Renal 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 · Renal physiology

Sample item

What process returns filtered glucose to blood in the proximal tubule?

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

The answer and the reasoning

A. Tubular reabsorption

Filtered glucose is normally reclaimed from proximal tubular fluid into blood by tubular reabsorption using sodium-glucose cotransport mechanisms.

Option by option

  • A. Tubular reabsorption (correct)

    Correct: proximal tubular reabsorption returns filtered glucose to blood.

  • B. Tubular secretion

    Tubular secretion moves selected solutes from blood into tubular fluid.

  • C. Micturition

    Micturition is the act of emptying the bladder.

  • D. Glomerular filtration

    Glomerular filtration moves plasma water and small solutes into Bowman space.

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, Tubular reabsorption. Filtered glucose is normally reclaimed from proximal tubular fluid into blood by tubular reabsorption using sodium-glucose cotransport mechanisms.

Why is "Tubular secretion" not the answer?

Tubular secretion moves selected solutes from blood into tubular fluid.

Why is "Micturition" not the answer?

Micturition is the act of emptying the bladder.

Why is "Glomerular filtration" not the answer?

Glomerular filtration moves plasma water and small solutes into Bowman space.

What concept does this question test?

It tests Renal physiology in Physiology. The correct option holds because: Correct: proximal tubular reabsorption returns filtered glucose to blood.

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 Renal 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.