front 1 The correct sequence of preembryonic structures is _______. | back 1 zygote, morula, blastocyst |
front 2 1) Human papillomavirus 2) organism responsible for up to half of the diagnosed cases of pelvic inflammatory disease 3) treponema pallidum 4) human herpes virus type 2 | back 2 Answers in order Genital warts 1 chlamydia 2 syphilis 3 Genital herpes 4 |
front 3 Mature follicle location | back 3 |
front 4 Primary follicle | back 4 |
front 5 The early stage of embryonic development during which rapid mitotic cell divisions occur as the zygote travels down the uterine ( fallopian ) tube is called _____. | back 5 cleavage |
front 6 vesicular ( Graafian ) follicle | back 6 |
front 7 Stem cell | back 7 |
front 8 The presence of more oxytocin receptors in the uterus leads to weak, irregular contractions known as ____. | back 8 Braxton hicks |
front 9 the fluid-filled sac surrounding the fetus is the ____. | back 9 amnion |
front 10 Male sex chromosomes are represented as _____. | back 10 XY |
front 11 Normally menstruation occurs when ____. | back 11 blood levels of estrogen and progesterone decrease |
front 12 Which of the following is a correct statement about uterine tubes? | back 12 the infundibulum is the funnel-shapped region near the ovary |
front 13 The pap smear is a test to detect cancerous changes in cells of the cervix | back 13 True |
front 14 the ligament that anchors the anterior portion of the uterus is called the _____. | back 14 round ligament |
front 15 All of the following things occur during meiosis I with the exception of one thing. Select the statement below that does not occur during meiosis I. | back 15 the sister chromatids are separated from each other |
front 16 the fatty, rounded area overlying the pubic symphysis of a female is the _____. | back 16 mons pubis |
front 17 the series of events that expel the infant from the uterus are referred to collectively as _____. | back 17 labor |
front 18 acrosome | back 18 |
front 19 location of mitochondria | back 19 |
front 20 As the infants head is forced against the cervix with each contraction, the cervix effaces, which means that it | back 20 thins |
front 21 trace the pathway of sperm through the duct system during ejaculation ______. | back 21 epididymis, ductus (vas) deferens, ejaculatory duct, urethra |
front 22 which hormone is the necessary trigger for ovulation to occur? | back 22 LH |
front 23 secretion of progesterone stimulates ______. | back 23 preparation of the mammary glands for lactation |
front 24 the basic difference between spermatogenesis and oogenesis is that _____ | back 24 in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell |
front 25 the hormone responsible for the development and maintenance of male secondary sexual characteristics is | back 25 testosterone |
front 26 menopause, which ends childbirth ability, is considered to have occurred when a woman _____ | back 26 has gone a year without menstuation |
front 27 the placenta and its attached fetal membranes, expelled from the uterus during the placental stage of labor, are collectively referred to as ____ | back 27 the after birth |
front 28 flagellum | back 28 |
front 29 the duct system of the male reproductive system includes all but which of the following? | back 29 corpus spongiosum |
front 30 which of the following is not a primary germ layer | back 30 epiderm |
front 31 All but one of the following statements is true of uterine function. select the statement that is not true of uterine function. | back 31 the narrow portion of the uterus near the cervix is the most typical site of fertilization |
front 32 all but one of the following statements describes the necessity of the blood testis barrier. select the one statement that does not describe a necessity of the blood testis barrier. | back 32 sperm can only be produced at temperatures lower than body temperature. inflammation in the testis could raise the temperature too high to produce sperm. |
front 33 the gonads produce sex cells, also known as | back 33 gametes |
front 34 the structures that receive the ovulated oocyte, providing a site for fertilization, are called the | back 34 fallopian tubes |
front 35 corpus luteum | back 35 |
front 36 the movement of an egg cell down a uterine tube is aided by | back 36 both ciliary action and peristaltic contractions |
front 37 thick, clear mucus that cleanses the urethra of acidic urine is produced by the | back 37 bulbo-urethral glands |
front 38 fertilization generally occurs in the | back 38 fallopian tubes |
front 39 early spermatids | back 39 |
front 40 Match 1) forms the mothers part of the placenta 2) becomes the embryonic disc 3) surrounds the uterine cavity face of the implanted embryo 4) forms the chorion | back 40 Answers in order decidua basalis 1 inner cell mass 2 decidua capsularis 3 trophoblast 4 |
front 41 which of the choices below occurs if implantation is successful | back 41 the corpus luteum is maintained until the placenta takes over its hormone-producing functions. |
front 42 the dartos and cremaster muscles are important to the integrity of the male reproductive system. which of the following is true about the role they play? | back 42 they regulate the temperature of the testes |
front 43 by the end of the embryonic period, at 8 weeks, all the adult organ systems are recognizable | back 43 true |
front 44 the process by which the acrosome membranes of sperm break down is known as | back 44 the acrosomal reaction |
