Fellowship of the Faculty of Intensive Care Medicine (FFICM) — Final MCQ Examination — Questions and Answers

Question 1: When should documentation of a service or intervention be completed?

At the end of the week in a batch
Only when requested by a supervisor
As soon as possible after the service is provided (Correct answer)
Within 30 days of service

Correct answer: As soon as possible after the service is provided

Timely documentation ensures accuracy and completeness, as details are freshest immediately after service delivery.

Question 2: When assessing a mechanically ventilated patient, which parameter best reflects respiratory system compliance?

Mean airway pressure
Plateau pressure minus PEEP divided by tidal volume (Correct answer)
Peak airway pressure
Driving pressure alone

Correct answer: Plateau pressure minus PEEP divided by tidal volume

Static compliance = tidal volume / (plateau pressure − PEEP), reflecting the elastic properties of the respiratory system.

Question 3: Which parameter is NOT included in the APACHE II scoring system?

Temperature
Serum sodium
Serum lactate (Correct answer)
Mean arterial pressure

Correct answer: Serum lactate

APACHE II includes 12 physiological variables but does not include serum lactate; lactate is used in sepsis protocols but not APACHE II.

Question 4: When calculating sample size for a superiority trial, which change has the greatest effect on reducing the required sample size?

Decreasing the power from 90% to 80%
Increasing the significance level from 1% to 5%
Increasing the expected effect size (Correct answer)
Switching from a two-tailed to a one-tailed test

Correct answer: Increasing the expected effect size

Sample size is inversely proportional to the square of the effect size; doubling the expected effect size reduces the required sample size by approximately four-fold.

Question 5: What is the normal range for cardiac index in a healthy adult at rest?

2.2–4.0 L/min/m² (Correct answer)
1.0–2.0 L/min/m²
0.5–1.5 L/min/m²
4.5–6.0 L/min/m²

Correct answer: 2.2–4.0 L/min/m²

Cardiac index (CI) is cardiac output normalized to body surface area, with a normal range of 2.2–4.0 L/min/m² in adults.

Question 6: The 2021 ESPEN guidelines on nutrition in ICU recommend initiating enteral nutrition within what timeframe for haemodynamically stable ICU patients?

Only after gastric residual volumes are confirmed <200 mL
Within 24–48 hours (Correct answer)
Within 72 hours
Within 6 hours

Correct answer: Within 24–48 hours

ESPEN 2021 recommends early enteral nutrition within 24–48 hours in haemodynamically stable ICU patients to preserve gut barrier function.

Question 7: Under UK postgraduate training governance, which body holds statutory responsibility for setting and maintaining standards for ICM specialist training?

The Faculty of Intensive Care Medicine (FICM)
NHS England Health Education
The Royal College of Physicians
The General Medical Council (GMC) (Correct answer)

Correct answer: The General Medical Council (GMC)

The GMC is the statutory regulator that approves and quality-assures all postgraduate medical training in the UK, including ICM specialist training.

Question 8: A patient on clopidogrel requires emergency CABG. The most appropriate management regarding antiplatelet reversal is:

Delay surgery 5–7 days to allow new platelet generation if clinically safe (Correct answer)
Transfuse platelets immediately before bypass
Give tranexamic acid and proceed immediately without delay
Administer protamine to reverse antiplatelet effect

Correct answer: Delay surgery 5–7 days to allow new platelet generation if clinically safe

Clopidogrel irreversibly inhibits P2Y12 receptors on platelets; since platelet lifespan is ~7–10 days, waiting 5–7 days allows sufficient new platelet generation to reduce bleeding risk.

Question 9: What is the main mode of transmission of Clostridioides difficile in the ICU?

Bloodborne exposure
Fecal-oral route via contact with spore-contaminated surfaces and hands (Correct answer)
Airborne droplet nuclei
Respiratory secretions

Correct answer: Fecal-oral route via contact with spore-contaminated surfaces and hands

C. difficile spreads via spores on contaminated surfaces; transmission is fecal-oral through hand contact with these surfaces.

Question 10: A systematic review on vasopressor use in septic shock includes studies with significant clinical heterogeneity. Which approach best addresses this in a meta-analysis?

Pool all studies regardless of heterogeneity
Exclude all heterogeneous studies
Use a random-effects model and report I² statistic (Correct answer)
Use a fixed-effects model only

Correct answer: Use a random-effects model and report I² statistic

A random-effects model accounts for between-study variability, and the I² statistic quantifies the proportion of total variation attributable to heterogeneity.

Question 11: Which assessment tool specifically evaluates frailty in critically ill elderly patients at ICU admission?

Barthel Index
APACHE IV
Clinical Frailty Scale (Correct answer)
Karnofsky Scale

Correct answer: Clinical Frailty Scale

The Clinical Frailty Scale (CFS) assesses pre-morbid functional status from 1 (very fit) to 9 (terminally ill) and predicts ICU outcomes.

Question 12: Non-invasive positive pressure ventilation (NIV) is most strongly indicated in COPD exacerbation when:

The patient cannot protect their airway due to obtundation
Chest X-ray shows diffuse bilateral infiltrates suggesting pneumonia
Arterial pH is below 7.25 with haemodynamic instability
The patient has hypercapnic respiratory failure with arterial pH 7.25–7.35 (Correct answer)

Correct answer: The patient has hypercapnic respiratory failure with arterial pH 7.25–7.35

NIV reduces intubation rates and mortality in COPD exacerbation with moderate acidosis (pH 7.25–7.35); below 7.25 or airway compromise favours intubation.

Question 13: In a patient with acute kidney injury, which benzodiazepine has the most predictable pharmacokinetics due to direct glucuronidation without active metabolites?

Lorazepam (Correct answer)
Diazepam
Clonazepam
Midazolam

Correct answer: Lorazepam

Lorazepam undergoes direct glucuronidation to inactive metabolites without hepatic CYP450 oxidation, making it more predictable in renal or hepatic impairment.

Question 14: In the ICU, how should a blood pressure cuff be handled after use on a patient in contact precautions?

Dedicated to that patient and disinfected before use on any other patient (Correct answer)
Sent for sterilization after each use
Wiped with alcohol and returned to shared stock immediately
Discarded as clinical waste after single use

Correct answer: Dedicated to that patient and disinfected before use on any other patient

Shared patient equipment such as blood pressure cuffs must be dedicated to the isolated patient or thoroughly disinfected between patients to prevent cross-transmission.

Question 15: Which validated scale specifically measures ICU-acquired weakness at the bedside using a 60-point motor assessment?

Barthel Index
NIHSS
Medical Research Council (MRC) Sum Score (Correct answer)
Rivermead Mobility Index

Correct answer: Medical Research Council (MRC) Sum Score

The MRC Sum Score tests 12 muscle groups bilaterally, each scored 0-5, giving a maximum of 60; a score <48 defines ICU-acquired weakness.

Question 16: Heparin resistance in a critically ill patient is most often caused by:

Antithrombin III deficiency reducing heparin binding (Correct answer)
Hyperfibrinogenaemia neutralising heparin activity
CYP450 induction accelerating hepatic metabolism
Increased renal clearance of heparin

Correct answer: Antithrombin III deficiency reducing heparin binding

Heparin exerts its anticoagulant effect by binding and potentiating antithrombin III; deficiency (from consumption, liver disease, or nephrotic syndrome) renders heparin ineffective.

Question 17: What does "PRN" mean in medication orders?

Pre-registered narcotics
Prescription renewal notice
As needed (pro re nata) (Correct answer)
Patient requires notification

Correct answer: As needed (pro re nata)

PRN (pro re nata) means medication is given as needed based on patient symptoms rather than on a fixed schedule.

Question 18: Which mechanism best explains the tachyphylaxis seen with repeated doses of ephedrine?

Depletion of noradrenaline from presynaptic vesicles (Correct answer)
Competitive inhibition of monoamine oxidase
Increased renal clearance
Downregulation of adrenoceptors

Correct answer: Depletion of noradrenaline from presynaptic vesicles

Ephedrine acts indirectly by displacing noradrenaline from presynaptic terminals; repeated dosing depletes these stores, reducing each subsequent response.

