Question detail

What happens to ADH levels when blood water concentration is high?

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. ADH levels increase
B. ADH levels decrease
C. ADH levels remain constant
D. ADH is not produced

Answer

The correct option is ADH levels decrease. This answer is correct because it matches the approved learning objective to explain (HT only) how ADH release is controlled by negative feedback to maintain blood water concentration in the subtopic Maintaining water and nitrogen balance in the body (biology only).

Explanation

The correct option is ADH levels decrease. ADH levels decrease is correct because it directly supports the approved learning objective to explain (HT only) how ADH release is controlled by negative feedback to maintain blood water concentration. 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 blood water concentration rather than controlling its release through negative feedback.

Clarify that ADH regulates water reabsorption in the kidneys and that its release is controlled by negative feedback mechanisms that respond to blood water concentration levels.

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