Endocrine 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 · Endocrine physiology

Sample item

What hormone stimulates thyroid hormone synthesis and release?

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

The answer and the reasoning

A. Thyroid-stimulating hormone

Thyroid-stimulating hormone from the anterior pituitary stimulates thyroid follicular cells to synthesize and release thyroxine and triiodothyronine.

Option by option

  • A. Thyroid-stimulating hormone (correct)

    Correct: TSH directly stimulates the thyroid gland.

  • B. Prolactin

    Prolactin promotes milk production rather than thyroid hormone synthesis.

  • C. Cortisol

    Cortisol is a glucocorticoid from the adrenal cortex.

  • D. Aldosterone

    Aldosterone regulates sodium and potassium balance.

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 A, Thyroid-stimulating hormone. Thyroid-stimulating hormone from the anterior pituitary stimulates thyroid follicular cells to synthesize and release thyroxine and triiodothyronine.

Why is "Prolactin" not the answer?

Prolactin promotes milk production rather than thyroid hormone synthesis.

Why is "Cortisol" not the answer?

Cortisol is a glucocorticoid from the adrenal cortex.

Why is "Aldosterone" not the answer?

Aldosterone regulates sodium and potassium balance.

What concept does this question test?

It tests Endocrine physiology in Physiology. The correct option holds because: Correct: TSH directly stimulates the thyroid gland.

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 Endocrine 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.