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- Premenstrual syndrome (PMS) can include mood swings, fluid retention (edema), anxiety, backache and joint pain, food cravings, and other symptoms. PMS usually develops after ovulation and lasts until just before or just after menstruation begins. Although the precise cause of PMS is unknown, it seems clearly related to the cyclic production of ovarian hormones. After reviewing Figure 16.3, suggest which hormonal changes may trigger PMS. Figure 16.3 Animated! Hormones govern the menstrual and ovarian cycles. A GnRH from the hypothalamus stimulates the anterior pituitary to secrete FSH and LH. B FSH and LH stimulate a follicle to grow, an oocyte to mature, and the ovaries to secrete progesterone and estrogens that stimulate the endometrium to rebuild. C A midcycle LH surge triggers ovulation and the formation of a corpus luteum. D Progesterone and some estrogens released by the corpus luteum maintain the endometrium, but if no pregnancy occurs, they stop being released and the corpus luteum breaks down. ( Cengage Learning)A vasectomy involves cutting the ductus deferens. Does a vasectomy impedetestosterone levels, having a penile erection, or having an ejaculation? Explaineach situation.Label the following diagrams. hypothalamus pituitary primordial folices primary follide containing primary oocyte follice with early antrum (cvity) parathyroid granulesa cells mature folide meiosis secondary oocyte ocous ater y formed - with fret potar oulation body M copus luteum -kidney male testes 3 ureter vas deferens vesicle ejaculatory y duct - Comper's (bulbourethral) gland urethra epididymis epididymis testis 56. 10 ay tria 11 wiay er 12 reta ten um ir m 13 14 -15 corpus luteum 57. hypothalamus 58. pancreas 59. uterus 60. seminiferous tubule 61. ovary 62. urinary bladder 63. anterior pituitary gland 64. thyroid 65. cervix 66. ruptured follicle 67. prostate 68. fallopian tube 69. posterior pituitary gland 70. adrenal gland
- Malt hormOca and tbar Anoctiomo Direction. Match col umn A to column B. A 1. Luteinizing normone (LH) 2. Follicle-Stimulating Hormone (FSH) 3. Testosterone x. produced by the cells located between the seminiferous fubules. y. stinaulates the secretion of the sex hor one Z. stimulates sem production in the se niniferous tubulesCaitlyn had unprotected sex with her fiancé about 2 weeksafter her last period, and is worried that she might have becomepregnant. She asks her physician if there are times during hermonthly menstrual cycle when she might be more likely tobecome pregnant. She also asks how birth control pills preventa woman from becoming pregnant. What will the physician tellCaitlyn?MenopauseA. Indicates that there are no more follicles in the ovariesB. Is preceded by perimenopause which is characterized by irregular menstruationC. Is characterized by increased GnRH, FSH and LH due to absence of negative feedback from estrogenD. Is defined as the cessation of the monthly menstrual cycle by at least one yearE. All choices refer to menopause.
- Narciso presents requesting hormonal contraception. She researching her options on the Web and become confused by the large variety of OC pills available, including monophasic, multitask, and progesterone only. She added how the pill prevents pregnancy and why the variety of preparations Which of the following the primary mechanism by which prevent pregnancy? Including lymphocytic endometritis Including endometrial atrophy Increasing cervical mucus viscosity Inhibiting serum luteinizing hormone (LH) levels Inhibiting serum follicle-stimulating hormone (FSH) levelsA 19-year-old woman presents with a sexually transmitted infection that has progressed to pelvic inflammatory disease. Which of the following is a possible potential long-term sequela of her condition> O irregular menses O increased risk for ovarian cancer O sterility and increased risk for ectopic pregnancy O increased risk for cervical cancerWhich 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
- heys The structure indicated by the black arrow is the: A kidney adrenal gland ovary D pineal glandsecondary 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 pituitaryMALE FEMALE Main Reproductive Organ terter vagina iuterur FOlopian Hube and ovariev Hormones Released Physiological Changes/Secondary Sex Characteristics Developed Study the different roles of hormones listed below. Write M if it applies only to Males, F if it applies only to Females and BOTH if it applies to both sexes. 1. Stimulating changes to the body during puberty. 2. Increased body hair especially on the face and in the armpits. 3. Stimulation of sperm cell production. 4. Widening of the hips. 1