Question 19: In pressure support ventilation, which parameter does the clinician set directly?

Inspiratory time
Tidal volume
Respiratory rate
Inspiratory pressure above PEEP (Correct answer)

Correct answer: Inspiratory pressure above PEEP

During pressure support ventilation, the clinician sets the inspiratory pressure level above PEEP; tidal volume and rate are determined by patient effort and lung mechanics.

Question 20: Which decontamination method is required for flexible bronchoscopes between patient uses?

Sterilization with ethylene oxide only
High-level disinfection (e.g., glutaraldehyde or automated endoscope reprocessor) (Correct answer)
Low-level disinfection with quaternary ammonium compounds
Wiping with 70% isopropyl alcohol

Correct answer: High-level disinfection (e.g., glutaraldehyde or automated endoscope reprocessor)

Flexible bronchoscopes are semi-critical items requiring high-level disinfection to eliminate all microorganisms except bacterial spores.

Question 21: The Faculty of Intensive Care Medicine's 'Care at the End of Life' guidelines emphasize which ethical principle as the primary driver for withdrawal of life-sustaining treatment decisions?

Non-maleficence above all else
Autonomy and best interests of the patient (Correct answer)
Justice and resource allocation
Beneficence only

Correct answer: Autonomy and best interests of the patient

FICM end-of-life guidance centres on patient autonomy and best-interests decision-making, incorporating family input when the patient lacks capacity.

Question 22: A 55-year-old intubated ICU patient has absent cough and gag reflexes, fixed pupils, and no motor response to pain. Which assessment should be performed next to evaluate for brain death?

Continuous EEG monitoring
Transcranial Doppler
CT head with contrast
Apnea test after confirming prerequisites (Correct answer)

Correct answer: Apnea test after confirming prerequisites

The apnea test is a mandatory component of brain death determination after clinical criteria are met and confounders are excluded.

Question 23: Patient Self-Inflicted Lung Injury (P-SILI) in spontaneously breathing patients primarily results from:

Excessive respiratory effort generating injurious transpulmonary pressure swings (Correct answer)
Positive pressure delivered by the ventilator during inspiration
Barotrauma from high set PEEP levels
Secretion retention causing focal atelectasis

Correct answer: Excessive respiratory effort generating injurious transpulmonary pressure swings

In P-SILI, vigorous inspiratory effort creates large negative pleural pressure swings that amplify transpulmonary pressure, causing lung injury even without invasive ventilation.

Question 24: Regarding lumbar puncture in the ICU, which coagulation parameter is the most critical contraindication to consider?

APTT > 1.5× normal
INR > 1.5
Fibrinogen < 1.5 g/L
Platelet count < 50 × 10⁹/L (Correct answer)

Correct answer: Platelet count < 50 × 10⁹/L

A platelet count below 50 × 10⁹/L is generally considered a contraindication due to risk of spinal haematoma.

Question 25: A patient receiving a continuous infusion of noradrenaline develops progressive peripheral ischaemia. Which agent is most appropriate to add to improve limb perfusion?

Phenylephrine
Low-dose dopamine to the affected limb
Phentolamine infused intra-arterially (Correct answer)
Hydrocortisone to reduce vasopressor dose

Correct answer: Phentolamine infused intra-arterially

Phentolamine, a competitive alpha-adrenoceptor antagonist, can be infused intra-arterially or subcutaneously to reverse catecholamine-induced vasospasm and tissue ischaemia.

Question 26: A critically ill patient develops prolonged paralysis after a single intubating dose of suxamethonium. The most likely cause is:

High hepatic extraction ratio leading to drug accumulation
Pseudocholinesterase deficiency reducing hydrolysis of suxamethonium (Correct answer)
Upregulation of acetylcholine receptors increasing sensitivity
Renal failure preventing tubular secretion

Correct answer: Pseudocholinesterase deficiency reducing hydrolysis of suxamethonium

Suxamethonium is hydrolysed by plasma pseudocholinesterase (butyrylcholinesterase); deficiency — genetic or acquired — prolongs the duration of blockade from minutes to hours.

Question 27: Under the Equality Act 2010, which of the following represents a protected characteristic most relevant to ICU triage decisions?

Clinical severity of illness
Postcode of residence
Age (Correct answer)
Employment status

Correct answer: Age

Age is a protected characteristic under the Equality Act 2010; triage and resource allocation decisions must not discriminate on the basis of age alone.

Question 28: In assessing volume responsiveness, a straight leg raise test is positive when it produces which hemodynamic change?

A rise in MAP >20 mmHg
An increase in heart rate >10 bpm
A decrease in CVP >3 mmHg
An increase in cardiac output or pulse pressure ≥10% (Correct answer)

Correct answer: An increase in cardiac output or pulse pressure ≥10%

A passive leg raise is considered positive (fluid responsive) if cardiac output or pulse pressure increases by ≥10%.

Question 29: A patient on phenytoin requires an increased dose of vecuronium. The most likely pharmacokinetic explanation is:

Induction of hepatic CYP450 enzymes increasing vecuronium metabolism (Correct answer)
Reduced plasma protein binding
Competitive antagonism at the neuromuscular junction
Increased renal excretion of vecuronium

Correct answer: Induction of hepatic CYP450 enzymes increasing vecuronium metabolism

Phenytoin is a potent CYP450 inducer that accelerates hepatic metabolism of vecuronium, reducing its plasma concentration and duration of action.

Question 30: In an ICU trial with 10% loss to follow-up, which analytical approach best preserves the intention-to-treat principle?

Multiple imputation for missing outcome data (Correct answer)
Complete case analysis
Per-protocol analysis only
Exclusion of all centres with missing data

Correct answer: Multiple imputation for missing outcome data

Multiple imputation uses observed data to generate plausible values for missing outcomes, preserving sample size and supporting a valid intention-to-treat analysis.

Question 31: A multicentre ICU trial reports an odds ratio of 0.72 (95% CI 0.55–0.94) for 30-day mortality with a new intervention. What is the correct interpretation?

The intervention increases mortality by 28%
The intervention is associated with a statistically significant reduction in the odds of mortality (Correct answer)
The confidence interval crossing 0.72 confirms significance
The result is not statistically significant because the OR is less than 1

Correct answer: The intervention is associated with a statistically significant reduction in the odds of mortality

An OR of 0.72 with a 95% CI that does not cross 1.0 (0.55–0.94) indicates a statistically significant 28% reduction in the odds of mortality.

Question 32: Surrogates of critically ill patients are most prone to which cognitive bias that can impair shared decision-making?

Anchoring bias on the admission diagnosis
Framing effects from how mortality statistics are presented
Availability bias
Optimism bias overestimating survival probability (Correct answer)

Correct answer: Optimism bias overestimating survival probability

Surrogates consistently overestimate survival probabilities, which is an optimism bias that clinicians must gently address with clear prognostic information.

Question 33: A program director notices trainees are not completing SLEs with sufficient variety. What is the MOST effective systemic intervention?

Mandate only one type of SLE to simplify completion
Implement structured rotation timetables that expose trainees to diverse clinical scenarios and explicitly remind supervisors of SLE responsibilities (Correct answer)
Ask trainees to self-certify competence without supervisor input
Remove SLE requirements from the curriculum

Correct answer: Implement structured rotation timetables that expose trainees to diverse clinical scenarios and explicitly remind supervisors of SLE responsibilities

Structured rotations with supervisor engagement address both exposure breadth and assessment completion, tackling the root cause of the gap.

Question 34: Which receptor type mediates the inotropic effects of dopamine at doses of 5–10 mcg/kg/min?

Dopamine D1 receptors
Alpha-1 adrenoceptors
Beta-2 adrenoceptors
Beta-1 adrenoceptors (Correct answer)

Correct answer: Beta-1 adrenoceptors

At intermediate doses (5–10 mcg/kg/min), dopamine predominantly stimulates beta-1 adrenoceptors, increasing heart rate and contractility.

Question 35: Which statement best describes zero-order kinetics?

