PCAT Verbal Ability 2 — Questions and Answers
Question 1: The term 'contraindicated' means a drug should:
- Be used with caution
- Not be used in a given situation (Correct answer)
- Be given in lower doses
- Be combined with another drug
Correct answer: Not be used in a given situation
Contraindicated means a drug should not be used because it may cause harm in a particular patient or situation.
Question 2: 'Pharmacokinetics' refers to:
- The study of drug effects on the body
- How the body processes a drug over time (Correct answer)
- Drug-drug interactions at receptor sites
- The development and testing of new drugs
Correct answer: How the body processes a drug over time
Pharmacokinetics describes how the body absorbs, distributes, metabolizes, and excretes a drug (ADME).
Question 3: The word 'etiology' refers to:
- The treatment of a disease
- The study of disease prevalence
- The cause or origin of a disease (Correct answer)
- The spread of disease through a population
Correct answer: The cause or origin of a disease
Etiology is the study of the cause or origin of a disease or condition.
Question 4: A 'placebo' is best described as:
- A highly potent drug with narrow dosing
- An inactive substance used as a control in trials (Correct answer)
- A generic version of a brand-name drug
- A fast-acting emergency medication
Correct answer: An inactive substance used as a control in trials
A placebo is an inert substance given to a control group in clinical trials to compare against an active drug.
Question 5: 'Idiopathic' means a disease or condition:
- Spreads easily from person to person
- Arises from an unknown or self-originating cause (Correct answer)
- Affects only the pediatric population
- Responds readily to standard treatment
Correct answer: Arises from an unknown or self-originating cause
Idiopathic describes a disease that arises spontaneously or from an unknown cause.
Question 6: The term 'bioavailability' refers to:
- The toxicity potential of a drug at high doses
- The fraction of an administered drug that reaches systemic circulation unchanged (Correct answer)
- The speed at which a drug produces its maximum effect
- The chemical stability of a drug during storage
Correct answer: The fraction of an administered drug that reaches systemic circulation unchanged
Bioavailability is the proportion of a drug that enters the bloodstream and is available to exert its pharmacological effect.
Question 7: 'Synergistic' drug effects occur when:
- Two drugs cancel out each other's effects entirely
- One drug reduces the effectiveness of the other
- Two drugs together produce an effect greater than either alone (Correct answer)
- A drug acts faster than the standard pharmacological expectation
Correct answer: Two drugs together produce an effect greater than either alone
Synergism describes two drugs whose combined effect is greater than the sum of their individual effects.
The term 'contraindicated' means a drug should: