Thorax: practice question

A Anatomy 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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Anatomy · Thorax

Sample item

What is the main motor nerve to the diaphragm?

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

The answer and the reasoning

C. Phrenic nerve

The relevant Thorax principle makes Phrenic nerve the best answer because it directly explains the structure or physiological response in the stem.

Option by option

  • A. Vagus nerve

    Vagus nerve does not correspond to the structure or response being tested.

  • B. Intercostal nerve

    Intercostal nerve is associated with a different anatomical or physiological role.

  • C. Phrenic nerve (correct)

    Correct. Phrenic nerve directly follows from the core thorax relationship.

  • D. Recurrent laryngeal nerve

    Recurrent laryngeal nerve is not supported by the key clue provided in this item.

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 Anatomy questions

Questions about this Anatomy question

What is the answer to this Anatomy question?

The best answer is C, Phrenic nerve. The relevant Thorax principle makes Phrenic nerve the best answer because it directly explains the structure or physiological response in the stem.

Why is "Vagus nerve" not the answer?

Vagus nerve does not correspond to the structure or response being tested.

Why is "Intercostal nerve" not the answer?

Intercostal nerve is associated with a different anatomical or physiological role.

Why is "Recurrent laryngeal nerve" not the answer?

Recurrent laryngeal nerve is not supported by the key clue provided in this item.

What concept does this question test?

It tests Thorax in Anatomy. The correct option holds because: Correct. Phrenic nerve directly follows from the core thorax relationship.

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 Thorax?

Learn every nerve by its route, its muscles and what a lesion looks like at the bedside. That one habit answers a large share of questions. Then use the flashcards and the other Anatomy 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.