Drug clearance increases with rising plasma levels
Half-life remains constant across all plasma concentrations
A constant amount of drug is eliminated per unit time regardless of concentration (Correct answer)
Elimination rate is proportional to drug concentration

Correct answer: A constant amount of drug is eliminated per unit time regardless of concentration

Zero-order kinetics occurs when elimination pathways are saturated, so a fixed amount (not fraction) of drug is cleared per unit time.

Question 36: Which intervention is MOST effective in preventing catheter-associated urinary tract infections (CAUTIs)?

Using silver-alloy catheters routinely
Maintaining a closed sterile drainage system and daily catheter need review (Correct answer)
Changing urinary catheters every 72 hours
Irrigating the catheter with antiseptic solutions daily

Correct answer: Maintaining a closed sterile drainage system and daily catheter need review

Maintaining a closed drainage system and performing daily review to remove unnecessary catheters is the most effective CAUTI prevention strategy.

Question 37: What role does nonverbal communication play in professional interactions?

It replaces the need for verbal communication
It only matters during presentations
It is irrelevant in professional settings
It conveys up to 70% of the message and must align with verbal communication (Correct answer)

Correct answer: It conveys up to 70% of the message and must align with verbal communication

Nonverbal cues including body language, tone, and facial expressions significantly impact how messages are received and interpreted.

Question 38: Which single intervention has the strongest evidence for reducing ventilator-associated events (VAE) in ICU patients?

Changing the ventilator circuit every 24 hours
Maintaining the head of bed at 30–45 degrees to reduce aspiration (Correct answer)
Replacing HME filters with heated humidifiers to reduce circuit resistance
Routine prophylactic antifungal therapy in all intubated patients

Correct answer: Maintaining the head of bed at 30–45 degrees to reduce aspiration

Semi-recumbent positioning at 30–45° is supported by randomised evidence to reduce aspiration and is a core component of ventilator care bundles.

Question 39: A patient in the ICU lacks capacity and has no advance directive. Their adult children disagree about withdrawing life-sustaining treatment. What is the most appropriate next step?

Proceed with the majority family vote
Convene a formal family meeting facilitated by the clinical team and consider ethics consultation (Correct answer)
Seek a court order immediately
Continue full treatment indefinitely until consensus is reached

Correct answer: Convene a formal family meeting facilitated by the clinical team and consider ethics consultation

When families disagree, a structured family meeting with potential ethics consultation is the recommended approach before escalating to legal proceedings.

Question 40: Which change in critical illness most commonly increases the volume of distribution of hydrophilic antibiotics?

Reduced hepatic blood flow impairing first-pass metabolism
Increased GFR causing augmented renal clearance
Capillary leak and third spacing expanding the extravascular fluid compartment (Correct answer)
Hypoalbuminaemia reducing protein-bound fraction

Correct answer: Capillary leak and third spacing expanding the extravascular fluid compartment

Sepsis-related endothelial dysfunction causes capillary leak, dramatically expanding the extravascular space and increasing Vd for hydrophilic drugs like aminoglycosides and beta-lactams.

Question 41: A surrogate decision-maker insists on continuing aggressive ICU treatment that the clinical team considers futile and burdensome. What is the most appropriate ethical course?

Unilaterally withdraw treatment without further discussion
Comply with all surrogate demands to avoid conflict
Transfer the patient to another institution without explanation
Engage in further communication, seek ethics consultation, and if unresolved consider legal advice (Correct answer)

Correct answer: Engage in further communication, seek ethics consultation, and if unresolved consider legal advice

Intractable disagreements about futility should be managed through structured communication, ethics consultation, and if necessary legal advice or court review.

Question 42: Rocuronium's neuromuscular blockade is antagonised by sugammadex via which mechanism?

Alkalinisation of plasma shifting rocuronium to inactive form
Encapsulation of rocuronium molecules reducing free plasma concentration (Correct answer)
Competitive displacement of rocuronium from nicotinic receptors
Cholinesterase inhibition increasing acetylcholine at the synapse

Correct answer: Encapsulation of rocuronium molecules reducing free plasma concentration

Sugammadex is a modified gamma-cyclodextrin that encapsulates rocuronium (and vecuronium) in a tight complex, removing it from plasma and reversing blockade.

Question 43: Which of the following is the most appropriate analgesic choice for a mechanically ventilated ICU patient with anuria and rhabdomyolysis?

Ketorolac for its opioid-sparing anti-inflammatory effect
Fentanyl infusion, as it does not accumulate active metabolites in renal failure (Correct answer)
Tramadol, as it avoids opioid receptor activation
Morphine infusion titrated by nursing staff

Correct answer: Fentanyl infusion, as it does not accumulate active metabolites in renal failure

Fentanyl is preferred in renal failure as it has no clinically significant active metabolites; morphine's M6G metabolite accumulates in renal impairment causing prolonged sedation and respiratory depression.

Question 44: A patient with severe ARDS is conscious but unable to speak due to an endotracheal tube. She appears to be trying to write something. The correct action is:

Administer additional sedation to reduce apparent distress
Tell her to rest and that communication can wait until extubation
Provide a pen and pad or whiteboard and allow her to write her message (Correct answer)
Ask the bedside nurse to guess what the patient needs

Correct answer: Provide a pen and pad or whiteboard and allow her to write her message

Providing writing materials is a validated, low-tech AAC method that preserves patient autonomy and addresses immediate communication needs.

Question 45: In ICU infection control audits, what does the 'Five Moments for Hand Hygiene' framework specifically define?

Five times per shift when handwashing is mandatory
Five types of hand hygiene products ranked by efficacy
Five specific clinical moments where hand hygiene is required to interrupt pathogen transmission (Correct answer)
A scoring system for hand hygiene technique quality

Correct answer: Five specific clinical moments where hand hygiene is required to interrupt pathogen transmission

The WHO Five Moments framework defines five specific points during patient care (before/after patient contact, before aseptic tasks, after body fluid exposure, after touching patient surroundings) where hand hygiene interrupts transmission.

Question 46: For a patient who lacks capacity and has no known family or advance directive, decisions about life-sustaining treatment in England should involve:

The hospital finance department to assess cost implications
An Independent Mental Capacity Advocate (IMCA) and a best-interests decision process under the Mental Capacity Act (Correct answer)
Deferral of all treatment decisions until a family member is located
The senior nurse as the de facto decision-maker

Correct answer: An Independent Mental Capacity Advocate (IMCA) and a best-interests decision process under the Mental Capacity Act

When a patient lacking capacity has no family or representative, the Mental Capacity Act 2005 mandates IMCA involvement in serious medical decisions.

Question 47: Which pharmacokinetic parameter describes the time for plasma concentration to fall by 50% after distribution equilibrium?

Distribution half-life
Context-sensitive half-time (Correct answer)
Elimination half-life
Mean residence time

Correct answer: Context-sensitive half-time

Context-sensitive half-time reflects the time for plasma concentration to halve after stopping an infusion, and varies with infusion duration unlike a simple elimination half-life.

Question 48: A patient prescribed fluconazole for candidaemia is also receiving fentanyl PCA. Which interaction should be anticipated?

Increased fentanyl plasma levels due to CYP3A4 inhibition by fluconazole (Correct answer)
Reduced fentanyl bioavailability due to P-glycoprotein induction
Decreased fentanyl protein binding leading to toxicity
No clinically significant interaction expected

Correct answer: Increased fentanyl plasma levels due to CYP3A4 inhibition by fluconazole

Fluconazole is a potent CYP3A4 and CYP2C9 inhibitor; CYP3A4 is the primary enzyme metabolising fentanyl, so co-administration increases fentanyl exposure and risk of opioid toxicity.

Question 49: Which of the following is an example of a 'never event' related to patient safety in ICU infection control?

Central line insertion without using sterile gloves (Correct answer)
Catheter-associated urinary tract infection despite bundle compliance
A patient developing fever from their underlying illness
Delayed antibiotic administration in septic shock by 1 hour

Correct answer: Central line insertion without using sterile gloves

Central line insertion without sterile gloves violates a fundamental, preventable safety standard and represents a never event—an inexcusable breach of aseptic technique.

