidentiality and not disclose without consent (Correct answer)
- Tell the spouse because they have a right to know
Correct answer: Respect patient confidentiality and not disclose without consent
Confidentiality is a core medical principle; information belongs to the patient and cannot be shared without consent except in specific legal or safety circumstances.
Question 120: Passage: 'Childhood vaccination programmes have eradicated smallpox and nearly eliminated polio globally. Despite this, vaccine hesitancy driven by misinformation is reducing herd immunity in some communities, allowing preventable outbreaks. Mandating vaccination raises ethical concerns about bodily autonomy.' What tension does the passage highlight? A) Between different vaccine types B) Between individual autonomy and collective public health protection C) Between government funding and private healthcare D) Between doctors and pharmacists on vaccine administration
- Between doctors and pharmacists on vaccine administration
- Between individual autonomy and collective public health protection (Correct answer)
- Between different vaccine types
- Between government funding and private healthcare
Correct answer: Between individual autonomy and collective public health protection
Mandating vaccines protects the community but overrides personal choice—the core tension the passage identifies.
Question 121: Toward the end of 2011, biologists from the University of California, Los Angeles (UCLA) identified a mechanism to halt the aging process in fruit flies. They identified a gene called PGC-1 and injected it into various organs throughout the bodies of Drosophila flies, looking for impacts on small organelles within cells known as mitochondria. In addition to generating energy and delivering it to cells, mitochondria also regulate apoptosis, or 'cell death'. The researchers hypothesized that because PGC-1 increases mitochondrial activity, such intervention could affect the insect's regular two-month life span. <br> <br> Drosophilia was chosen since their entire genomic structure had already been mapped. This meant that the scientists could modify certain genes to reduce potential errors. There was no effect on muscular tissue or neurons in the fly's brain, but stimulating PGC-1 in the digestive system reduced the intestine's aging by half at the cellular level. As a result, the test subjects lived up to 50 percent longer. While the team denies that a loss in mitochondrial activity is the sole cause of aging, the findings have important implications for humans because the PGC-1 gene functions similarly in mammals and flies. As a result, pharmaceutical companies may focus on the gene in order to find medicines for age-related diseases and most malignancies. <br> <br> The author most likely agrees with all of the following statements <b>except:</b>
- Experiments carried out by the UCLA team may lead to pharmaceutical treatments for human diseases
- At a genetic level, the UCLA team have suggested a direct relationship between the ageing process in fruit flies and humans
- The UCLA team have successfully proven that manipulating PGC-1 in specific cells of a fruit fly can lead to a reduction in the ageing process
- The UCLA team have proven the human ageing process can be manipulated in the same way as fruit flies (Correct answer)
Correct answer: The UCLA team have proven the human ageing process can be manipulated in the same way as fruit flies
The passage states that the findings 'have important implications for humans because the PGC-1 gene functions similarly in mammals and flies,' and that pharmaceutical companies 'may focus on the gene in order to find medicines.' However, it does not claim that the UCLA team has *proven* human aging can be manipulated in the same way, only that there are significant implications and potential for future research. Therefore, claiming it's 'proven' is an overstatement not supported by the text.
Question 122: You are going down a jungle trail when you hear a stir in the undergrowth. A twinge of fear grips you. Another rustling sound sends you running down the path as fast as you can. Why did you do it? You thought some animal, possibly a predator, was about to spring out at you. However, the rustling was generated by a gust of wind. You created a "false positive" mistake. <br> <br> Later, you follow the same path and notice a rustle in the undergrowth. "Just a gust of wind," you tell yourself as you proceed down the trail, only to be smacked by a leopard. You made a "false negative" error, which has catastrophic implications. <br> <br> We learn to notice patterns at a young age, and these patterns may or may not be relevant. It may be prudent to treat all strange events as potentially life-threatening until our experience with them demonstrates otherwise. <br> <br> False positive errors are common in everyday life, sometimes producing bad outcomes. The parent who says “I do not wish my child to be vaccinated against measles because there is a risk of brain damage” is not evaluating the risk involved in contracting measles at a later date. Comparing risks shows that the much higher risk of catching measles with a devastating outcome far outweighs the miniscule risk involved in vaccination. <br> <br> Identifying false positive errors is important in medicine because:
- Patterns in disease are difficult to identity
- Brain damage may be difficult to observe
- Inappropriate treatment may be prescribed (Correct answer)
- The risks in vaccination are very high
Correct answer: Inappropriate treatment may be prescribed
A false positive error in medicine occurs when a test or diagnosis incorrectly indicates a condition is present when it is not. This can lead to unnecessary anxiety for the patient, further invasive and potentially harmful diagnostic procedures, and the prescription of inappropriate treatments or medications for a condition that doesn't exist. Such errors waste resources and can cause significant patient harm.
