Endocrine regulation · USMLE Step 1

Which type of stimulus refers to regulation of an endocrine gland by changes in blood ion concentration or other non-hormonal blood chemicals?

  1. Neural stimulus
  2. Hormonal stimulus
  3. Humoral stimulus
  4. Autocrine stimulus
Show answer and explanation

Correct answer: Humoral stimulus

A humoral stimulus refers to the release of hormones in response to changing levels of ions or nutrients in the blood (e.g., calcium, glucose, osmolarity).

Difficulty: Medium Question 4 of 23

Practice all 23 Endocrine regulation questions

Keep practicing

More Endocrine regulation questions