What is the cause of the hyperpigmentation seen in people with Cushing syndrome and Addison disease?
A) Abnormal levels of cortisol
B) Permissive effects of aldosterone when cortisol levels are altered
C) Elevated levels of ACTH
D) Hypersensitivity of melanocytes with sun exposure

Question

Quizplus · Accepted Answer

Elevated levels of ACTH lead to increased production of melanocyte-stimulating hormone (MSH), which causes hyperpigmentation.

What Is the Cause of the Hyperpigmentation Seen in People