front 45 select the correct statement about the hormonal events of the ovarian cycle | back 45 high estrogen levels result in a surge of LH release |
front 46 select the correct statement about male sexual response | back 46 erection is the result of vascular spaces in the erectile tissues filling with blood |
front 47 meiosis occurs during | back 47 both spermatogenesis and oogenesis |
front 48 Days 6-14 of the uterine (menstrual) cycle are known as the ____ phase. this phase concludes with ovulation | back 48 proliferative |
front 49 Match 1) leads to the development of a morula and then a blastocyst 2) leads to the formation of the first cell of the new individual 3) leads to the establishment of the three primary germ layers 4) leads to enhancement of sperm motility and increasing membrane fragility to enable enzyme release from acrosomes 5) embedding of the blastocyst in the uterine wall | back 49 Answers in order cleavage 1 fertilization 2 gastrulation 3 capacitation 4 implantation 5 |
front 50 the infant is delivered during the second stage of labor known as the _____stage | back 50 expulsion |
front 51 ovarian follicles contain mature eggs | back 51 false |
front 52 human egg and sperm are similar in that | back 52 they have the same number of chromosomes |
front 53 in the block to polyspermy, entry of the sperms contents causes _____ levels in the oocytes cytoplasm to rise, triggering the cortical reaction | back 53 calcium ion |
front 54 failure of the testes to descend into the scrotum is a condition known as _____ | back 54 cryptorchidism |
front 55 an episiotomy is an incision made to widen the vaginal orifice, aiding fetal expulsion | back 55 true |
front 56 the stage called ovulation | back 56 |
front 57 which of the following statements about spermatogenesis is not true | back 57 each spermatid forms two sperm |
front 58 the innermost mucosa layer of the uterus is called the | back 58 endometrium |
front 59 which is not a part of the proliferative phase of the female menstrual cycle | back 59 corpus luteum |
front 60 which of the following female structures is homologous to the male scrotum | back 60 labia majora |
front 61 in fetal circulation, one way in which blood bypasses the nonfunctional lungs is by way of the foramen ovale | back 61 true |
front 62 the constancy of the chromosome number from one cell generation to the next is maintained through | back 62 meiosis |
front 63 first cells with n number of chromosomes | back 63 |
front 64 cells of the _____ gather around the notochord and neural tube and produce the vertebra and rib at their associated level | back 64 sclerotome |
front 65 which of the following glands are responsible for 70% of the synthesis of semen | back 65 the seminal vesicles |
front 66 select the correct statement about testosterone control | back 66 GnRH from the hypothalamus causes FSH and LH release from the anterior pituitary |
front 67 of the three germ layers, the mesoderm forms the most body parts | back 67 true |
front 68 the most important risk for testicular cancer in young males is | back 68 failure of the testis to make their normal decent |
front 69 Milk ejection ( the letdown reflex ) is stimulated by which of the following hormones associated with pregnancy | back 69 oxytocin |
front 70 which of the following refers to the transfer of sperm and harvested oocytes together into the woman's uterine tubes in the hopes that fertilization will take place there | back 70 gamete intrafallopian transfer (GIFT) |
front 71 primary spermatocyte | back 71 |
front 72 Undifferentiated spermatogenic cells are called | back 72 spermatogonia |
front 73 the enlarged tip of the penis is called the | back 73 glans penis |
front 74 primordial follicle | back 74 |
front 75 which of the choices below is not a function of the vagina | back 75 serves as a passageway for the primary oocyte |
front 76 the male and female reproductive systems | back 76 transport sex cells to sites of fertilization secrete hormones for developing secondary sex characteristics produce sex cells secrete hormones for maintaining secondary sex characteristics (Answer) All of the above |
front 77 women athletes sometimes experience disturbances in their reproductive cycles because of | back 77 decreased synthesis of estrogens |
front 78 the hypothalamic-pituitary-gonadal axis | back 78 involves FSH and LH release |
front 79 all but one of the following statements are true regarding the differences between early and late spermatids. select the answer below that does not reflect a difference between early and late spermatids | back 79 early spermatids have not undergone meiosis and are still diploid |
front 80 type B spermatogonia | back 80 |
front 81 androgens are | back 81 male sex hormones |
front 82 the first major event in organogenesis is | back 82 neurulation |
front 83 the genetic determinate for male reproductive development is | back 83 the SRY gene |
front 84 Follicle-stimulating hormone causes a primordial follicle to start the maturation process | back 84 true |
front 85 the amount of testosterone and sperm produced by the testes is dependent on the influence of FSH alone. | back 85 false |
front 86 the hormone mainly responsible for the development and maintenance of female secondary sexual characteristics is | back 86 estrogen |
front 87 the pigmented area of a females breast that surrounds the nipple is the | back 87 areola |
front 88 it is necessary for the testes to be kept below body temperature for abundant, viable sperm formation | back 88 true |