Polycystic ovarian syndrome (PCOS) is a disorder in which a female produces abnormally high levels of androgens (particularly testosterone). This has various adverse effects on the female body, including inhibition of ovulation. Which hypothalamic or pituitary form of hormonal control could cause abnormal production of androgens in females?
A. Hypersecretion of FSH
B. Nonsecretion of GnRH
C. Hypersecretion of LH
D. Hyposecretion of FSH
Answer: C
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The large surface area of the inside of the small intestine means that this structure is
?A. well adapted for its physiological role in absorption.?B. derived from an embryological structure that served a different function.?C. anatomically complex but physiologically simple.?D. maladaptive in that it harbors bacteria.
Vasopressin
a. is produced in the hypothalamus. b. increases the permeability of the distal and collecting tubules to water. c. secretion is stimulated by a water deficit in the body. d. both (b) and (c) above. e. all of these answers.
Sandwiched between the layer of circular and longitudinal muscle in the muscularis externa is the
A) mucosa. B) submucosa. C) muscularis mucosa. D) myenteric plexus. E) submucosal neural plexus.
Although uric acid is a normal waste product of nucleic acid metabolism, why are so many men suffering from a condition known as gouty arthritis? How does this product that should be eliminated in the urine cause so much pain when things go wrong?
What will be an ideal response?