34. The development and maintenance of the female sex characteristics is the res

Question

34. The development and maintenance of the female sex characteristics is the responsibility of A) estrogen and androgen. B) progesterone and testosterone C) relaxin and inhibin. D) progesterone and E) progesterose and estrogen. 35. FSH secretion is inhibited by A) relaxin B) testosterone. C) LH D) inhibin. E) androgen. 36. Melatonin is a hormone of the A) pituitary gland B) pancreas C) pineal gland D) thymus gland E) adrenal gland. 37. Prostaglandins A) act as local hormones. B) help induce inflammation. C) are important in fat metabolism. D) All of the above. E) None of the above. 38. The second stage of GAS (general adaptation syndrome) is A) the stressor B) the resistance reaction. C) the alarm reaction. D) the flight-or-fight response. E) the stage of exhaustion 39. Oversecretion of hGH during childhood is called A) giantism. B) acromegaly. C) pituitary dwarfism. D) cretinism. B) goiter.

Explanation / Answer

Ans 34) progesterone and estrogen

The main female sex hormone is estrogen. Progesterone is also a crucial female sex hormone. These hormones are produced in the gonads and control the ovulation cycle and maintain a healthy female reproductive system.

Ans 35 ) Inhibin

Inhibin is produced in the gonads, pituitary gland, placenta, corpus luteum and other organs. FSHFstimulates the secretion of inhibin from the granulosa cells of the ovarian follicles in the ovaries. In turn, inhibin suppresses FSH.

Ans36) pineal gland

The Pineal gland secretes melatonin (through the conversion of serotonin) which activates the pituitary gland to release MSH (melanocyte stimulating hormone). It is in the melanocytes that melanin is produced.

Ans37) all of the above

These local hormones are formed by a chain of 20 amino acids and fatty acidsfrom phospholipids in the cell membrane. Prostaglandin category of eicosanoids act as local hormone.

Prostaglandin help in activation of the inflammatory response, production of pain, and fever.

Prostaglandin help in fat metabolism.

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