A 25-year-old woman sees her doctor because of hirsutism (inappropriate hair growth) and excessive acne. At examination, her blood pressure is 150/90 mm Hg (elevated)
Blood work reveals normal Na+ but low/normal K+ levels. Testosterone and dihydrotestosterone (DHT) levels are in the high end of the normal range, and DHEAS and ACTH are moderately elevated. Her physician suspects late-onset congenital adrenal hyperplasia due to subnormal activity of an adrenal enzyme.
The "hyperplasia" associated with congenital adrenal hyperplasia is due to elevated levels of:
A. DHEAS
B. cortisol
C. ACTH
D. aldosterone
E. deoxycorticosterone (DOC)
ANS: C
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