Question 123: What is the difference between UCAT, UKCAT and UCAT ANZ?
- UCAT is the updated name for UKCAT (Correct answer)
- UCAT is the updated name for UKCAT
- UCAT ANZ is tailored for applicants in Australia and New Zealand
- UCAT exams are used for undergraduate medical and dental programs in the UK and Australia. UKCAT was the original name, later changed to UCAT. UCAT ANZ is specifically for applicants to medical and dental schools in Australia and New Zealand.
Correct answer: UCAT is the updated name for UKCAT
The UK Clinical Aptitude Test (UKCAT) was the original name for the admissions test used by UK universities for medical and dental programs. In 2019, it was rebranded as the University Clinical Aptitude Test (UCAT) to reflect its broader international use, including the specific version for Australia and New Zealand applicants known as UCAT ANZ. Therefore, UCAT is simply the updated and current name for what was formerly known as UKCAT.
Question 124: A news headline states: 'Eating chocolate reduces heart attack risk by 50%.' The underlying study shows a relative risk reduction of 50% with an absolute risk reduction of 0.2%. What is the most accurate interpretation?
- The relative benefit sounds large but the absolute benefit is very small (Correct answer)
- The study proves chocolate prevents heart attacks
- Both figures are equally misleading
- Chocolate is a highly effective treatment
Correct answer: The relative benefit sounds large but the absolute benefit is very small
A 50% relative reduction sounds impressive but an absolute risk reduction of only 0.2% means the actual individual benefit is minimal.
Question 125: When Galileo Galilei was born in 1564, Venice served as the Mediterranean world's hub. Galileo had a reputation at Pisa for mathematics and fundamental science, but the Venetians most likely hired him as a mathematics professor because of his practical inventions. In 1608, some Flemish spectacle-makers created a crude spyglass. They attempted to sell it to the Venetian Republic. However, the Republic had Galileo at its disposal, a scientist and mathematician considerably superior to anyone in Northern Europe, as well as a much better publicist. <br> <br> He was ecstatic when he learned about the Flemish innovation and created an instrument of the same quality in one night, with a magnification of three, but quickly increased the magnification to eight, resulting in a real telescope. From the top of the Campanile, he showed the Venetian senators his 'telescope', which showed them a ship twenty miles or two hours away. That was extremely valuable to Venetian traders. <br> <br> Galileo developed the current scientific method after realizing that simply turning the Flanders toy into a navigation device was insufficient because it could also be used for research. He adjusted the magnification to thirty and focused his telescope on the stars. For the first time, he engaged in 'practical science', making the apparatus, experimenting, and reporting the results. In 1610, he wrote The Starry Messenger, which recounted his astronomical observations, described his discovery of four unknown 'planets', and outlined his investigation of our moon. He published the first maps of the moon. <br> <br> His reputation grew much stronger than it had been inside the Venetian trading society. What Galileo saw in the sky indicated that orthodox Ptolemaic cosmology would not work. Showing Copernicus was correct did not appeal to the establishment's bias. Galileo had made a major mistake. <br> <br> According to the passage, Galileo's 'telescope' was more effective than the Flemish spyglass because:
- He could adjust the magnification to ten times more, allowing him to study the stars rather than merely cargo. (Correct answer)
- Galileo had more time to refine his initial device than the Flemish inventors since he could replicate their original work.
- He demonstrated the worth of his new instrument to the Venetian Senators from the top of their Campanile.
- Venice was the center of the Mediterranean civilization, thus there were more skilled craftsmen who could manufacture better instruments.
Correct answer: He could adjust the magnification to ten times more, allowing him to study the stars rather than merely cargo.
The passage explains that Galileo initially created a telescope with a magnification of three, then increased it to eight, and later 'adjusted the magnification to thirty' to focus on the stars. This significant increase in magnification, far beyond the Flemish spyglass's initial capabilities, allowed him to use the instrument for scientific research and astronomical observation, rather than just practical navigation for cargo.
Question 126: Should ecologically conscious pest control be subject to ethical guidelines?
