Using 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 OC.B, A, D, E, C O D.D, B, A, E, C
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- Figure 43.15 Which of the following statements about hormone regulation of the female reproductive cycle is false? LH and FSH are produced in the pituitary, and estradiol and progesterone are produced in the ovaries. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. Both progesterone and estradiol are produced by the follicles. Secretion of GnRH by the hypothalamus is inhibited by low levels of estradiol but stimulated by high levels of estradiol.Using 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 ОА. В, Е, С, А, D ОВ.А, D, B, С, Е ОСВ, А, D, E, С O D. D, B, A, E, CThe proliferative phase of the endometrial cycle is characterized by thickening of the endometrial wall due to mitogenesis of the endometrial cells. Which hormone is most responsible for the thickening of the endometrial wall during the proliferative phase of the endometrial cycle? A. Estradiol B. Estrone sulfate C. Chorionic gonadotropin D. Endometriol E. Oxytocin
- A 16-year old girl tells her doctor that she has not had menstruation for 2 months. A pregnancy test shows that she is not pregnant. What is a likely explanation for her condition? Select one: A. Endometriosis B. Low levels of estrogen and progesterone C. Cervical cancer D. Premenstrual syndrome E. Severe emotional stress O O O O OSertoli cells produce androgen binding protein. The purpose of this androgen binding protein is to : (select one) a. Transport testosterone to the developing germ cells b. Increase the clearance rate of testosterone c. Prevent the germs cells being exposed to toxic concentrations of testosterone d. Manufacture androgens e. Transport testosterone to the capillariesWhich of the following statement correctly describe the role of androgen in the male reproductive system? Select one: A. LH stimulates the Sertoli cell to produce inhibin and to start spermatogenesis. B. Increased levels of inhibin released by the interstitial cells result in lower levels of FSH and testosterone. C. Increased levels of testosterone feedbacks negatively to the anterior pituitary and hypothalamus. D. GnRH is released by the anterior pituitary and stimulates the release of FSH and LH.
- Which of the following statements correctly describes the development of the endometrium during the menstrual cycle? Select one: A. Estrogen causes accelerated development of the endometrium during the follicle stage and then maintains the thickness of the endometrium during the luteal stage. B. Progesterone causes the relatively slow development of the endometrium during the follicle stage and accelerates the thickening of the endometrium during the luteal stage. C. Estrogen causes the relatively fast thickening of the endometrium during the follicular stage. Progesterone maintains the thickness of the endometrium during the luteal phase. D. Estrogen causes the relatively slow development of the endometrium during the follicular stage. Progesterone causes accelerated thickening of the endometrium during the luteal phase.Match the hormones to the organ that makes them or to the action they cause. Use letters more than once. A. estrogen B. follicle stimulating hormone (FSH) C. human chorionic gonadotropin (HCG) D. luteinizing hormone (LH) E. progesterone F. testosterone v blastula v corpus luteum Leydig's cells A. A ovary v 1st hormone of pituitary gland to start cycle В. В С.С 2nd hormone of pituitary gland halfway through cycle D. D vendometrium grows more blood vessels Е. E v keeps corpus luteum v stimulates sperm production, muscle growth, aggression F. F v keeps endometrium in uterus ovulation (egg leaves ovary) v tells egg to developWhich of the following statements correctly describes the development of the endometrium during the menstrual cycle? Select one: a. Estrogen causes the relatively fast thickening of the endometrium during the follicular stage. Progesterone maintains the thickness of the endometrium during the luteal phase. b. Progesterone causes the relatively slow development of the endometrium during the follicular stage and then accelerates the thickening of the endometrium during the luteal phase. c. Estrogen causes accelerated development of the endometrium during the follicular stage and then maintains the thickness of the endometrium during the luteal phase. d. Estrogen causes the relatively slow development of the endometrium during the follicular stage. Progesterone causes accelerated thickening of the endometrium during the luteal phase.
- Match the hormones to the organ that makes them or to the action they cause. Use letters more than once. A. estrogen B. follicle stimulating hormone (FSH) C. human chorionic gonadotropin (HCG) D. luteinizing hormone (LH) E. progesterone F. testosterone blastula corpus luteum Leydig's cells ovary A A v1st hormone of pituitary gland to start cycle B. B v 2nd hormone of pituitary gland halfway through cycle C.C vendometrium grows more blood vessels D.D v keeps corpus luteum E. E v stimulates sperm production, muscle growth, aggression v keeps endometrium in uterus vovulation (egg leaves ovary) tells egg to developIdentify 3 effects of progesterone on pregnancy. Select one or more: O a. This causes the uterus to remain contracted after delivery to reduce blood loss from the placental site O b. This is produced when the ovarian follicle that encloses the developing egg forms a structure called the corpus luteum O c. This decreases bladder tone leading to an increased risk of urinary infection O d. This prepares the body for pregnancy. It acts as an appetite stimulant Identify 1 effect of the hormone vasopressin in pregnancy. Select one: O a. This has an important compensatory mechanism for restoring blood pressure in hypovolaemic shock such as that which occurs during haemorrhage O b. Promotes the maintenance of the corpus luteum at the beginning of pregnancy O C. Involved in thickening of the endometrium and other aspects of regulating the menstrual cycleHow will you explain the role of Gonadotropin Releasing Hormone (GnRH)? The GnRH is a/an: follicle stimulator that will mature the egg cell. testes stimulator that will synthesize testosterone. С. 8. A. B. pituitary Gland stimulator that will produce FSH and LH. D. ovary stimulator that will produce sex steroid hormones. Which of these roles of hormones explains the changes in the physical appearance of the extemal genitalia of the male and female reproductive part at the onset of puberty? 9. А. Stimulation of follicle alone. В. Production of sperm and egg cell. С. Regulation of the production of GNRH D. Development of male and female characteristics. Which of the following hormone pairing will best explain why men and women have unique physical structures? 10. А. (Testosterone, Estrogen) C. (Progesterone, Adrenaline) В. (Progesterone, Estrogen) D. (Testosterone, Progesterone) What type of feedback mechanism is described when progesterone and estrogen levels drop after menstruation,…