Question 50: Why are sedation protocols important in the ICU?

To ensure adequate sedation and minimize complications (Correct answer)
To reduce healthcare costs
To promote early patient discharge
To eliminate the need for monitoring

Correct answer: To ensure adequate sedation and minimize complications

Sedation protocols are important in the ICU to ensure adequate patient sedation while minimizing complications. They guide clinicians in selecting appropriate agents, titrating doses, and regularly assessing sedation levels, thereby preventing both over-sedation (which prolongs ventilation and ICU stay) and under-sedation (which can cause patient distress and increase the risk of self-extubation).

Question 51: How long must professional records typically be maintained?

According to state and federal regulations, often 7-10 years or longer (Correct answer)
Until the file cabinet is full
For exactly one calendar year
Only until the patient is discharged

Correct answer: According to state and federal regulations, often 7-10 years or longer

Record retention is governed by state and federal laws, with most requiring 7-10 years, and longer for minors.

Question 52: In the SOFA score, a PaO2/FiO2 ratio of less than 100 mmHg with ventilatory support corresponds to which score for the respiratory component?

1
3
2
4 (Correct answer)

Correct answer: 4

A PaO2/FiO2 <100 mmHg with respiratory support scores 4 on the SOFA respiratory component, indicating severe dysfunction.

Question 53: During insertion of a pulmonary artery catheter (PAC), the waveform changes from a right ventricular trace to a pulmonary artery trace. The key feature that distinguishes PA from RV pressure waveform is:

Higher systolic pressure in the PA
Absence of A and V waves in the PA trace
Larger pulse pressure in the PA
Presence of diastolic recoil (dicrotic notch) and elevated diastolic pressure in the PA (Correct answer)

Correct answer: Presence of diastolic recoil (dicrotic notch) and elevated diastolic pressure in the PA

The PA waveform shows a dicrotic notch (pulmonary valve closure) and a higher diastolic pressure (~8–12 mmHg) compared to the RV diastolic pressure (~0–5 mmHg).

Question 54: When setting up prone positioning for a ventilated patient with severe ARDS, the expected improvement in oxygenation is primarily due to:

Decreased airway resistance
Recruitment of dorsal lung units, more homogeneous ventilation-perfusion matching, and improved lymphatic drainage (Correct answer)
Reduced cardiac output and pulmonary blood flow
Increased FRC and diaphragm displacement

Correct answer: Recruitment of dorsal lung units, more homogeneous ventilation-perfusion matching, and improved lymphatic drainage

Prone positioning recruits previously dependent (dorsal) lung units, redistributes perfusion, and homogenises V/Q matching, explaining the consistent improvement in PaO₂/FiO₂.

Question 55: When performing CPR on an adult, what is the recommended compression depth?

At least 4 inches (10 cm)
At least 1 inch (2.5 cm)
At least 2 inches (5 cm) (Correct answer)
At least 3 inches (7.5 cm)

Correct answer: At least 2 inches (5 cm)

Current guidelines recommend chest compressions of at least 2 inches deep for adults to effectively circulate blood.

Question 56: When performing an arterial line insertion via the radial artery, which test is used to assess collateral circulation before cannulation?

Doppler ultrasound only
Buerger's test
Allen's test (Correct answer)
Capillary refill time

Correct answer: Allen's test

Allen's test assesses ulnar collateral flow to the hand before radial artery cannulation, though its predictive value is debated.

Question 57: During renal replacement therapy, pre-dilution fluid replacement compared to post-dilution is associated with:

Higher solute clearance but increased filter lifespan
No significant difference in either parameter
Lower solute clearance but increased filter lifespan (Correct answer)
Higher solute clearance and shorter filter lifespan

Correct answer: Lower solute clearance but increased filter lifespan

Pre-dilution reduces haemoconcentration in the filter, prolonging filter life, but dilutes the blood before filtration, reducing solute clearance efficiency.

Question 58: A septic patient on noradrenaline shows no haemodynamic response despite dose escalation to 1 mcg/kg/min. Adding vasopressin is most useful because:

Vasopressin stimulates beta-1 receptors to augment cardiac output
Sepsis depletes endogenous vasopressin and V1 receptors remain functional on vascular smooth muscle (Correct answer)
It displaces noradrenaline from receptor binding sites to enhance its effect
Vasopressin inhibits angiotensin-converting enzyme, reducing afterload

Correct answer: Sepsis depletes endogenous vasopressin and V1 receptors remain functional on vascular smooth muscle

Vasopressin levels fall in prolonged septic shock while V1 vasopressin receptors on smooth muscle remain responsive, providing a noradrenaline-sparing pressor effect.

Question 59: Which scoring system is most validated for predicting mortality specifically in patients with acute respiratory distress syndrome (ARDS)?

PaO2/FiO2 ratio alone
Murray Lung Injury Score
SOFA respiratory component alone
Berlin Definition severity (Correct answer)

Correct answer: Berlin Definition severity

The Berlin Definition classifies ARDS severity (mild/moderate/severe) by PaO2/FiO2 with PEEP, and each tier correlates with increasing mortality.

Question 60: Ketamine's analgesic and dissociative effects are primarily mediated by:

Mu-opioid receptor agonism
Non-competitive NMDA receptor antagonism (Correct answer)
Alpha-2 adrenoceptor agonism
GABA-A receptor potentiation

Correct answer: Non-competitive NMDA receptor antagonism

Ketamine blocks the open channel of NMDA receptors in a non-competitive, use-dependent manner, producing dissociation and analgesia.

Question 61: Which of the following is a key governance requirement for ICU documentation audits?

Regular prospective and retrospective audits of documentation standards should occur as part of departmental governance (Correct answer)
Audits are the sole responsibility of ward clerks
Audits are only required following a serious incident
Only electronic records need to be audited

Correct answer: Regular prospective and retrospective audits of documentation standards should occur as part of departmental governance

Ongoing documentation audits are a core component of clinical governance to identify systemic gaps and drive quality improvement.

Question 62: In the SBAR communication tool used when handing over ICU patients, what does 'A' stand for?

Assessment (Correct answer)
Allergies
Admission date
Action taken

Correct answer: Assessment

SBAR stands for Situation, Background, Assessment, and Recommendation, with 'A' representing the clinician's assessment of the problem.

Question 63: A patient with hepatic failure is prescribed a drug with high hepatic extraction ratio (E > 0.7). What is the expected pharmacokinetic consequence?

No significant change as renal clearance compensates
Reduced volume of distribution
Markedly increased oral bioavailability due to reduced first-pass effect (Correct answer)
Prolonged elimination half-life only

Correct answer: Markedly increased oral bioavailability due to reduced first-pass effect

High extraction ratio drugs undergo extensive first-pass hepatic metabolism, so liver failure dramatically increases their systemic bioavailability after oral dosing.

Question 64: What is the most critical step before performing any clinical procedure?

Checking the supply inventory
Verifying patient identity and obtaining informed consent (Correct answer)
Reviewing the facility schedule
Updating the electronic record template

Correct answer: Verifying patient identity and obtaining informed consent

Patient identification and informed consent are essential safety measures that must precede any clinical procedure.

Question 65: Which property of a drug most influences its ability to cross the blood-brain barrier?

Large volume of distribution and long half-life
Renal clearance and ionisation at physiological pH
High water solubility and low protein binding
Molecular weight below 500 Da and high lipid solubility (Correct answer)

Correct answer: Molecular weight below 500 Da and high lipid solubility

Drugs penetrate the BBB most readily when they are small, lipophilic, and largely unionised at physiological pH.

Question 66: A patient recovering from ICU delirium expresses shame about hallucinations they experienced. The most therapeutic response from the intensivist is:

Document the episode and defer to the discharge summary
Reassure them the hallucinations were caused by medications and are not a sign of mental illness (Correct answer)
Advise them not to discuss the hallucinations as it may worsen recovery
Refer immediately to psychiatry without addressing the patient's concerns

Correct answer: Reassure them the hallucinations were caused by medications and are not a sign of mental illness

Normalizing ICU delirium by explaining its physiological basis reduces stigma and psychological distress in recovering patients.

