Forensic toxicology: practice question

A Forensic Medicine 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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Forensic Medicine · Forensic toxicology

Sample item

Which antidote reverses clinically significant opioid-induced respiratory depression?

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

The answer and the reasoning

B. Naloxone

Naloxone competitively antagonizes opioid receptors and can reverse opioid-related respiratory depression while airway and ventilation are supported.

Option by option

  • A. Atropine

    Atropine blocks muscarinic receptors.

  • B. Naloxone (correct)

    Correct: naloxone is the opioid receptor antagonist.

  • C. Protamine

    Protamine reverses heparin anticoagulation.

  • D. Flumazenil

    Flumazenil antagonizes benzodiazepine effects.

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 Forensic Medicine questions

Questions about this Forensic Medicine question

What is the answer to this Forensic Medicine question?

The best answer is B, Naloxone. Naloxone competitively antagonizes opioid receptors and can reverse opioid-related respiratory depression while airway and ventilation are supported.

Why is "Atropine" not the answer?

Atropine blocks muscarinic receptors.

Why is "Protamine" not the answer?

Protamine reverses heparin anticoagulation.

Why is "Flumazenil" not the answer?

Flumazenil antagonizes benzodiazepine effects.

What concept does this question test?

It tests Forensic toxicology in Forensic Medicine. The correct option holds because: Correct: naloxone is the opioid receptor antagonist.

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 Forensic toxicology?

Learn postmortem changes with their timelines, and toxicology as poison, sign, test and antidote. Then use the flashcards and the other Forensic Medicine 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.