The contents of the birth control pill
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EBK HUMAN PHYSIOLOGY
- In the fertility awareness method of birth control, a woman gauges her monthly fertile period by monitoring changes in the consistency of her vaginal mucus. What kind of information does such a method provide about the likelihood of getting pregnant?arrow_forwardNutrient and waste requirements for the developing fetus are handled during the first few weeks by _____. a. the placenta b. diffusion through the endometrium c. the chorion d. the blastocystarrow_forwardWhich of the following hormones exogenously-administered as drugs is most likely to decrease ovarian production of secondary oocytes and testicular production of secondary spermatocytes. A. Estradiol. B. Progesterone. C. prolactin. D. testosterone. E. TRHarrow_forward
- Interstitial cell dysfunction would result in all EXCEPT: a. all of these circumstances would occur b. failure of the vas deferens to develop during gestration O c. low levels of androgen-binding protein d. low sperm counts e. elevated LH levelsarrow_forwardWhat statement best explains the role of progesterone in menstruation?a. Produces corpus luteumb. It prepares the uterus for menstruationc. It is a steroidal hormone that results in some significant endometrial changesd. Initiate this phase by the formation of the corpus luteumWhich of the following is/are NOT a function of progesterone and estrogen:a. Inhibits the production of LH and FSHb. Causes the hypothalamus to release gonadotropin releasing hormonec. Maintains the endometrium for pregnancyd. Causes the follicle to mature into a graafian folliclearrow_forwardE B A В Identify the structure that secretes the hormone involved in the development of the secondary male sex characteristics and contributes to spermatogenesis. Select one: a. D, which is the Sertoli cell b. A, which is the spermatocyte O c. C, which is the sperm cell O d. B, which is the interstitial cellarrow_forward
- The tissue presented is at what phase of menstrual cycle and affected by what ovarian hormone? a. Secretory phase; progesterone b. Secretory phase; estrogen c. Proliferation phase; estrogen d. Proliferation phase; progesterone e. Secretory; progesterone and estrogen f. Proliferation phase; progesterone and estrogenarrow_forwardAll of the following are characteristics of the uterine endometrium presented in the slide in the normal menstrual cycle EXCEPT a. Surface epithelium contains ciliated cells and secretory cells b. Glands are straight and contain many mitotic figures c. The tissue is under the influence of progesterone d. Lumens of glands contain secretions e. Basalis and functionalis layers are presentarrow_forwardUsing the following hormone choices, which of the following puts the hormones of the female menstrual cycle in the correct order starting from day 1 and assuming a pregnancy has happend. A. estrogen B. follicle stimulating hormone (FSH) C. human chorionic gonadotropin (HCG) D. luteinizing hormone (LH) E. progesterone F. testosterone O A. B, E, C, A, D O B. A, D, B, C, E O C.B, A, D, E, C O D. D, B, A, E, Carrow_forward
- The follicular phase is initiated bya. secretion of follicule-stimulating hormone.b. secretion of luteinizing hormone.c. secretion of estrogen.d. Two of the abovearrow_forwardDuring the proliferative phase of the uterine cycle, one would normally expecta. the highest levels of estrogen that occur during the menstrualcycle.b. the mature follicle to be present in the ovary.c. an increase in the thickness of the endometrium.d. Both a and b are correct.e. All of these are correct.arrow_forwardDuring the menstrual cycle which stage have the following conditions in response to progesterone: endometrial cells - enlarge endometrial layer - thickens endometrium - greatest degree of development a. menses b. proliferation phase c. ovulation d. secretory phasearrow_forward
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