Please help with questions 43-48! 43) What ion is sometimes used as a second mes
ID: 3483380 • Letter: P
Question
Please help with questions 43-48! 43) What ion is sometimes used as a second messenger of A) iron B) calcium C) sodiumm D) chlorine amino acid-based hormones? 44) John tells you that cholesterol is bad and should be eliminated from the diet. You explain to him that cholesterol is important. Which of the following hormones are synthesized from cholesterol? A) growth hormone B) testosterone C) oxytocir D) thyroxine 45) Which hormone has only one known effect: to stimulate milk production by the breasts? A) progesterone B) estrogen C) oxytocin D) prolactin 46) Bisphenol-A (BPA) is an endocrine disruptor that can leach out of certain plastics. It disrupts the normal function of the endocrine system my mimicking estrogen. Which of the following explains how persistent small amounts of BPA in the body can have effects? A) up-regulation B) down-regulation C) half-life D) lock-and-key 47) The parathyroid glands respond to which type of stimulus? A) hormonal B) neural C) humoral D) positive 48) Dave has discovered a new lipid-soluble hormone. Which of the following is true regarding this hormone? A) will likely act through a second-messenger system B) receptor will be located on the plasma membrane C) can be stored in secretory vesicles D) will be bound to a transport protein in the bloodExplanation / Answer
43. The second messenger of amino acid hormone:
(B) calcium.
44.hormone synthesized by cholesterol is:
(B) testosterone
45.milk production by the breast:
(D) prolactin
46. BPA in the body effect:
(A) up regulation
47. The parathyroid gland respond to humoral stimulus:
(C) humoral
Humoral stimulus refers to the control of hormone release in response to changes in extracellular fluids.
48. Lipid soluble hormone:
(C) can be stored in secretory vesicles