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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A. Intrinsic describes a muscle that has an origin and insertion located in different body regions. B. Intrinsic describes the attachment of a muscle to the bone or structure that does move when the muscle contracts. C. Intrinsic describes the attachment of a muscle to the bone or structure that does not move when the muscle contracts. D. Intrinsic describes a muscle that has an origin and insertion located in the same body region.
Increased venous tone will
A. allow blood to pool in the veins. B. help return blood to the heart. C. stabilize blood velocity in the veins. D. dilate the veins. E. relax the veins.
Which number indicates the eponychium?
A. 1 B. 2 C. 3 D. 4 E. 5
Shivering warms the body because it increases the rate of what?
A. Vasodilation B. Radiation C. Conduction D. Glycolysis E. ATP hydrolysis