CMN 568 Test 6 QUESTIONS AND CORRECT DETAILED ANSWERS

CMN 568 Test 6 QUESTIONS AND CORRECT DETAILED ANSWERS 1st event in puberty in girls? Next? Final? - ANSWER thelarche (breasts) pubarche (axilla, pubic hair) menarche (period) Delayed puberty is the absence of secondary sexual development by age ______ in girls or failure of menarche within ____ years of onset of secondary sexual characteristics What are some major causes? - ANSWER 12 3 hypothalamic hypogonadism (CNS tumor) or hypergonadotropic hypogonadism (turners) Primary _______ when puberty is delayed and menarche does not occur, but gonads are present and other endocrine function is normal - ANSWER amenorrhea Average length of cycle is ______ from the start of one period to the next - ANSWER 28 days Usually duration of period is _________ but can last for _______. Average blood loss is _______. > ________is ABNORMAL - ANSWER 3-5 days 1-8 days 30 ml over 80 What stage is useful to have to increase fertility and contraception? - ANSWER Ovulation What are signs that you are ovulating? - ANSWER rise in basal temp rise in urinary LH Ovum lives about ______hours after leaving follicle, but is only fertilizable for _________. Some sperm can survive/produce fertilization up to ___________ before ovulation Most fertile period for a woman is ? - ANSWER 72 for half that time 120 hours 48 hours before ovulation What are the hormones that correlate to the cyclic changes in the vagina, uterine cervix and breasts? - ANSWER Estrogen Progesterone Almost all estrogen comes from where? - ANSWER ovaries 2 peaks of estrogen secretion is when? - ANSWER just before ovulation and during midluteal phase Estrogen has affects on ? - ANSWER growth on ovarian follicles/increase motility of uterine tubes decrease FSH secretion may increase libido produce duct growth in breasts changes in uterus and vagina growth of pubic hair/axilla hair What are the target organs of progesterone? Causes changes in what? - ANSWER uterus, breasts, brain endometrium/cyclic changes in cervix and vagina/rise in basal body temp What does relaxin do for women? - ANSWER relax pubic symphysis/other pelvic joints + softening/dilating cervix WHILE inhibiting contractions What gonadotropic hormones act in concert to regulate the cyclic secretion of ovarian hormones - ANSWER FSH and LH Ovarian sec