Question 67: The analgesic effect of paracetamol (acetaminophen) is thought to be mediated primarily through:

NMDA receptor antagonism in the dorsal horn
Mu-opioid receptor partial agonism in the spinal cord
Inhibition of COX-3 and activation of the descending serotonergic pathway (Correct answer)
COX-1 inhibition in peripheral tissues

Correct answer: Inhibition of COX-3 and activation of the descending serotonergic pathway

Paracetamol inhibits a COX variant in the CNS and activates descending serotonergic/cannabinoid pain-modulating pathways, explaining its central analgesic mechanism.

Question 68: Which of the following BEST describes 'deliberate practice' as it applies to ICM procedural training?

Performing procedures as frequently as possible during busy clinical shifts
Structured repetitive practice with specific performance goals, immediate feedback, and focused error correction (Correct answer)
Watching senior consultants perform procedures without direct participation
Completing simulation exercises once per year at a mandatory training day

Correct answer: Structured repetitive practice with specific performance goals, immediate feedback, and focused error correction

Deliberate practice requires focused repetition with clearly defined goals, immediate corrective feedback, and intentional effort to address weaknesses, not mere repetition.

Question 69: A therapeutic drug monitoring level is taken 6 hours after an IV dose of vancomycin. The result is best described as:

Peak level representing maximum efficacy
An area-under-the-curve surrogate correlating with bactericidal activity (Correct answer)
Neither peak nor trough — timing is too variable to interpret
A trough level used to guide dosing interval

Correct answer: An area-under-the-curve surrogate correlating with bactericidal activity

Modern vancomycin monitoring uses AUC/MIC ratio as the pharmacodynamic target; a mid-interval level can be used to estimate AUC when combined with another sample.

Question 70: Which core safety standard from NHS England mandates that all ICUs have a minimum staffing ratio of one nurse per how many patients for level 3 care?

1:3
1:1 (Correct answer)
1:4
1:2

Correct answer: 1:1

NHS England's Core Standards for Intensive Care Units specify a 1:1 nurse-to-patient ratio for level 3 (ICU) patients.

Question 71: Which of the following most accurately defines 'surrogate decision-maker substituted judgement standard'?

The surrogate applies a utilitarian framework to maximise population-level outcomes
The surrogate makes decisions based on what they personally believe is best for the patient
The surrogate decides based on what the patient would have chosen given their known values and preferences (Correct answer)
The surrogate defers all decisions to the medical team

Correct answer: The surrogate decides based on what the patient would have chosen given their known values and preferences

Substituted judgement requires the surrogate to reconstruct what the patient would have decided, not what the surrogate prefers, prioritising patient autonomy.

Question 72: When performing an emergency surgical airway (cricothyrotomy) in a 'can't intubate, can't oxygenate' scenario, the incision is made through which structure?

Tracheal rings 2–3
Cricotracheal ligament
Cricothyroid membrane (Correct answer)
Thyrohyoid membrane

Correct answer: Cricothyroid membrane

The cricothyroid membrane, located between the thyroid and cricoid cartilages, is the target for emergency cricothyrotomy due to its superficial position and minimal overlying vasculature.

Question 73: Compared with conventional oxygen therapy, high-flow nasal oxygen (HFNO) most notably differs by:

Delivering 100% FiO2 via a tightly sealed non-rebreather mask at 15 L/min
Delivering heated humidified gas at up to 60 L/min, generating modest nasopharyngeal CPAP and reducing anatomical dead space (Correct answer)
Requiring procedural sedation for patient tolerance due to discomfort
Being restricted to post-operative patients following thoracic surgery

Correct answer: Delivering heated humidified gas at up to 60 L/min, generating modest nasopharyngeal CPAP and reducing anatomical dead space

HFNO provides high-flow heated humidified oxygen that washes out nasopharyngeal dead space, generates 1–2 cmH2O CPAP per 10 L/min, and improves patient comfort.

Question 74: Which statement correctly describes the pharmacology of dexmedetomidine?

It primarily acts on mu-opioid receptors, requiring opioid antagonists for reversal
It is a non-selective alpha-adrenoceptor agonist causing paradoxical hypertension
It blocks GABA-A receptors to produce sedation similar to benzodiazepines
It is a selective alpha-2 agonist producing sedation, analgesia, and sympatholysis without respiratory depression (Correct answer)

Correct answer: It is a selective alpha-2 agonist producing sedation, analgesia, and sympatholysis without respiratory depression

Dexmedetomidine selectively agonises central and peripheral alpha-2 adrenoceptors, producing a state of cooperative sedation and analgesia while largely preserving respiratory drive.

Question 75: Which statement accurately describes the pharmacology of tranexamic acid (TXA) in trauma?

TXA directly inhibits thrombin, preventing clot formation
TXA is a lysine analogue that competitively inhibits plasminogen binding to fibrin, reducing fibrinolysis (Correct answer)
TXA blocks platelet GPIIb/IIIa receptors to reduce platelet consumption
TXA activates factor XIII to cross-link fibrin more strongly

Correct answer: TXA is a lysine analogue that competitively inhibits plasminogen binding to fibrin, reducing fibrinolysis

Tranexamic acid mimics lysine and competitively occupies lysine-binding sites on plasminogen, preventing its activation to plasmin and thereby reducing fibrinolysis.

Question 76: During a mass casualty incident in the ICU, the START triage system categorizes a patient who is breathing at 22 breaths/min, has a radial pulse, and can follow commands. What color tag should be assigned?

Green (minor/delayed)
Black (expectant/deceased)
Red (immediate) (Correct answer)
Yellow (delayed)

Correct answer: Red (immediate)

A patient breathing spontaneously, with a radial pulse, and able to follow commands is tagged Red (immediate) under START triage, indicating life-threatening but salvageable injuries.

Question 77: The Emax model of pharmacodynamics predicts that doubling the dose above the EC90 will:

Yield minimal additional effect as the response approaches the maximum (Correct answer)
Produce a proportionally greater increase in effect
Have no effect due to receptor downregulation
Double the pharmacological effect

Correct answer: Yield minimal additional effect as the response approaches the maximum

The sigmoidal Emax model plateaus near the maximum effect; above EC90, the dose–response curve is nearly flat and large dose increases produce little additional benefit.

Question 78: In a patient with suspected pulmonary embolism in the ICU, which finding on point-of-care echocardiography most strongly supports the diagnosis?

Dilated left atrium
Pericardial effusion
Hyperdynamic left ventricle
Right ventricular dilation with septal D-sign (paradoxical septal motion) (Correct answer)

Correct answer: Right ventricular dilation with septal D-sign (paradoxical septal motion)

RV dilation with flattening and paradoxical motion of the interventricular septum (D-sign) is a hallmark of acute cor pulmonale from massive PE.

Question 79: Which body provides the primary professional standards framework for intensivists practising in the UK?

The Care Quality Commission (CQC)
The General Medical Council (GMC) (Correct answer)
NHS England
The Faculty of Intensive Care Medicine (FICM)

Correct answer: The General Medical Council (GMC)

The GMC sets the overarching professional standards for all registered doctors in the UK, including those practising intensive care medicine.

Question 80: What is the primary benefit of chlorhexidine gluconate (CHG) daily bathing in ICU patients?

Eradicates MRSA nasal carriage
Eliminates Clostridium difficile spores on skin
Prevents ventilator-associated pneumonia directly
Reduces healthcare-associated bloodstream infections (Correct answer)

Correct answer: Reduces healthcare-associated bloodstream infections

Daily CHG bathing reduces skin bacterial burden and is associated with decreased rates of central line-associated bloodstream infections (CLABSIs).

Question 81: A patient with a known advance directive refusing intubation is admitted unconscious following a drug overdose. The most appropriate action is:

Review the advance directive's scope, consult the next of kin, and apply clinical judgment about reversibility before proceeding (Correct answer)
Follow the directive without any further review
Defer the decision to the on-call ethics consultant before any intervention
Intubate immediately as the overdose may be reversible and the directive may not apply

Correct answer: Review the advance directive's scope, consult the next of kin, and apply clinical judgment about reversibility before proceeding

Advance directives require contextual interpretation; their applicability to a potentially reversible overdose must be carefully assessed with family and clinical judgment.