- No, pests are labelled as such because they are a negative for people and the environment
- Yes, dangers to the environment are not limited to pests but also societal expansion and population increase
- No, as the mitigation of damage by cane toads, rabbits and other pests are a socially agreed upon positive
- Yes, desired outcomes and methods should be pre-defined as rabbit haemorrhagic disease virus and other control measures caused wide animal suffering without solving the issue (Correct answer)
Correct answer: Yes, desired outcomes and methods should be pre-defined as rabbit haemorrhagic disease virus and other control measures caused wide animal suffering without solving the issue
Yes — even methods labeled 'ecologically conscious' need ethical guidelines, because real cases like the rabbit haemorrhagic disease virus caused widespread animal suffering without actually solving the pest problem. The 'No' options wrongly assume that labeling something a pest removes any ethical obligation, but unintended suffering and failed outcomes show why pre-defined ethical standards are needed.
Question 127: A health commissioner has evidence that Intervention A saves 10 lives per 1,000 patients and costs $2,000 per patient. Intervention B saves 6 lives per 1,000 and costs $800 per patient. Which intervention is more cost-effective per life saved?
- Both are equally cost-effective
- Intervention A
- Cannot be determined
- Intervention B (Correct answer)
Correct answer: Intervention B
Cost per life saved: A = $2,000 × 1,000 / 10 = $200,000; B = $800 × 1,000 / 6 ≈ $133,333 — Intervention B is more cost-effective.
Question 128: What percentage of the human body is made up of water?
- Around 20%
- Around 40%
- Around 60% (Correct answer)
- Around 80%
Correct answer: Around 60%
Water makes up approximately 60% of total adult body weight, though this varies by age, sex, and body composition.
Question 129: The latest insight as to why our modern food may be making us sick comes from Harvard specialist Richard Wrangham, who contends that the most significant transformation in the human diet occurred when we started to cook. <br> <br> "More than a million years ago, our human ancestors began cooking and probably also had more children who thrived," Wrangham said. Pounding and heating food 'predigests' it, which means our bellies use less energy breaking it down, absorbing more than if it were raw, and extracting more fuel for our brains. "Cooking produces soft, energy-rich foods," Wrangham explains. <br> <br> To put his theories to the test, Wrangham and his students fed rats and mice both raw and prepared food. When I visited Wrangham's lab at Harvard, he showed me plastic bags containing raw or cooked beef and sweet potatoes. Mice raised on cooked food gained 15-40% more weight than mice raised on raw food. <br> <br> If Wrangham is correct, cooking not only provided early humans with the energy they required to create larger brains, but it also allowed them to obtain more calories from food and gain weight. "We have now become so good at processing foods that for the first time in human evolution, many humans are getting more calories than they burn in a day. We need to become more aware of the calorie-raising consequences of a highly processed diet," Wrangham said. <br> <br> The global shift to processed foods is contributing to an increasing epidemic of obesity and related disorders. If the majority of the globe ate more local fruits and vegetables, a little meat, fish, and whole grains (as in the highly praised Mediterranean diet), and exercised for an hour a day, our health—and the planet's—would improve. <br> <br> Humans started to give up eating only raw food about:
- 110 million years ago
- 1.1 million years ago (Correct answer)
- 110,000 years ago
- 11 million yyears ago
Correct answer: 1.1 million years ago
The passage explicitly states, 'More than a million years ago, our human ancestors began cooking...' This directly indicates that the shift away from an exclusively raw food diet started over a million years ago. Among the given options, 1.1 million years ago is the only one that aligns with 'more than a million years ago.'
Question 130: Passage: 'Health literacy—the ability to obtain, understand, and use health information—varies widely in the population. Low health literacy is associated with worse management of chronic diseases, higher hospitalisation rates, and poorer communication with healthcare providers. Despite this, medical communications routinely use technical language and assume high baseline knowledge.' The passage implies which of the following is a systemic failure? A) Patients should be required to study medicine before consultations B) Healthcare communications are not designed with the actual literacy levels of patients in mind C) Low health literacy is caused by poor education policy alone D) Chronic disease management is unaffected by communication
- Healthcare communications are not designed with the actual literacy levels of patients in mind (Correct answer)
- Low health literacy is caused by poor education policy alone
- Chronic disease management is unaffected by communication
- Patients should be required to study medicine before consultations
Correct answer: Healthcare communications are not designed with the actual literacy levels of patients in mind
The use of technical language despite widespread low health literacy reveals a mismatch between communication design and patient needs.
