front 1 which of the followings glands are responsible for 60% of stythesis of semen | back 1 the seminal vesicle |
front 2 which hormone control the release of of anterior pituitary gonadotropins | back 2 GnRH |
front 3 Developments of male reproductive structure depends on what events | back 3 secrete of the male hormones prenatally and lasting into the first few months after birth |
front 4 the primary function of the uterus is to | back 4 receive,retain,and nourish a fertilized ovum |
front 5 why is blood testis barrier important? | back 5 because spermatozoa and developing cell produce surface antigens that are recognized as foreign by the immune system |
front 6 the structure that receive the ovulates oocyte providing site for fertilization are the | back 6 fallopian tubes |
front 7 if gametes were diploid like somatic cells how many chromosomes would the zygote contain | back 7 twice the diploid number and with every succeeding generation the chromosome number would continue to double and normal development could not occur |
front 8 human eg and sperm are similar in that | back 8 they have same number of chromosomes |
front 9 the dartos and cremaster muscles are important to the integrity of the male reproductive system | back 9 they regulate the temperature of the testes |
front 10 the ability of sperm cells to move along the ducts deferens is due to | back 10 peristaltic contractions |
front 11 the ability of a male to ejaculate is due to the action of | back 11 the bulbospongiosus muscle |
front 12 the most important risk for testicular cancer in young males | back 12 sexually transmitted infections |
front 13 the constancy of the chromosome number from one cell generation to the next is maintained through | back 13 meiosis |
front 14 Fertilization generally occurs in the | back 14 fallopian tubes |
front 15 spermiogenesis involves the | back 15 the formation of a functional sperm by the stripping away of superfluous cytoplasm |
front 16 all of the following can be considered male secondary sex characteristics except the | back 16 development of testes as opposed the ovaries |
front 17 in human separation of the cell as the two cell states following fertilization may lead to production of twins which in this case would be | back 17 identical |
front 18 characteristics of the mature sperm includes the | back 18 presence of Y chromosomes in approximately half the sperm |
front 19 how do the testes respond to exposure to excessive body warmth | back 19 the move away from the pelvic cavity |
front 20 effects of estrogen include | back 20 growth of breast at puberty |
front 21 secretion of progesterone stimulates | back 21 preparation of the mammary glands for lactation |
front 22 Is not true about sperm | back 22 the sperm mid piece consists of mitochondria spiraled tightly around the contractile filaments of the tail. |
front 23 the cells that produce testosterone in the testis are called | back 23 interstitial cells |
front 24 the testicular cells construct the blood testis barrier are the | back 24 sustentacular cells |
front 25 occurs as result of undescended testes | back 25 inadequate or nonviable sperm will be produced |
front 26 erection of the penis results from | back 26 parasympathetic reflex |
front 27 which is not a part of the proliferative phase of the female menstrual cycle | back 27 corpus luteum |
front 28 is not a function of the vagina | back 28 serves as a passageway for the primary oocyte |
front 29 Male sexual response | back 29 erection is the result of vascular spaces in the erectile tissues filling with. |
front 30 Is not a function of testosterone | back 30 stimulate mammary glands development |
front 31 male hormone inhibits the secretion of FSH | back 31 inhibin |
front 32 during the secretory phase of menstual cycle | back 32 progesterone levels are at their highest |
front 33 Uterine cycle | back 33 If fertilization occurs the corpus luteum is maintained by a hormone secreted by the developing embryo |
front 34 is not part of the brain testicular axis | back 34 thalamus |
front 35 the mammary glands of males and females | back 35 are modified sweat glands that are actually part of the integumentary system |
front 36 menstruation occurs when | back 36 blood levels of strogen and progesterone decrease |
front 37 difference between spermatogenesis and oogenesis is that | back 37 in oogenesis one mature ovum is produced and in spermatogenesis four mature sperm are produced from parent cell |
front 38 three polar bodies are found clinging to the mature ovum. One came from unequal division of ovum. from where the other two arise? | back 38 the first polar body has also divided to produce two polar bodies |
front 39 occurs after ovulation | back 39 the endometrium enters its secretory phase |
front 40 semen doesnt enter the urinary bladder during ejaculation | back 40 the smooth muscle sphincter at the base of the urinary bladder closes |
front 41 spermatogenesis | back 41 involves a kind of cell division limited to the gametes |
front 42 hormone absolute necessary for ovulation to occur | back 42 LH |
front 43 the brain testicular axis | back 43 involves FSH and LH release |
front 44 testoterone control | back 44 GnRH from the hypothalamus causes FSH and LH release from anterior pituitary |
