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 toxidrome includes dry mouth, mydriasis, and urinary retention?

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

The answer and the reasoning

D. Anticholinergic toxidrome

Anticholinergic poisoning reduces parasympathetic activity and can produce dry skin, dilated pupils, tachycardia, delirium, and urinary retention.

Option by option

  • A. Sedative-hypnotic toxidrome

    Sedatives more often cause CNS depression without dry mydriasis.

  • B. Opioid toxidrome

    Opioids usually cause miosis and respiratory depression.

  • C. Cholinergic toxidrome

    Cholinergic toxicity causes salivation and miosis.

  • D. Anticholinergic toxidrome (correct)

    Correct: parasympathetic blockade creates this pattern.

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.

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Questions about this Forensic Medicine question

What is the answer to this Forensic Medicine question?

The best answer is D, Anticholinergic toxidrome. Anticholinergic poisoning reduces parasympathetic activity and can produce dry skin, dilated pupils, tachycardia, delirium, and urinary retention.

Why is "Sedative-hypnotic toxidrome" not the answer?

Sedatives more often cause CNS depression without dry mydriasis.

Why is "Opioid toxidrome" not the answer?

Opioids usually cause miosis and respiratory depression.

Why is "Cholinergic toxidrome" not the answer?

Cholinergic toxicity causes salivation and miosis.

What concept does this question test?

It tests Forensic toxicology in Forensic Medicine. The correct option holds because: Correct: parasympathetic blockade creates this pattern.

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.