Synapse: practice question

A Physiology 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.

Try it

Physiology · Synapse

Sample item

What neurotransmitter is released at NMJ?

AAcetylcholineBDopamineCGABADSerotonin

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

The answer and the reasoning

A. Acetylcholine

This item reviews Synapse; Acetylcholine is the best answer because it directly matches the anatomical or physiological relationship described.

Option by option

A. Acetylcholine (correct)
Correct. Acetylcholine fits the defining feature.
B. Dopamine
Dopamine does not fit the stated relationship.
C. GABA
GABA is unsupported by the key finding.
D. Serotonin
Serotonin is plausible but not the best answer.

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.

Questions about this Physiology question

What is the answer to this Physiology question?

The best answer is A, Acetylcholine. This item reviews Synapse; Acetylcholine is the best answer because it directly matches the anatomical or physiological relationship described.

Why is "Dopamine" not the answer?

Dopamine does not fit the stated relationship.

Why is "GABA" not the answer?

GABA is unsupported by the key finding.

Why is "Serotonin" not the answer?

Serotonin is plausible but not the best answer.

What concept does this question test?

It tests Synapse in Physiology. The correct option holds because: Correct. Acetylcholine fits the defining feature.

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 Synapse?

For each system, sketch the key graph (pressure–volume loop, oxygen dissociation curve, nephron handling) and explain it aloud. Then use the flashcards and the other Physiology 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.