Question detail

What effect does ADH have on kidney tubules?

Try the question, check the answer, then read the explanation to understand the curriculum point.

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At a glance

MCQ

Type

practice

Style

Topic

Hormonal coordination in humans

Question

A. It makes them less permeable to water.
B. It makes them more permeable to water.
C. It prevents the reabsorption of sodium.
D. It increases the secretion of potassium.

Answer

The correct option is It makes them more permeable to water.. This answer is correct because it matches the approved learning objective to explain (HT only) how ADH controls the permeability of kidney tubules to water in the subtopic Maintaining water and nitrogen balance in the body (biology only).

Explanation

The correct option is It makes them more permeable to water.. It makes them more permeable to water. is correct because it directly supports the approved learning objective to explain (HT only) how ADH controls the permeability of kidney tubules to water. This belongs to the subtopic Maintaining water and nitrogen balance in the body (biology only) within Hormonal coordination in humans, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Maintaining water and nitrogen balance in the body (biology only).

Common mistake

Misunderstanding ADH Function

Students often confuse the role of ADH with other hormones, thinking it directly increases water levels in the body rather than controlling the permeability of kidney tubules.

Focus on understanding that ADH acts on the kidney tubules to increase their permeability to water, allowing more water to be reabsorbed back into the bloodstream, rather than directly increasing water levels.

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