front 45 Uterine tubes | back 45 the infundibulum is the funnel shaped region near the ovary |
front 46 hormonal events of ovarian cycle | back 46 high estrogen levels result in surge of LH release |
front 47 False statement about sexual transmitted infections | back 47 syphilis is caused by a virus that may lead the death if untreated |
front 48 Is not true about spermatogenesis | back 48 each spermatid forms two sperms |
front 49 boy who have not passed trough puberty sustain a injury in pituitay gland. FSH not release but LH normal | back 49 Be steril |
front 50 is not true about female reproductive process | back 50 rebuilding the endometrium secretion is under the control of prolactin |
front 51 low secretion of luteinizing hormones LH in normal male adult would cause | back 51 decrease testosterone secretion |
front 52 Not true about uterine cycle | back 52 FSH and LH directly promote development of the uterine endometrium |
front 53 phases or processes in h monthly reproductive cycle of the female occur simultaneously | back 53 regression of the corpus luteum and decrease in the ovarian progesterone secretion |
front 54 the duct system of the male reproductive system does not include | back 54 corpus spongiosum |
front 55 ovulating oocyte is activated by hormones | back 55 110 days before ovulation |
front 56 prostate cancer | back 56 sometimes a slow growing cancer that may never represent a threat to the patient |
front 57 cells on the dorsal surface of the two layered embryonic disc migrate to migrate to form a raised groove known as the | back 57 primitive streak |
front 58 the result of polyspermy in humans is | back 58 a nonfunctional zygote |
front 59 it is impossible for sperm to be functional until after | back 59 undergo capacitation |
front 60 milk ejection or letdown reflex is stimulated by what hormone | back 60 oxytocin |
front 61 prepare mammary glands to secrete | back 61 corpus luteum |
front 62 the placenta is made of a contribution from mother and fetus . which is from fetus | back 62 chorion |
front 63 Hormone relaxing function | back 63 relax pubic symphysis |
front 64 how proteases and acrosin function in reproduction | back 64 they act to break down the protective barriers around the eggs allows sperm to penetrate |
front 65 not a germ layer | back 65 epiderm |
front 66 formation of endodermal and ectodermal germ layers occur at | back 66 gatrulation |
front 67 hormone maintains viability of the corpus luteum | back 67 human chorionic gonadotrpin |
front 68 unlikely method of producing a child | back 68 ectopic implatation |
front 69 Not correct matching of a fetal structure with what it becomes a birth | back 69 ductus arteriosus ligamentum teres |
front 70 implantetion involves | back 70 embedding of the blastocyst in the uterine wall |
front 71 the umbilical arteries carry | back 71 waste products to the placenta |
front 72 sequence of preembryonic | back 72 zygote morula blastocyst |
front 73 Not assessed as part of the apgar score | back 73 temperature |
front 74 hormone for lactation | back 74 oxytocin |
front 75 initially embryo obtain nutrition by | back 75 digestion of endometrial cells |
front 76 doesnt onset labor | back 76 aspirin and similar drugs |
front 77 fertilization | back 77 millions of sperms cells are destroyed by the vagina acidic environment |
front 78 shortly after implantation | back 78 The trophoblast forms two distinct layers |
front 79 the dorsal surface cells of the inner cell of inner cell mass form | back 79 the primitive streak |
front 80 muscle tissue is form | back 80 mesoderm |
front 81 neutral tissue is formed by the | back 81 ectoderm |
front 82 the trophoblast is mostly responsible for forming | back 82 placenta tissue |
front 83 cardiovascular system of newborn must be adjused after first breath also | back 83 the ductus arterioso constrict and is converted to ligament arteriosum |
front 84 sperm movement | back 84 reverse peristalsis of the uterus and uterine tubes |
front 85 after birth expelled | back 85 Placenta |
front 86 Hormone not produce by placenta | back 86 inhibin |
front 87 fetus is delivered | back 87 expulsion stage |
front 88 implantation of the blastocyst is the result of all except | back 88 phagocytosis by the trophoblast cells |
front 89 cleavage as part embryonic development involves | back 89 cell division by mitosis little no growth between |
front 90 pass trough the placenta barries | back 90 nutrients respiratory gases wastes and alcohol |
front 91 not a teratogen | back 91 apirin |
front 92 derivatives of ectoderm | back 92 epithelium of the pineal and pituitary glands |
front 93 derivatives of mesoderm | back 93 endothelium of blood and lymph vessel |
front 94 derivatives of endoderm | back 94 epithelium of the respiratory track |
front 95 developmental events during 9-12 weeks | back 95 sex |
front 96 occurs in fertilization of the ovum occurs and implantation takes place | back 96 corpus luteum is maintained until the placenta takes over its hormones producing functions |
front 97 fetal blood vessel | back 97 the umbilical vein becomes the ligament teres |
front 98 is not true about fertilization event | back 98 the two pronuclei divide |
front 99 the decidua basalis is | back 99 located between the developing embryo and the myometrium |