19. Which of the following coupled choices are functions of insulin? to respond
ID: 3521206 • Letter: 1
Question
19. Which of the following coupled choices are functions of insulin? to respond to stress and signal lipolysis b. a. to increase cellular uptake of amino acids and to increase glucose uptake c. to lower blood sugar and suppress immune reactions to promote gluconeogenesis and glycogen synthesis 20. All of the following will occur with an increased secretion of ADH EXCEPT a a decrease in the quantity of urine produced b. many arteries will constrict e. the collecting ducts will become less permeable d. the body will balance its water to salt ratio 21. What is an alter name for Interstitial Cell Stimulating Hormones (ICSH)? a. GnRH b. LH c. FSH d. oxytocin e. none of the above 22. What is the source of gonadotropin releasing hormone? a. b. c. d. e. Sertoli cells male and female gonads hypothalamus anterior pituitary none of the above 23. Polycystic ovarian syndrome includes all of the following except a. insulin resistance b. anovulatory cycles c. obesity d. elevated blood estradiol e. elevated blood testosterone 24. Benign prostatic hyperplasia involves enhanced activity of which of the following? a GnRH b. Dihydrotestosterone (DHT) c. insulin-like growth factor d. growth hormone 25. Which of the following is a significant secretion from fat cells? a. glucagon b. insulin c. estrone d. CCKExplanation / Answer
19. Insulin does not responds to stress and has inhibits lipolysis and promotes lipogenesis. Hence option A is incorrect. Insulin lowers blood glucose levels but has no effect on inhibiting immune responses. Hence option C is incorrect. It inhibits GLUCONEOGENESIS and hence option D is incorrect. It increase cellular uptake of amino acids and promotes protein synthesis and increase glucose uptake. Hence option B is correct.
20. With increase in ADH more water is reabsorbed thus quantity of urine is decreased. Arteries contract to decrease grr and blood volume flowing to kidneys. With increase ADH, permeability of DCT and collecting ducts is increased. However increase in ADH, the salt water ratio remains normal and has no effect on it. Answer is C.
21. LH is also known as ICSH and is secrested in pituitary gland. It is called so because it acts on interstitial cells if tested.
22. Gonadotrophin releasing hormone is a regulatory hormone that works on pituitary to maintain gonadotrophin levels. It is secreted from the hypothalamus and reaches the pituitary by the portal circulation. The answer is C, hypothalamus.
23. Insulin resistance clearly occurs in PCOS. Along with insulin resistance, obesity creates a variety of abnormality. Due to increased LH, testosterone levels are increased, another major symptom is anovulatory cycles due to hormonal I'm balance. Estrogen may decrease. Hence the answer is C.
24. BPH is a common problem in males and appears later in age. It occurs due to increased sensitivity to androgens and thus the reasonsible hormone is B. ( DHT)
25. Fat cells can secrete some amount of estrogen, other than that produced by ovaries. Hence the answer is option C, estrone.
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