Reproductive physiology: 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.

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Physiology · Reproductive physiology

Sample item

What is the principal action of prolactin after childbirth?

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

The answer and the reasoning

C. Stimulate milk production

Prolactin stimulates synthesis of milk in mammary glands, while oxytocin causes milk ejection by contracting myoepithelial cells; suckling supports both hormonal responses.

Option by option

  • A. Cause milk ejection directly

    Oxytocin is primarily responsible for milk ejection.

  • B. Trigger ovulation immediately

    Prolactin does not trigger immediate ovulation after childbirth.

  • C. Stimulate milk production (correct)

    Correct: prolactin promotes production of breast milk.

  • D. Increase uterine contraction during labor

    Oxytocin rather than prolactin drives uterine contractions in labor.

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 Physiology question

What is the answer to this Physiology question?

The best answer is C, Stimulate milk production. Prolactin stimulates synthesis of milk in mammary glands, while oxytocin causes milk ejection by contracting myoepithelial cells; suckling supports both hormonal responses.

Why is "Cause milk ejection directly" not the answer?

Oxytocin is primarily responsible for milk ejection.

Why is "Trigger ovulation immediately" not the answer?

Prolactin does not trigger immediate ovulation after childbirth.

Why is "Increase uterine contraction during labor" not the answer?

Oxytocin rather than prolactin drives uterine contractions in labor.

What concept does this question test?

It tests Reproductive physiology in Physiology. The correct option holds because: Correct: prolactin promotes production of breast milk.

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 Reproductive physiology?

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.