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- Figure 43.17 Which of the following statements about the menstrual cycle is false? Progesterone levels rise during the luteal phase of the ovarian cycle and the secretory phase of the uterine cycle. Menstruation occurs just after LH and FSH levels peak. Menstruation occurs after progesterone levels drop. Estrogen levels rise before ovulation, while progesterone levels rise after.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_____ production is continuous from puberty onward in males; _____ production is cyclic and intermittent in females. a. Egg; sperm b. Sperm; egg c. Testosterone; sperm d. Estrogen; egg
- 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.True or False? Prolactin causes the breasts to enlarge and the mammary glands to mature during puberty.Which 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
- Drag and drop each item to the correct position in the diagram. GnRH Anterior pituitary gland Maintains secondary sex characteristics Inhibin Zoom Testis Testosterone Hypothalamus Reset Inhibition Inhibition Anterior pituitary gland LH () Leydig cells (-) Hypothalamus GnRH Testis Inhibition Inhibition - FSH Sertoli cells Spermatogenesis 4This is secreted by the ovary ( follicle and corpus luteum ), causes proliferation of the endometrium . It is also responsible in developing and maintaining the female reproductive organs and secondary sexual characteristics associated with the adult female Follicular stimulating hormone Progesterone Prostaglandin EstrogenReproductive Hormones Reproductive Structures 1. FSH 6. Follicle 2. LH 7. Corpus luteum 3. Estrogen 8. Hypothalamus 4. Progesterone 9. Anterior pituitary 5. GNRH Gonadotropic hormones are released by the anterior pituitary to regulate the functions of the gonads (testis in males and ovaries in females). Use the list and select: a gonadotropic hormone the structure it stimulates in the ovaries the main hormone that is released as a result Record your answer as a three-digit number in the following order: Gonadotropic The structure The main hormone it acts on hormone released
- Hypothalamus Anterior pituitary Decreased negative feedback inhibition and (Day 1] (Day 28] Ovaries Corpus luteum regresses Increased sensitivity of follicles to Ovaries Growth of follicles Anterior pituitary Positive feedback Anterior pituitary Hypothalamus surge Negative feedback Ovaries Empty follicle becomes a Ovulation [Day 14] corpus luteumWhat is the best term for describing the genetic advantage in offspring which exhibit more heterozygosity due to outbreeding? inbreeding depression heterosis transgenoisty polymerizationsecondary sex characteristics The gonadotropin-releasing hormone has ultimate control over the male reproductive system because it secretes hypothalamus. androgen cerebral cortex seminiferous tubules GNRH stimulates the follicle-stimulating to produce the two gonadotropic hormones. interstitial cells testosterone In males, hormone promotes spermatogenesis in the hormone controls the production follicle-stimulating and of testosterone by luteinizing estrogen The main sex hormone in men is called and is responsible for the maturation of sperm and the as height, broad shoulders, muscle development, and a deep voice. such gonadotropin-releasing hormone hypothalamus anterior pituitary