Emergency 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 · Emergency drugs

Sample item

What is the principal action of intramuscular adrenaline in anaphylaxis?

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

The answer and the reasoning

C. Reverse airway oedema, bronchospasm, and vasodilation

Adrenaline acts through alpha and beta receptors to reduce mucosal oedema, bronchodilate, support blood pressure, and limit mediator release.

Option by option

  • A. Replace intravenous fluids

    Fluids may still be required.

  • B. Block histamine synthesis permanently

    It does not permanently stop histamine synthesis.

  • C. Reverse airway oedema, bronchospasm, and vasodilation (correct)

    Correct: combined alpha and beta effects treat life-threatening physiology.

  • D. Provide long-term allergen desensitization

    It is emergency treatment, not desensitization.

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 C, Reverse airway oedema, bronchospasm, and vasodilation. Adrenaline acts through alpha and beta receptors to reduce mucosal oedema, bronchodilate, support blood pressure, and limit mediator release.

Why is "Replace intravenous fluids" not the answer?

Fluids may still be required.

Why is "Block histamine synthesis permanently" not the answer?

It does not permanently stop histamine synthesis.

Why is "Provide long-term allergen desensitization" not the answer?

It is emergency treatment, not desensitization.

What concept does this question test?

It tests Emergency drugs in Pharmacology. The correct option holds because: Correct: combined alpha and beta effects treat life-threatening physiology.

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 Emergency 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.