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 · Toxicology

Sample item

What antidote reverses opioid respiratory depression?

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

The answer and the reasoning

A. Naloxone

Naloxone is a competitive opioid receptor antagonist used with airway and ventilation support to reverse opioid-induced respiratory depression.

Option by option

  • A. Naloxone (correct)

    Correct: naloxone antagonizes opioid receptors.

  • B. Vitamin K

    Vitamin K reverses vitamin K antagonist effects.

  • C. Pralidoxime

    Pralidoxime reactivates acetylcholinesterase in organophosphate poisoning.

  • D. Atropine

    Atropine treats muscarinic effects and selected bradycardias.

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 A, Naloxone. Naloxone is a competitive opioid receptor antagonist used with airway and ventilation support to reverse opioid-induced respiratory depression.

Why is "Vitamin K" not the answer?

Vitamin K reverses vitamin K antagonist effects.

Why is "Pralidoxime" not the answer?

Pralidoxime reactivates acetylcholinesterase in organophosphate poisoning.

Why is "Atropine" not the answer?

Atropine treats muscarinic effects and selected bradycardias.

What concept does this question test?

It tests Toxicology in Forensic Medicine. The correct option holds because: Correct: naloxone antagonizes opioid receptors.

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 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.