Question 82: According to the ARDSNet protocol, what tidal volume is recommended for lung-protective ventilation in ARDS?

12 ml/kg predicted body weight
10 ml/kg actual body weight
8 ml/kg ideal body weight
6 ml/kg predicted body weight (Correct answer)

Correct answer: 6 ml/kg predicted body weight

The ARDSNet protocol recommends 6 ml/kg predicted body weight, reducible to 4 ml/kg if needed to keep plateau pressure ≤30 cmH2O.

Question 83: A mechanically ventilated patient with a tracheostomy is attempting to communicate distress. Which augmentative and alternative communication (AAC) strategy should be trialed first?

Ask family members to interpret all patient needs
Immediately sedate the patient to reduce agitation
Wait until the patient is extubated before attempting communication
Offer a simple yes/no head-nod system before progressing to letter boards (Correct answer)

Correct answer: Offer a simple yes/no head-nod system before progressing to letter boards

A hierarchical AAC approach starting with simple yes/no signals minimizes patient frustration and is the recommended first step in ICU communication.

Question 84: What is the core ethical concern with using social media to discuss ICU cases, even without naming the patient?

Contextual details may render a patient identifiable, breaching confidentiality (Correct answer)
It is only prohibited if the post is made during working hours
It violates hospital IT policy
There is no ethical concern if the post receives no public engagement

Correct answer: Contextual details may render a patient identifiable, breaching confidentiality

Even anonymised descriptions can allow identification through contextual clues; maintaining confidentiality requires avoiding any identifiable information on social media.

Question 85: Which condition is the most common cause of community-acquired bacterial meningitis requiring ICU admission in adults?

Haemophilus influenzae
Listeria monocytogenes
Streptococcus pneumoniae (Correct answer)
Neisseria meningitidis

Correct answer: Streptococcus pneumoniae

Streptococcus pneumoniae (pneumococcal meningitis) is the most common cause of bacterial meningitis in adults and carries the highest mortality among common pathogens.

Question 86: Which clinical scoring tool is specifically validated for predicting ICU mortality and incorporates chronic health evaluation points?

qSOFA
APACHE II (Correct answer)
MEWS
NEWS2

Correct answer: APACHE II

APACHE II (Acute Physiology and Chronic Health Evaluation II) was designed and validated to predict ICU mortality and includes chronic health comorbidity points.

Question 87: A patient with suspected carbon monoxide poisoning has an SpO2 of 99% on pulse oximetry but a cherry-red skin appearance and altered mental status. What explains the discrepancy and what is the correct treatment?

Methemoglobinemia; administer methylene blue
Polycythemia vera; perform urgent phlebotomy
Cyanide poisoning; administer hydroxocobalamin
The pulse oximeter cannot distinguish oxyhemoglobin from carboxyhemoglobin; administer 100% normobaric O2 immediately (Correct answer)

Correct answer: The pulse oximeter cannot distinguish oxyhemoglobin from carboxyhemoglobin; administer 100% normobaric O2 immediately

Standard pulse oximetry reads carboxyhemoglobin as oxyhemoglobin, giving a falsely normal SpO2; treatment is 100% oxygen to accelerate CO dissociation (or hyperbaric O2 if available and indicated).

Question 88: Non-depolarising neuromuscular blocking agents are monitored at the adductor pollicis. Which train-of-four (TOF) ratio confirms adequate reversal before extubation?

TOF ratio ≥ 0.9 (Correct answer)
Sustained tetanus at 50 Hz for 5 seconds
TOF ratio ≥ 0.7
Presence of at least 2 twitches

Correct answer: TOF ratio ≥ 0.9

A TOF ratio ≥ 0.9 at the adductor pollicis is the current standard for confirming adequate neuromuscular recovery before extubation.

Question 89: A trainee performing well technically receives poor scores on professional behaviour from nursing colleagues. Under FICM's competency framework, this would MOST likely affect which domain?

Clinical assessment and management
Resuscitation and patient safety
Professional behaviour and research (Correct answer)
Leadership and management

Correct answer: Professional behaviour and research

Professional behaviour, including interprofessional communication and conduct, is a specific and separately assessed domain in the FICM competency framework.

Question 90: What is active listening in professional communication?

Waiting for your turn to speak while planning your response
Fully concentrating on and understanding the speakers message before responding (Correct answer)
Asking as many questions as possible during the conversation
Taking detailed notes without making eye contact

Correct answer: Fully concentrating on and understanding the speakers message before responding

Active listening involves giving full attention to the speaker, understanding their message, and providing appropriate feedback.

Question 91: The FICM and RCoA joint curriculum for ICM training requires trainees to demonstrate competence in which quality improvement methodology as a core skill?

Six Sigma Black Belt certification
Root cause analysis is optional
Lean manufacturing principles only
Plan-Do-Study-Act (PDSA) cycles (Correct answer)

Correct answer: Plan-Do-Study-Act (PDSA) cycles

FICM/RCoA curricula require trainees to understand and apply PDSA cycles as the foundational methodology for quality improvement projects.

Question 92: During central venous catheter insertion via the right internal jugular vein, ultrasound guidance is recommended primarily because it:

Allows real-time pressure monitoring
Reduces arterial puncture and overall complication rates (Correct answer)
Enables simultaneous blood sampling
Eliminates the need for post-procedure chest X-ray

Correct answer: Reduces arterial puncture and overall complication rates

NICE guidance and evidence consistently show ultrasound guidance significantly reduces arterial puncture, haematoma, and failed cannulation rates.

Question 93: The 2021 AHA/ACC and European Resuscitation Council guidelines recommend which target for post-cardiac arrest targeted temperature management (TTM) in comatose survivors?

32–34°C for 24 hours
A constant temperature of 36°C for 24 hours
Preventing fever (>37.7°C) while avoiding active cooling below 36°C (Correct answer)
Active cooling to 28–30°C for 48 hours

Correct answer: Preventing fever (>37.7°C) while avoiding active cooling below 36°C

Following the TTM2 trial (2021), guidelines shifted to fever prevention (keeping temperature ≤37.7°C) rather than mandatory active cooling to 33°C or 36°C.

Question 94: Which document most clearly represents a patient's prospective autonomous wishes about future critical care treatment?

A next-of-kin contact form
A DNACPR order signed by the consultant
An advance decision to refuse treatment (ADRT) (Correct answer)
A GP referral letter

Correct answer: An advance decision to refuse treatment (ADRT)

An ADRT is a legally binding document in which a competent adult specifies treatments they wish to refuse if they later lose capacity.

Question 95: The loading dose of a drug is primarily determined by:

Bioavailability and first-pass metabolism
Protein binding and renal function
Volume of distribution and target plasma concentration (Correct answer)
Clearance and desired effect duration

Correct answer: Volume of distribution and target plasma concentration

Loading dose = (Volume of distribution × Target plasma concentration) / Bioavailability, making Vd the dominant determinant.

Question 96: Which clinical feature most reliably differentiates neurogenic pulmonary edema from cardiogenic pulmonary edema in a head-injured patient?

Elevated BNP level
Frothy pink sputum
Temporal association with central nervous system injury (Correct answer)
Bilateral infiltrates on chest X-ray

Correct answer: Temporal association with central nervous system injury

Neurogenic pulmonary edema characteristically develops rapidly after a CNS insult (e.g., SAH, TBI) in the absence of primary cardiac disease.

Question 97: Which of the following is an example of formative assessment in ICM training?

An end-of-year ARCP panel decision
The FFICM Part One written examination
Submission of the final e-portfolio to FICM
A mini-CEX completed mid-rotation with immediate feedback (Correct answer)

Correct answer: A mini-CEX completed mid-rotation with immediate feedback

A mini-CEX conducted during training with immediate developmental feedback is a formative assessment because it is designed to support learning rather than make a pass/fail decision.

Question 98: Which parameter is measured by a pulmonary artery catheter to assess left heart preload?

