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Chapter 27: The Reproductive System (Mastering)
front 1 Meiosis starts with a single diploid cell and produces four haploid cells. four diploid cells. eight haploid cells. two haploid cells. two diploid cells. | back 1 four haploid cells |
front 2 A cell preparing to undergo meiosis duplicates its chromosomes during interphase. prophase I. metaphase I. meiosis II. anaphase I. | back 2 interphase. |
front 3 During prophase I of meiosis, there are two daughter cells, each with 23 chromosomes. chromosome pairs are positioned in the middle of the cell. homologous chromosomes stick together in pairs. the homologous chromosomes separate and move towards opposite poles. there are four haploid daughter cells. | back 3 homologous chromosomes stick together in pairs. |
front 4 The correct order of events during meiosis is prophase I, anaphase I, metaphase I, telophase I, meiosis II, cytokinesis. prophase I, anaphase I, telophase I, metaphase I, meiosis II. metaphase I, prophase I, anaphase I, telophase I, cytokinesis, meiosis II. prophase I, metaphase I, anaphase I, telophase I, cytokinesis, meiosis II. metaphase I, prophase I, telophase I, anaphase I, cytokinesis, meiosis II. | back 4 prophase I, metaphase I, anaphase I, telophase I, cytokinesis, meiosis II. |
front 5 During meiosis, segments of nonsister chromatids can trade places. This recombination of maternal and paternal genetic material is a key feature of meiosis. During what phase of meiosis does recombination occur? prophase I. meiosis II. telophase I. anaphase I. Metaphase I. | back 5 prophase I. |
front 6 Art Based Question Can you fill in the meiosis concept map? | back 6  See Photo A) Diploid Organism B) Haploid Organism C) Meiosis II D) Maternal Chromosome E) Crossing Over Occurs F) Sister Chromatids Separate |
front 7 Which of the following reduces circulating blood levels of follicle-stimulating hormone (FSH) when the sperm count is high? androgen-binding protein (ABP) inhibin estradiol luteinizing hormone (LH) | back 7 inhibin |
front 8 Which of the following would most directly interfere with sperm production? ingestion of a substance that mimicked inhibin interruption of sustentocytes' production of ABP low sperm count use of synthetic steroids (testosterone) | back 8 interruption of sustentocytes' production of ABP |
front 9 The release of __________ encourages sustentocytes to release __________. inhibin; testosterone luteinizing hormone; testosterone luteinizing hormone; androgen-binding protein follicle-stimulating hormone; androgen-binding protein | back 9 follicle-stimulating hormone; androgen-binding protein |
front 10 In males, which of the following includes the correct target and result of LH stimulation? interstitial cells: ABP secretions sustentacular cells: increase spermatogenesis interstitial cells: androgen secretions sustentacular cells: increase testosterone | back 10 interstitial cells: androgen secretions |
front 11 Which of the following cells is released during ovulation? primary oocyte oogonium secondary oocyte ovum | back 11 secondary oocyte |
front 12 Why does only one egg, rather than four eggs, develop during oogenesis, given that spermatogenesis results in four sperm formed from one stem cell? Actually, gametogenesis (oogenesis in the female and spermatogenesis in the male) produces four eggs and four sperm. The unequal cytoplasmic division that results in one egg and three polar bodies ensures that a fertilized egg has ample nutrients for its journey to the uterus. Only one egg can be fertilized at a time. The egg does not go through the meiotic division processes that the sperm undergo. | back 12 The unequal cytoplasmic division that results in one egg and three polar bodies ensures that a fertilized egg has ample nutrients for its journey to the uterus. |
front 13 Formation of a secondary oocyte occurs during __________. ovulation the luteal phase the follicular phase pregnancy | back 13 the follicular phase |
front 14 A surge in __________ directly triggers ovulation. estrogen progesterone follicle-stimulating hormone (FSH) luteinizing hormone (LH) | back 14 luteinizing hormone (LH) |
front 15 What event coincides with the transition from the proliferative phase to the secretory phase? Stratum functionalis is shed. Enrichment of the blood supply and glandular secretions prepare for reception of an embryo. menstruation ovulation | back 15 ovulation |
front 16 During what phase of the female’s uterine cycle is the uterine lining shed? menstrual phase secretory, or postovulatory, phase proliferative phase preovulatory phase | back 16 menstrual phase |
front 17 What ovarian structure forms at the beginning of the secretory phase, encouraging its progress, and then degenerates just before menses? corpus albicans vesicular follicle primary follicle corpus luteum | back 17 corpus luteum |
front 18 During the secretory phase of the uterine cycle, __________. the endometrium is shed ovulation occurs the functional layer of the endometrium regenerates the endometrium prepares for implantation | back 18 the endometrium prepares for implantation |
front 19 What anterior pituitary-produced hormone works in conjunction with gonadal steroids to promote bone development? growth hormone prolactin luteinizing hormone follicle-stimulating hormone | back 19 growth hormone |
front 20 Which male reproductive structure is NOT correctly matched with its function? epididymis: produce sperm bulbourethral gland: neutralize urethra before ejaculation ductus deferens: carry sperm toward ejaculation seminal vesicles: produce semen | back 20 epididymis: produce sperm |
front 21 Which gland is NOT matched with its type of secretion? seminal vesicles: 70% of seminal volume prostate gland: milky, acidic semen bulbourethral glands: lubricating secretion urethra: clear, viscous mucus that neutralizes urine | back 21 urethra: clear, viscous mucus that neutralizes urine |
front 22 Which of the following cells remains at the basal lamina to continue the pool of dividing germ cells? type A daughter cells type B daughter cells primary spermatocytes secondary spermatocytes | back 22 type A daughter cells |
front 23 What is the function of the blood-testis barrier? to prevent activation of the immune system of the male against the developing sperm to filter out male sex hormones to ensure that semen contains only sperm and seminal fluid to provide only select nutrients to the developing sperm | back 23 to prevent activation of the immune system of the male against the developing sperm |
front 24 Which of the following statements best describes the round ligament? It connects the uterus to the labia majora. It anchors the uterus and the ovary. It anchors the ovary to the pelvic wall. It is a large ligament that supports the ovaries, fallopian tubes, and uterus. | back 24 It connects the uterus to the labia majora. |
front 25 The __________ is shed during each menstruation and is then regenerated by the __________. stratum functionalis; stratum basalis stratum basalis; stratum functionalis stratum functionalis; myometrium myometrium; perimetrium | back 25 stratum functionalis; stratum basalis |
front 26 Which of the following is an INCORRECT matching of female reproductive structures with their functions? uterine tube: transport unfertilized ovum to uterus for removal from the body uterus: the womb--area of development of the fetus ovarian follicle: ovum (egg) production vagina: birth canal | back 26 uterine tube: transport unfertilized ovum to uterus for removal from the body |