Pelvis: 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 · Pelvis

Sample item

What muscle forms much of the pelvic diaphragm?

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

The answer and the reasoning

A. Levator ani

Levator ani forms the major pelvic diaphragm and supports pelvic viscera while contributing to continence and elevation of the pelvic floor.

Option by option

  • A. Levator ani (correct)

    Correct: levator ani is the principal pelvic-floor muscle group.

  • B. Rectus abdominis

    Rectus abdominis is an anterior abdominal-wall muscle.

  • C. Obturator externus

    Obturator externus laterally rotates the thigh.

  • D. Piriformis

    Piriformis forms part of the posterior pelvic wall.

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 A, Levator ani. Levator ani forms the major pelvic diaphragm and supports pelvic viscera while contributing to continence and elevation of the pelvic floor.

Why is "Rectus abdominis" not the answer?

Rectus abdominis is an anterior abdominal-wall muscle.

Why is "Obturator externus" not the answer?

Obturator externus laterally rotates the thigh.

Why is "Piriformis" not the answer?

Piriformis forms part of the posterior pelvic wall.

What concept does this question test?

It tests Pelvis in Anatomy. The correct option holds because: Correct: levator ani is the principal pelvic-floor muscle group.

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 Pelvis?

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.