Cardiac output
Central venous pressure
Pulmonary artery systolic pressure
Pulmonary artery wedge pressure (Correct answer)

Correct answer: Pulmonary artery wedge pressure

Pulmonary artery wedge pressure (PAWP) reflects left atrial pressure and is used as a surrogate for left ventricular end-diastolic pressure.

Question 99: What does intrinsic PEEP (auto-PEEP) result from in mechanically ventilated patients?

Circuit disconnection
Excessive inspiratory flow rate
High FiO2 delivery
Incomplete exhalation before the next breath (Correct answer)

Correct answer: Incomplete exhalation before the next breath

Auto-PEEP occurs when the expiratory time is insufficient for complete lung emptying, trapping air and creating inadvertent positive end-expiratory pressure.

Question 100: Which bedside test most rapidly confirms correct endotracheal tube placement in a pulsatile cardiac arrest patient where end-tidal CO2 may be unreliable?

Auscultation of bilateral breath sounds
Esophageal detector device (bulb or syringe aspiration test) (Correct answer)
Chest rise visualization
Pulse oximetry waveform

Correct answer: Esophageal detector device (bulb or syringe aspiration test)

The esophageal detector device (EDD) uses negative pressure to detect esophageal vs. tracheal placement and is reliable even in cardiac arrest when ETCO2 waveform may be absent due to lack of perfusion.

Question 101: Which element of the NURSE mnemonic is being used when a clinician says, 'I can only imagine how frightening this uncertainty must be for you'?

Empathizing (Correct answer)
Normalizing
Understanding
Respecting

Correct answer: Empathizing

The statement directly acknowledges and validates the family member's emotional experience, which is the core of the Empathizing element.

Question 102: Veno-venous ECMO is typically considered in ARDS patients when:

PaO2/FiO2 <80 mmHg despite optimal conventional management including prone positioning (Correct answer)
PaO2/FiO2 <200 mmHg at initial presentation to the ICU
Bilateral pneumonia is confirmed on CT thorax with culture-positive BAL
The patient requires more than two vasopressor agents for haemodynamic support

Correct answer: PaO2/FiO2 <80 mmHg despite optimal conventional management including prone positioning

ECMO rescue is considered for severe refractory hypoxaemia (PaO2/FiO2 <80 mmHg) after optimising conventional management, as demonstrated in CESAR and EOLIA trials.

Question 103: What does the term "half-life" refer to in pharmacology?

The point at which a drug reaches maximum effectiveness
The time until the drug expires
The time between two doses
The time it takes for the drug concentration to decrease by 50% (Correct answer)

Correct answer: The time it takes for the drug concentration to decrease by 50%

Half-life is the time required for the plasma concentration of a drug to decrease by one-half, affecting dosing schedules.

Question 104: A patient in the ICU lacks capacity. Who should be consulted regarding decisions documented in the medical record?

The patient's GP only
Those close to the patient and any legally appointed proxy decision-maker (Correct answer)
Next of kin as the legal decision-maker
The hospital ethics committee only

Correct answer: Those close to the patient and any legally appointed proxy decision-maker

Under the Mental Capacity Act, clinicians must consult those close to the patient and any legally appointed attorney or deputy when documenting best-interest decisions.

Question 105: What is the primary goal of the mentorship model in Intensive Care Medicine training?

To promote independent research
To develop interpersonal skills
To facilitate learning from experienced intensivists (Correct answer)
To enhance theoretical knowledge

Correct answer: To facilitate learning from experienced intensivists

The mentorship model in Intensive Care Medicine training aims to pair trainees with experienced intensivists who provide guidance, support, and practical wisdom. This direct relationship allows trainees to learn from real-world clinical experience, develop professional skills, and navigate the challenges of critical care under expert supervision. It fosters professional growth and clinical excellence.

Question 106: Which assessment tool is most commonly used to evaluate cognitive function?

Visual Analog Scale (VAS)
Body Mass Index (BMI)
Mini-Mental State Examination (MMSE) (Correct answer)
Glasgow Coma Scale only

Correct answer: Mini-Mental State Examination (MMSE)

The MMSE is widely used to screen for cognitive impairment and track changes in cognitive function over time.

Question 107: Why is it important to check for drug allergies before administration?

To determine the correct billing code
To satisfy pharmacy inventory requirements
To complete insurance paperwork
To prevent potentially life-threatening allergic reactions (Correct answer)

Correct answer: To prevent potentially life-threatening allergic reactions

Checking allergies prevents serious reactions including anaphylaxis, which can be fatal if not identified beforehand.

Question 108: Which tool is used at ICU discharge to assess the functional impairment attributable to critical illness?

ICU Mobility Scale
PICS Assessment Tool
Functional Independence Measure (FIM) (Correct answer)
SF-36

Correct answer: Functional Independence Measure (FIM)

The Functional Independence Measure (FIM) assesses 18 domains of self-care and mobility and is widely used to quantify functional outcomes at ICU discharge.

Question 109: What is the difference between a side effect and an adverse reaction?

Side effects are expected; adverse reactions are harmful and unexpected (Correct answer)
Side effects are more serious than adverse reactions
Adverse reactions only occur with overdoses
They are identical terms

Correct answer: Side effects are expected; adverse reactions are harmful and unexpected

Side effects are predictable secondary effects, while adverse reactions are unexpected harmful responses to medication.

Question 110: Which physiological scoring system was designed specifically for neonatal and pediatric ICU patients rather than adults?

SAPS II
PRISM III (Pediatric Risk of Mortality) (Correct answer)
APACHE III
SOFA

Correct answer: PRISM III (Pediatric Risk of Mortality)

PRISM III (Pediatric Risk of Mortality) was developed and validated for PICU patients using age-specific physiological thresholds.

Question 111: Which communication technique is most effective for verifying understanding?

Nodding and saying "I understand"
Asking the person to explain the information back in their own words (Correct answer)
Repeating the same information louder
Providing written instructions only

Correct answer: Asking the person to explain the information back in their own words

The teach-back method confirms understanding by having the person explain the information in their own words.

Question 112: A patient who is alert but intubated becomes increasingly agitated. After ruling out medical causes, the most appropriate initial communication intervention is:

Defer all communication to the next family visit
Restrain the patient to prevent self-extubation
Increase sedation to RASS -3
Establish a reliable yes/no signaling method and assess for pain and anxiety (Correct answer)

Correct answer: Establish a reliable yes/no signaling method and assess for pain and anxiety

Establishing a reliable communication channel addresses the root cause of agitation in alert intubated patients before escalating sedation.

Question 113: Which of the following is the primary focus of education in Intensive Care Medicine training programs?

Management of life-threatening conditions (Correct answer)
Basic first aid techniques
Routine outpatient care
Rehabilitation therapy

Correct answer: Management of life-threatening conditions

Intensive Care Medicine (ICM) training programs are specifically designed to equip trainees with the advanced knowledge and skills required to manage critically ill patients. The primary focus is on diagnosing and treating life-threatening conditions, ensuring organ support, and making complex medical decisions in high-stakes environments. This specialized training prepares intensivists for the unique challenges of critical care.

Question 114: A patient on mechanical ventilation develops a sudden rise in peak airway pressure with unchanged plateau pressure. The most likely cause is:

Increased airway resistance (e.g., bronchospasm or secretions) (Correct answer)
Worsening lung compliance (e.g., new pneumonia)
Auto-PEEP
Pneumothorax

Correct answer: Increased airway resistance (e.g., bronchospasm or secretions)

A rise in peak pressure with unchanged plateau pressure indicates increased airway resistance, such as bronchospasm, secretions, or kinked ETT.

Question 115: What is the primary purpose of maintaining sterile technique during procedures?

To prevent infection and cross-contamination (Correct answer)
To comply with facility aesthetics
To reduce equipment costs
To speed up the procedure time

Correct answer: To prevent infection and cross-contamination

Sterile technique prevents the introduction of pathogens, reducing the risk of infection and protecting patient safety.

Question 116: In a Bayesian adaptive platform trial for critical care, what does the posterior probability represent?