Question 131: Passage: 'Socioeconomic deprivation is the single strongest predictor of poor health outcomes, outweighing genetic factors and individual behaviours. Life expectancy in the most deprived areas of the US can be more than a decade shorter than in affluent areas. Yet healthcare spending per capita is often lower in poorer regions.' Which policy is most directly supported by this evidence? A) Expanding genetic testing programmes in deprived areas B) Targeting additional healthcare resources and social investment toward the most deprived communities C) Encouraging individuals in deprived areas to change their behaviour D) Reducing healthcare spending to match national averages everywhere
- Reducing healthcare spending to match national averages everywhere
- Expanding genetic testing programmes in deprived areas
- Encouraging individuals in deprived areas to change their behaviour
- Targeting additional healthcare resources and social investment toward the most deprived communities (Correct answer)
Correct answer: Targeting additional healthcare resources and social investment toward the most deprived communities
The gap in life expectancy combined with lower spending in poorer areas directly justifies redirecting resources toward deprived communities.
Question 132: In a clinical trial, what is 'blinding' designed to prevent?
- Allergic reactions to the drug
- Bias from participants or researchers knowing treatment allocation (Correct answer)
- Data loss due to dropout
- Ethical violations in patient care
Correct answer: Bias from participants or researchers knowing treatment allocation
Blinding prevents knowledge of treatment assignment from influencing participant behaviour or researcher assessments, reducing bias.
Question 133: Which of the following best describes an assumption underlying the argument: 'We should increase GP numbers because long appointment wait times cause poor health outcomes'?
- More GPs will reduce wait times (Correct answer)
- GP training takes too long
- Poor health outcomes are inevitable
- Long wait times cause poor outcomes
Correct answer: More GPs will reduce wait times
The argument assumes that increasing GP numbers will actually reduce wait times — this is an unstated premise on which the conclusion depends.
Question 134: What does the term 'epidemiology' refer to?
- The study of the skin and its diseases
- The study of distribution and determinants of health events in populations (Correct answer)
- The study of the nervous system
- The study of epidemic viruses in lab settings
Correct answer: The study of distribution and determinants of health events in populations
Epidemiology examines how diseases are distributed across populations and what factors determine that distribution.
Question 135: In a UCAT practice context, which of the following best describes 'analogical reasoning'?
- Drawing conclusions about a new case based on its similarity to a known case (Correct answer)
- Evaluating the credibility of sources
- Identifying patterns in numerical sequences
- Using deductive logic to reach certain conclusions
Correct answer: Drawing conclusions about a new case based on its similarity to a known case
Analogical reasoning involves applying lessons from a familiar case to a new, similar situation — a key skill in clinical problem-solving.
Question 136: In 1803, the United States paid France $15 million for roughly 827,000 square miles of land ranging from New Orleans in the south to Canada in the north. Previously, the Mississippi River served as the United States' western frontier. <br> <br> Initially, Napoleon Bonaparte envisioned a French empire that included the Mississippi Valley. This would give food and trade to Hispaniola (today the Dominican Republic and Haiti). However, Haitian slaves took Hispaniola in 1801, and the French lost many soldiers in their attempt to retake it. When Napoleon decided to quit Hispaniola, he had little regard for Louisiana. Indeed, anticipating a fresh war with Britain, he could not spare troops to protect the area and required finances to further his European military ambitions. <br> <br> Meanwhile, concerned about French intentions, President Jefferson dispatched two representatives to Paris to buy a plot of land on the lower Mississippi near New Orleans for up to $10 million. Alternatively, they would gain a guarantee of free river navigation. Imagine their surprise when Napoleon proposed to sell the entire Louisiana Territory for $15 million. <br> <br> As a result, the United States doubled in size, and the Mississippi River's freedom of navigation was guaranteed. Although the US Constitution was silent on whether the federal government could acquire new territory through treaty, Jefferson, with the tacit support of the Supreme Court and the House of Representatives, saw that the practical benefits outweighed any potential constitutional violations. The Senate, which has the ability to ratify, concurred. In December 1803, the French ceded the Louisiana Territory to the United States for just $15 million. <br> <br> Napoleon was prepared to sell the Louisiana Territory because he:
- Feared the disease which killed many French troops in Hispaniola
- Detested the practice of slavery in the USA
- Was always more interested in French expansion in Europe (Correct answer)
- Regarded those who settled in North America as trouble-makers
Correct answer: Was always more interested in French expansion in Europe
The passage explains that Napoleon 'anticipated a fresh war with Britain, he could not spare troops to protect the area and required finances to further his European military ambitions.' This clearly indicates that his primary focus and interest lay in European expansion and military endeavors, making the Louisiana Territory a secondary concern he was willing to sell for financial and strategic reasons related to his European goals.
