Breastfeeding: practice question

A OBG 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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OBG · Breastfeeding

Sample item

Which hormone mediates milk ejection?

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

The answer and the reasoning

D. Oxytocin

Oxytocin contracts myoepithelial cells around mammary alveoli, producing the milk-ejection or let-down reflex during breastfeeding.

Option by option

  • A. Prolactin

    Prolactin stimulates milk synthesis.

  • B. Cortisol

    Cortisol is a stress hormone.

  • C. Aldosterone

    Aldosterone regulates sodium handling.

  • D. Oxytocin (correct)

    Correct: oxytocin causes milk ejection.

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 OBG questions

Questions about this OBG question

What is the answer to this OBG question?

The best answer is D, Oxytocin. Oxytocin contracts myoepithelial cells around mammary alveoli, producing the milk-ejection or let-down reflex during breastfeeding.

Why is "Prolactin" not the answer?

Prolactin stimulates milk synthesis.

Why is "Cortisol" not the answer?

Cortisol is a stress hormone.

Why is "Aldosterone" not the answer?

Aldosterone regulates sodium handling.

What concept does this question test?

It tests Breastfeeding in OBG. The correct option holds because: Correct: oxytocin causes milk ejection.

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 Breastfeeding?

Learn management algorithms as steps: PPH, eclampsia, ectopic pregnancy. Then use the flashcards and the other OBG 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.