Which of the following statements about estrogen in females is FALSE?
A. In high plasma concentration, estrogen stimulates pituitary sensitivity to GnRH.
B. Estrogen stimulates follicular growth.
C. In low plasma concentration, estrogen inhibits pituitary secretion of LH and FSH.
D. Estrogen secretion is required for the LH surge.
E. In the presence of high plasma concentration of progesterone, estrogen stimulates increased secretion of GnRH.
Answer: E
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Which of the labeled diagrams shows coarctation of the aorta?
a) A b) B c) C d) D e) E
How would the compressive strength of a bone be affected if the ratio of collagen to hydroxyapatite increased?
A) The compressive strength would decrease and the bone would become more flexible. B) The compressive strength would decrease and the bone would become less flexible. C) The compressive strength would increase and the bone would become more flexible. D) The compressive strength would increase and the bone would become less flexible. E) The compressive strength would not change but the bone would become more flexible.
Ovarian cysts are common in women during their childbearing years.
a. true b. false
Management of renal failure involves restriction of water, salt, and protein intake. This approach helps to lessen the strain on the urinary system by
A) maximizing the volume of urine produced. B) preventing any increase in blood plasma pH. C) preventing the generation of large quantities of nitrogenous waste products. D) regulating daily caloric intake. E) preventing the excretion of any organic waste products.