Question 137: Passage: 'Depression is both underdiagnosed and overtreated. GPs often miss the condition in patients who present with physical complaints, yet when depression is identified, antidepressants are frequently prescribed without exploring psychological therapies first.' Which reform would directly address BOTH problems identified? A) Reducing the prescribing rights of GPs B) Training GPs to recognise somatic presentations of depression and to offer therapy before medication C) Increasing psychiatric hospital capacity D) Requiring patients to self-refer to mental health services
- Increasing psychiatric hospital capacity
- Training GPs to recognise somatic presentations of depression and to offer therapy before medication (Correct answer)
- Requiring patients to self-refer to mental health services
- Reducing the prescribing rights of GPs
Correct answer: Training GPs to recognise somatic presentations of depression and to offer therapy before medication
Better recognition addresses underdiagnosis; prioritising therapy over medication addresses overtreatment with antidepressants.
Question 138: How is the UCAT scored?
- Each section is scored from 0 to 100, with a total score range from 0 to 500
- Each section is graded A to E
- Each section is scored from 300 to 900, with a total score range from 1200 to 3600 (Correct answer)
- A single score is given based on overall performance
Correct answer: Each section is scored from 300 to 900, with a total score range from 1200 to 3600
The UCAT is scored with each of its four cognitive sections (Verbal Reasoning, Decision Making, Quantitative Reasoning, and Abstract Reasoning) receiving a scaled score ranging from 300 to 900. These individual section scores are then summed together to produce a total cognitive score, which can range from a minimum of 1200 to a maximum of 3600. The Situational Judgement section is scored separately in bands, not on this numerical scale.
Question 139: Which of the following best describes a 'systemic' effect of a drug?
- An effect confined to the site of application
- A widespread effect throughout the body via the bloodstream (Correct answer)
- An effect that appears only after long-term use
- An effect that occurs only in the digestive tract
Correct answer: A widespread effect throughout the body via the bloodstream
A systemic effect occurs when a drug enters the bloodstream and acts throughout the body, in contrast to a localised effect.
Question 140: Which of the following is an autoimmune disease?
- Malaria
- Pneumonia
- Chickenpox
- Rheumatoid arthritis (Correct answer)
Correct answer: Rheumatoid arthritis
In rheumatoid arthritis, the immune system mistakenly attacks the synovial lining of joints, causing chronic inflammation.
Question 141: No mammals can photosynthesize. Dolphins are mammals. Which argument form does this represent?
- Analogical reasoning
- Inductive reasoning
- Abductive reasoning
- Deductive syllogism (Correct answer)
Correct answer: Deductive syllogism
This is a classic deductive syllogism — a valid conclusion follows necessarily from two true premises.
Question 142: Passage: 'A meta-analysis pooling data from 15 studies found that exercise reduces depressive symptoms with an effect size comparable to antidepressant medication. However, the studies varied widely in exercise type, duration, and participant populations. The authors cautioned that firm clinical recommendations could not yet be drawn.' A doctor reading this should conclude: A) Exercise should immediately replace antidepressants for all patients B) Exercise has no role in treating depression C) Exercise is a promising adjunct but more standardised research is needed before definitive guidance D) Meta-analyses are inherently unreliable
- Exercise should immediately replace antidepressants for all patients
- Exercise is a promising adjunct but more standardised research is needed before definitive guidance (Correct answer)
- Meta-analyses are inherently unreliable
- Exercise has no role in treating depression
Correct answer: Exercise is a promising adjunct but more standardised research is needed before definitive guidance
The caution about heterogeneous studies and lack of firm recommendations supports treating exercise as promising but not yet definitive.
Question 143: A scheduler must assign 4 tasks (W, X, Y, Z) sequentially. X must come before Z. Y must be last. W must come immediately before X. Which order is valid?
- Z, W, X, Y
- W, X, Z, Y (Correct answer)
- W, Z, X, Y
- X, W, Z, Y
Correct answer: W, X, Z, Y
W must immediately precede X, X must precede Z, and Y must be last — so W, X, Z, Y satisfies all constraints.
