Autonomic pharmacology: 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 · Autonomic pharmacology

Sample item

What is a common effect of beta-1 receptor blockade?

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

The answer and the reasoning

B. Reduced cardiac rate and contractility

Beta-1 receptor blockade reduces sinoatrial rate and myocardial contractility, explaining its use in several cardiovascular conditions.

Option by option

  • A. Increased salivation

    Increased salivation is a muscarinic effect.

  • B. Reduced cardiac rate and contractility (correct)

    Correct: beta-1 blockade slows the heart and reduces contractility.

  • C. Mydriasis

    Mydriasis is mainly an alpha-1 effect.

  • D. Bronchodilation

    Bronchodilation is produced by beta-2 stimulation.

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 B, Reduced cardiac rate and contractility. Beta-1 receptor blockade reduces sinoatrial rate and myocardial contractility, explaining its use in several cardiovascular conditions.

Why is "Increased salivation" not the answer?

Increased salivation is a muscarinic effect.

Why is "Mydriasis" not the answer?

Mydriasis is mainly an alpha-1 effect.

Why is "Bronchodilation" not the answer?

Bronchodilation is produced by beta-2 stimulation.

What concept does this question test?

It tests Autonomic pharmacology in Pharmacology. The correct option holds because: Correct: beta-1 blockade slows the heart and reduces contractility.

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 Autonomic pharmacology?

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.