CNS drugs: 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 · CNS drugs

Sample item

Which adverse effect is associated with antipsychotic dopamine D2 blockade?

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

The answer and the reasoning

A. Acute dystonia

D2 blockade in nigrostriatal pathways can produce extrapyramidal effects including acute dystonia, parkinsonism, akathisia, and tardive dyskinesia.

Option by option

  • A. Acute dystonia (correct)

    Correct: acute dystonia is an extrapyramidal adverse effect.

  • B. Permanent bronchodilation

    Bronchodilation is not an antipsychotic action.

  • C. Hyperthyroidism

    Thyroid excess is not a typical D2-blockade effect.

  • D. Peptic ulcer healing

    Ulcer healing is unrelated.

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 A, Acute dystonia. D2 blockade in nigrostriatal pathways can produce extrapyramidal effects including acute dystonia, parkinsonism, akathisia, and tardive dyskinesia.

Why is "Permanent bronchodilation" not the answer?

Bronchodilation is not an antipsychotic action.

Why is "Hyperthyroidism" not the answer?

Thyroid excess is not a typical D2-blockade effect.

Why is "Peptic ulcer healing" not the answer?

Ulcer healing is unrelated.

What concept does this question test?

It tests CNS drugs in Pharmacology. The correct option holds because: Correct: acute dystonia is an extrapyramidal adverse effect.

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 CNS drugs?

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.