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If you were a scientist trying to develop a male contraceptive acting on theanterior pituitary gland, would you try to block the secretion of FSH or LH?Explain?

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter38: Reproduction And Development

Section: Chapter Questions

Problem 13SA: Match each hormone with its effect. oxytocin a. growth of facial hair testosterone b. uterus...

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If you were a scientist trying to develop a male contraceptive acting on the
anterior pituitary gland, would you try to block the secretion of FSH or LH?
Explain?

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Match each hormone with its effect. oxytocin a. growth of facial hair testosterone b. uterus contracts LH c. LH, FSH are released GnRH d. surge causes ovulation FSH e. follicle develops HCG f. milk is produced prolactin g. corpus luteum is maintained
Based on the schematic below, illustrating the control of the hypothalamus and the pituitary gland by the ovarian hormones, how would you design a hormonal female contraceptive that keeps secretion of FSH and LH low in order to prevent ovulation?
If the ovum is not fertilized, the corpus luteum regresses, and the endometrium sloughs off to result in the first day of menstrual bleeding. The latter event would be duplicated, even if fertilization occurred, if receptors for which of the following hormones were occupied by an antagonist? A) Dehydroepiandrosterone B) Estradiol C ) Estriol D) Estrone E) Progesterone
Removal of gonads cannot be considered as a contraceptive option. Why?
Why do you think a male may have low LH levels and how/why would that affect sperm production? keep in mind that the * male has been taking a synthetic testosterone supplement for several months*
using your knowledge of reproductive physiology, what seems to be the most likely hormone that we could use as a male contraceptive pill? Explain.
What effect would a continuous supply of exogenous estrogen or progesterone have on an adult female human? Will it: A) Cause no oocyte maturation B) Have more frequent ovulation C) Contain a stronger surge in LH production at mid-cycle D) Ovulation of multiple oocytes per cycle E) High, steady FSH production
Select the FALSE statement/s: A) The functional layer of the endometrium sloughs off when estrogen levels are at their lowest but progesterone levels at their highest. 1 OB) Every month, the 20 secondary follicles release 20 ova. OC) XX genotypic female exposed to high levels of androgen in utero will develop male-like exfernal genitalia OD) Both A and B OE) Both B and C
Although the most effective form of an oral contraceptive for woman contain estrogen and progestin, some birth control pills contain a small dose of progestin-only. This is because there are many risks and side effects. Which of the following statements is NOT a reason for using a progestin-only oral contraceptive? Select one: A. progesterone maintains the corpus luteum as corpus luteum release a large amount of progesterone and estrogen. B. progesterone suppresses the maturation of follicles, thereby preventing ovulation of a mature ovum. C. progestin-only oral contraceptives prevent the production of FSH and LH in the anterior pituitary. D. progesterone suppresses the production of GnRH in the hypothalamus.
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