Pharmacokinetics: practice question

A Pharmacology question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Pharmacology · Pharmacokinetics

Sample item

What does clearance describe for a drug?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

D. Volume of plasma cleared per unit time

Drug clearance is the theoretical volume of plasma from which drug is completely removed per unit time by renal, hepatic, or other elimination pathways.

Option by option

  • A. Fraction bound to receptor

    Receptor binding concerns pharmacodynamics, not clearance.

  • B. Maximum effect

    Maximum effect describes efficacy.

  • C. Time to tablet dissolution

    Tablet dissolution is a formulation property.

  • D. Volume of plasma cleared per unit time (correct)

    Correct: clearance is expressed as volume per unit time.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

More Pharmacology questions

Questions about this Pharmacology question

What is the answer to this Pharmacology question?

The best answer is D, Volume of plasma cleared per unit time. Drug clearance is the theoretical volume of plasma from which drug is completely removed per unit time by renal, hepatic, or other elimination pathways.

Why is "Fraction bound to receptor" not the answer?

Receptor binding concerns pharmacodynamics, not clearance.

Why is "Maximum effect" not the answer?

Maximum effect describes efficacy.

Why is "Time to tablet dissolution" not the answer?

Tablet dissolution is a formulation property.

What concept does this question test?

It tests Pharmacokinetics in Pharmacology. The correct option holds because: Correct: clearance is expressed as volume per unit time.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Pharmacokinetics?

Learn drugs as classes, then the exception in each class that an examiner would pick. Then use the flashcards and the other Pharmacology questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.