The updated probability of a hypothesis after incorporating prior knowledge and observed data (Correct answer)
The likelihood ratio of positive to negative findings
The p-value converted to a probability scale
The probability of an event given no prior information

Correct answer: The updated probability of a hypothesis after incorporating prior knowledge and observed data

The posterior probability combines the prior distribution (pre-existing belief) with the likelihood of the observed data to yield an updated probability of the hypothesis being true.

Question 117: What is emphasized in the guidelines for managing sepsis in the ICU?

Avoiding invasive procedures
Limiting oxygen therapy
Delaying antibiotics until diagnosis confirmation
Prompt antibiotics and fluid resuscitation (Correct answer)

Correct answer: Prompt antibiotics and fluid resuscitation

Guidelines for managing sepsis in the ICU, such as those from the Surviving Sepsis Campaign, strongly emphasize prompt antibiotics and fluid resuscitation. Early recognition and immediate intervention with broad-spectrum antibiotics and aggressive fluid therapy are critical to restoring perfusion and combating infection, as delays in these steps significantly increase mortality in septic patients.

Question 118: Which pharmacodynamic parameter is most predictive of beta-lactam antibiotic efficacy?

Area under the concentration–time curve / MIC (AUC/MIC)
Total daily dose administered
Time above MIC (%T>MIC) (Correct answer)
Peak concentration / MIC ratio (Cmax/MIC)

Correct answer: Time above MIC (%T>MIC)

Beta-lactams exhibit time-dependent bactericidal activity; efficacy correlates with the proportion of the dosing interval during which free drug concentration exceeds the MIC.

Question 119: A patient with diabetic ketoacidosis has the following results: Na⁺ 130 mEq/L, glucose 600 mg/dL. What is the corrected serum sodium?

142 mEq/L (Correct answer)
138 mEq/L
130 mEq/L — no correction needed
150 mEq/L

Correct answer: 142 mEq/L

Corrected Na⁺ = measured Na⁺ + 1.6 × [(glucose − 100)/100] = 130 + 1.6 × 5 = 138; using the Katz correction of 2.4 mEq/L per 100 mg/dL gives 130 + 12 = 142 mEq/L (Hillier formula).

Question 120: Which ethical principle underpins the concept of informed consent in intensive care?

Beneficence
Autonomy (Correct answer)
Justice
Non-maleficence

Correct answer: Autonomy

Autonomy — the right of competent individuals to make their own decisions — is the core ethical principle underlying informed consent.

Question 121: According to FICM training requirements, how many units of supervised learning events (SLEs) should a typical ICM core trainee aim to complete per year?

At least 5
At least 20 (Correct answer)
At least 12
At least 50

Correct answer: At least 20

FICM recommends at least 20 SLEs per year to provide sufficient evidence of clinical competence across diverse situations.

Question 122: A subclavian central venous catheter is inserted and the post-procedure chest X-ray shows the tip at the junction of the SVC and right atrium. The appropriate action is:

Request echocardiogram to confirm position
Withdraw catheter 2–3 cm immediately
This is an acceptable position — proceed with use (Correct answer)
Reposition to mid-SVC before use

Correct answer: This is an acceptable position — proceed with use

The SVC–right atrial junction (cavoatrial junction) is the recommended optimal tip position for CVCs according to current UK guidelines.

Question 123: What is the role of infection control guidelines in ICU settings?

To prevent healthcare-associated infections (Correct answer)
To promote rapid discharge
To reduce antibiotic use
To avoid invasive procedures

Correct answer: To prevent healthcare-associated infections

The role of infection control guidelines in ICU settings is paramount to prevent healthcare-associated infections (HAIs). Critically ill patients are highly vulnerable, so these guidelines enforce practices like rigorous hand hygiene, proper use of personal protective equipment, environmental cleaning, and sterile techniques for invasive procedures, all aimed at minimizing pathogen transmission and protecting patients.

Question 124: Which statement about propofol pharmacokinetics in critically ill patients is correct?

Propofol has a narrow therapeutic window with predictable plasma concentrations
Its large volume of distribution means context-sensitive half-time rises markedly with prolonged infusions (Correct answer)
Clearance is primarily renal and unaffected by hepatic dysfunction
Albumin binding is minimal, making free fraction stable in critical illness

Correct answer: Its large volume of distribution means context-sensitive half-time rises markedly with prolonged infusions

Propofol's high lipophilicity and large Vd cause redistribution from deep tissue compartments after prolonged infusions, markedly increasing context-sensitive half-time.

Question 125: Which property of inhaled anaesthetic agents is best predicted by the oil-gas partition coefficient?

Pulmonary elimination half-life
Speed of onset and offset
Minimum alveolar concentration (MAC) (Correct answer)
Degree of hepatic metabolism

Correct answer: Minimum alveolar concentration (MAC)

MAC correlates inversely with the oil-gas partition coefficient (lipid solubility), consistent with the Meyer-Overton hypothesis of anaesthetic potency.

Question 126: An ICU patient had an advance decision to refuse treatment (ADRT) made prior to admission. How should this be handled in the record?

Seek a new capacity assessment to override it
File it separately from the medical record
Verify its validity, document its existence and contents, and apply it if it is valid and applicable to the current situation (Correct answer)
Disregard it as it predates the current admission

Correct answer: Verify its validity, document its existence and contents, and apply it if it is valid and applicable to the current situation

A valid, applicable ADRT is legally binding and must be documented prominently in the record with evidence of verification of its validity.

Question 127: What are the "Five Rights" of medication administration?

Right patient, right color, right dose, right route, right time
Right patient, right drug, right dose, right route, right time (Correct answer)
Right patient, right drug, right dose, right speed, right time
Right patient, right drug, right cost, right route, right form

Correct answer: Right patient, right drug, right dose, right route, right time

The Five Rights are a fundamental safety framework for medication administration to prevent errors.

Question 128: An ICU patient with moderate depression expresses a wish to refuse intubation. How should capacity for this decision be assessed?

Capacity is decision-specific; assess the patient's ability to understand, retain, use, and communicate information about intubation (Correct answer)
Depression automatically negates capacity so the patient's refusal can be overridden
Refer to psychiatry before any capacity determination can be made
Accept the refusal at face value without formal assessment

Correct answer: Capacity is decision-specific; assess the patient's ability to understand, retain, use, and communicate information about intubation

Capacity is decision-specific and time-specific; even a patient with depression may retain capacity for a specific treatment decision if they meet the four-stage test.

Question 129: Which occupational health measure is specifically recommended for ICU staff working with patients on varicella-zoster airborne precautions?

Mandatory antiviral prophylaxis for all staff
Fit-testing for N95 respirators only
Confirming immune status (vaccination or serology) before patient contact (Correct answer)
Double-gloving for all patient contact

Correct answer: Confirming immune status (vaccination or serology) before patient contact

Non-immune staff should not care for patients with active varicella or disseminated zoster; immune status must be confirmed before assignment.

Question 130: Which ethical framework explicitly balances four principles — autonomy, beneficence, non-maleficence, and justice — and is widely used in clinical ethics teaching?

Care ethics
Principlism (Beauchamp and Childress) (Correct answer)
Contractarianism
Virtue ethics

Correct answer: Principlism (Beauchamp and Childress)

Principlism, developed by Beauchamp and Childress in 'Principles of Biomedical Ethics', provides the four-principle framework widely used in clinical and research ethics.

Question 131: What is a drug contraindication?

A type of allergic reaction
A reason to increase the dosage
A drug interaction that enhances effectiveness
A condition that makes a particular treatment inadvisable (Correct answer)

Correct answer: A condition that makes a particular treatment inadvisable

A contraindication is a specific situation where a drug should not be used because it may cause harm.

Fellowship of the Faculty of Intensive Care Medicine (FFICM) — Final MCQ Examination

The FFICM Final MCQ is a UK postgraduate licensing examination for intensive care medicine trainees, assessing breadth of factual knowledge across applied sciences, critical care management, and professional practice through 130 single best answer questions weighted by marks.

130

Questions

180 min

Time Limit

70%

To Pass

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