A reproductive hormone that is secreted directly from the anterior pituitary is follicle-stimulating hormone. progesterone. testosterone. estradiol. gonadotropin-releasing hormone.
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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 maintainedWhich hormone causes FSH and LH to be released? a. testosterone b. estrogen c. GnRH d. progesteroneWhich hormone is consistently positively correlated with thickening of the endometrium? Follicle stimulating hormone Luteinizing hormone Estrogen Progesterone
- Luteinizing hormone (LH): Which of the following is correct ? Stimulates testosterone secretion LH surge stimulates ovulation Stimulates gonadotropin-releasing hormone (GnRH) secretionWhich of the following statements is NOT true concerning the hormonal control over the male reproductive system? These hormones are involved in a negative feedback relationship The hypothalamus secretes a hormone called gonadotropin-releasing hormone Luteinizing hormone controls the production of sperm in the seminiferous tubules Follicle-stimulating hormone and luteinizing hormone are present in both males and females The interstitial cells produce testosteroneWhich of these is not true about the physiologic effects of estrogen? Group of answer choices Raising of uterine threshold to contractile stimuli Stimulation of prolactin secretion Blocking the action of prolactin on the breast Decreasing LDL cholesterol Anti-osteoporosis
- increased levels of estrogen and progesterone will result in ( negative, positive, increase, decrease) feedback to the hypothalamus and anterior pituitary to ( negative, positive, increase, decrease), ( LH, FSH, GnRh, LH AND FSH) production. This normally occurs during the ( FOLLICULAR STAGE, LUTEAL STAGE ) Decreased levels of estrogen and progesterone will result in ( negative, positive, increase, decrease) feedback to the hypothalamus and anterior pituitary to ( negative, positive, increase, decrease), (LH, FSH, GnRh, LH AND FSH) production. This normally occurs during the ( FOLLICULAR STAGE, LUTEAL STAGE ). Extremely high levels of estrogen near the end of the follicular phase will result in ( negative, positive, increase, decrease) feedback to the hypothalamus and anterior pituitary to release a large amount of ( LH, FSH, GnRh, LH AND FSH) to trigger ovulation. Some hormones are used in oral contraceptive pills to suppress the release of ( LH, FSH, GnRh, LH AND FSH) Without…What are the main effects of gonadotropic hormones? Select all that apply. Stimulation of the formation of the ova Stimulation of the secretion of hormones from sex Stimulation of the development of secondary female sexual characteristics Stimulation sustains pregnancy Stimulation of the hormone progesteroneRight before the ovulation, the maturate follicle secretes high levels of estrogen which switches from negative to positive feedback regulation of the HPG axis. Positive feedback regulation of estrogen will result in __________ of estrogen levels, leading to an ____________ surge further increase; progesterone further increase; LH decrease; progesterone decrease, LH
- Match four of the hormones of the negative feedback numbered above with their function given below. Function: Hormone: Stimulates the development of an ovum Answer Stimulates the corpus luteum to release progesterone Answer Suppresses GnRH, FSH, and LH production in the follicular phase Answer Suppresses GnRH, FSH, and LH production in the luteal phase AnswerList the main sex hormones made by males and by females andthe organs that produce those hormones.Match four of the hormones of the negative feedback numbered above with their function given below. Function: Hormone: Stimulates the release of testosterone Answer Inhibits the release of FSH Answer Stimulates spermatogenesis Answer Stimulates the development of secondary sex characteristics Answer;
