Malignant hyperthermia: practice question

A Anaesthesia 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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Anaesthesia · Malignant hyperthermia

Sample item

What specific drug is used to treat malignant hyperthermia?

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

The answer and the reasoning

D. Dantrolene

Dantrolene reduces calcium release from skeletal-muscle sarcoplasmic reticulum and is the specific treatment alongside stopping triggers and intensive supportive care.

Option by option

  • A. Vitamin K

    Vitamin K supports clotting-factor activation.

  • B. Naloxone

    Naloxone reverses opioids.

  • C. Protamine

    Protamine reverses heparin.

  • D. Dantrolene (correct)

    Correct: dantrolene is the specific malignant-hyperthermia treatment.

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 Anaesthesia question

What is the answer to this Anaesthesia question?

The best answer is D, Dantrolene. Dantrolene reduces calcium release from skeletal-muscle sarcoplasmic reticulum and is the specific treatment alongside stopping triggers and intensive supportive care.

Why is "Vitamin K" not the answer?

Vitamin K supports clotting-factor activation.

Why is "Naloxone" not the answer?

Naloxone reverses opioids.

Why is "Protamine" not the answer?

Protamine reverses heparin.

What concept does this question test?

It tests Malignant hyperthermia in Anaesthesia. The correct option holds because: Correct: dantrolene is the specific malignant-hyperthermia treatment.

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 Malignant hyperthermia?

Make a table of each agent, its key advantage and its main side effect. Then use the flashcards and the other Anaesthesia 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.