Hormone Classification and Mechanisms · Physiology

Which factor primarily determines hormone specificity?

  1. Circulating hormone concentration
  2. Receptor presence on target cells
  3. Rate of hormone degradation in plasma
  4. Extent of plasma protein binding
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Correct answer: Receptor presence on target cells

Hormone specificity depends on the presence of appropriate receptors on target cells. Only cells with receptors respond to the hormone.

Difficulty: Medium Question 18 of 40

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