Labor: 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 · Labor

Sample item

What hormone reinforces uterine contractions during labor?

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

The answer and the reasoning

A. Oxytocin

Oxytocin stimulates uterine smooth muscle and participates in a positive-feedback cycle as cervical stretch and labor progress.

Option by option

  • A. Oxytocin (correct)

    Correct: oxytocin promotes labor contractions.

  • B. Thyroxine

    Thyroxine regulates metabolic rate.

  • C. Calcitonin

    Calcitonin is involved in calcium regulation.

  • D. Prolactin

    Prolactin supports milk synthesis.

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 A, Oxytocin. Oxytocin stimulates uterine smooth muscle and participates in a positive-feedback cycle as cervical stretch and labor progress.

Why is "Thyroxine" not the answer?

Thyroxine regulates metabolic rate.

Why is "Calcitonin" not the answer?

Calcitonin is involved in calcium regulation.

Why is "Prolactin" not the answer?

Prolactin supports milk synthesis.

What concept does this question test?

It tests Labor in OBG. The correct option holds because: Correct: oxytocin promotes labor contractions.

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 Labor?

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.