Question 144: Which of these is an example of a primary preventive health measure?
- Vaccination against influenza (Correct answer)
- Chemotherapy for cancer
- Rehabilitation after a stroke
- Early detection screening
Correct answer: Vaccination against influenza
Primary prevention aims to prevent disease before it occurs; vaccination reduces the risk of contracting influenza.
Question 145: A table shows that Hospital A had 2,400 admissions in Q1 and Hospital B had 1,800. What percentage more admissions did Hospital A have compared to Hospital B?
- 40%
- 33% (Correct answer)
- 30%
- 25%
Correct answer: 33%
(2400 − 1800) / 1800 × 100 = 600 / 1800 × 100 ≈ 33%.
Question 146: Which part of the brain is primarily responsible for balance and coordination?
- Hypothalamus
- Medulla oblongata
- Cerebellum (Correct answer)
- Cerebrum
Correct answer: Cerebellum
The cerebellum coordinates voluntary movements, balance, and fine motor control.
Question 147: A graph shows hospital readmission rates across 5 wards. Ward C has twice the readmission rate of Ward A but half the rate of Ward E. If Ward A's rate is 6%, what is Ward E's rate?
- 18%
- 24% (Correct answer)
- 12%
- 30%
Correct answer: 24%
Ward C = 2 × 6% = 12%; Ward E = 2 × Ward C = 2 × 12% = 24%.
Question 148: Ally, Bob, Carol, Denise, Eddie, and Fred are sitting around a round table. <br> <br> Ally is sitting opposite Fred. <br> <br> Bob is sitting between two girls. <br> <br> Eddie is seated opposite Carol. <br> <br> Fred is sitting just to the left of Carol. <br> <br> Who sits to Denise's immediate left?
- Ally
- Fred
- Bob (Correct answer)
- Eddie
Correct answer: Bob
Working from the clues, Fred sits opposite Ally and just to the left of Carol, with Eddie opposite Carol; placing these fixes the arrangement so that Bob (seated between two girls) ends up immediately to Denise's left. The other names don't satisfy all the 'opposite' and 'left of' constraints at once, so only Bob fits.
Question 149: A chart shows that 360 out of 1,200 outpatient appointments were missed. What is the did-not-attend (DNA) rate?
- 25%
- 40%
- 33%
- 30% (Correct answer)
Correct answer: 30%
360 / 1,200 × 100 = 30% DNA rate.
Question 150: What should be the minimum time period for preparing for the UCAT?
- 6 months
- * 9 months (Correct answer)
- At least 3 months
- * 12 months
Correct answer: * 9 months
While the UCAT consortium often recommends a more focused preparation period of 20-30 hours, some preparation strategies suggest a longer, more gradual approach to skill development. A minimum period of 9 months allows candidates to integrate UCAT-relevant cognitive skill practice into their regular studies over an extended period. This sustained engagement can foster deeper understanding and reduce stress compared to last-minute intensive study, especially for skills that develop over time.
Question 151: How many chambers does the human heart have?
- Three
- Six
- Two
- Four (Correct answer)
Correct answer: Four
The human heart has four chambers: left and right atria, and left and right ventricles.
Question 152: The Hippocratic principle 'primum non nocere' translates to:
- Above all, respect autonomy
- First, treat the patient
- Above all, be truthful
- First, do no harm (Correct answer)
Correct answer: First, do no harm
'Primum non nocere' is a core medical ethical principle meaning clinicians should avoid causing unnecessary harm.
Question 153: A medical student witnesses a senior doctor dismiss a patient's pain complaint without examination. The best immediate action is to:
- Report the doctor to the GMC immediately
- Confront the senior doctor in front of the patient
- Stay silent to avoid conflict with a senior colleague
- Politely advocate for the patient and suggest a brief examination (Correct answer)
Correct answer: Politely advocate for the patient and suggest a brief examination
Advocating for the patient while remaining professional is appropriate — it addresses patient welfare without escalating prematurely.
UCAT University Clinical Aptitude Test
The UCAT (University Clinical Aptitude Test) is a UK admissions test used by medical and dental schools. It assesses Verbal Reasoning, Decision Making, Quantitative Reasoning, Abstract Reasoning, and Situational Judgement over a strictly timed 2-hour session.
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds
These practice questions were written with AI tools. They are not real exam questions. We have not yet matched this exam's facts to an official source, so confirm fees, dates and rules with the exam body. Not reviewed by a subject-matter expert. Editorial policy