Reproductive Multiple Choice Questions HAN 202(1)

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Reproductive Multiple Choice Questions HAN 202 Name: 1) The primary function of the uterus is to __D______. A) protect the ovaries B) synthesize female hormones C) regulate the ovarian and menstrual cycles D) receive, retain, and nourish a fertilized ovum 2) If gametes were diploid like somatic cells, how many chromosomes would the zygote contain? A A) twice the diploid number, and with every succeeding generation, the chromosome number would continue to double and normal development could not occur B) triple the diploid number, and with every succeeding generation, the chromosome number would continue to triple and normal development would not occur C) half the diploid number with no change in development D) There is no relationship between gametes and somatic cells. 3) The constancy of the chromosome number from one cell generation to the next is maintained through _____B___. A) mitosis B) meiosis C) cytokinesis D) DNA synthesis 4)Spermiogenesis involves the ____C____. A) formation of four haploid cells from a spermatogonium B) movement of sperm in the female genital tract C) formation of a functional sperm by the stripping away of superfluous cytoplasm D) sequence of events in the rete testis 5) Which of the following statements about sperm is true? D A) They contain very little cytoplasm or stored nutrients. B) The acrosome is produced by the Golgi apparatus and contains hydrolytic enzymes. C) The sperm midpiece consists of mitochondria spiraled tightly around the contractile filaments of the tail. D) All of the above are true 6) Which is not a part of the proliferative phase of the female menstrual cycle? c A) late in this phase, cervical mucus becomes thin and crystalline B) vesicular follicle growth C) corpus luteum D) development of endometrial cells
7) Erection of the penis results from ____B____. A) a sympathetic reflex B) parasympathetic activation of the bulbourethral glands C) dilation of the veins in the penis D) a parasympathetic reflex 8) Select the correct statement about the uterine cycle. D A) The menstrual phase of the cycle is normally from day 1 to day 8. B) During the secretory phase, estrogen levels are at their highest. C) During the proliferative phase, levels of progesterone rise as the follicle begins to produce more hormone. D) If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo. 9) Which of the following statements is true concerning the mammary glands of both males and females? D A) Both sexes are equally prone to breast cancer. B) All lumps identified in breast tissue are malignant. C) The only time hormones target breast tissue is during pregnancy and lactation. D) The mammary glands are modified sweat glands that are actually part of the integumentary system. 10) The basic difference between spermatogenesis and oogenesis is that __c______. A) during spermatogenesis two more polar bodies are produced B) the mature ovum is n, while the sperm is 2n C) in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell D) spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only 11) Which of these statements about sexually transmitted infections is false? C A) Chlamydia is caused by bacteria that can often be asymptomatic or bring on a wide variety of symptoms. B) Gonorrhea is caused by a bacterium that can bring on painful discharges in males. C) Syphilis is caused by a virus that may lead to death if untreated. D) Genital herpes is caused by a virus that may cause intermittent lesions. 12) A boy who has not passed through puberty sustains an injury to his anterior pituitary such that FSH is no longer released, but LH is normal. After he grows to maturity, one would expect that he would ______A__. A) be unable to produce viable sperm B) not develop secondary sex characteristics C) be impotent (unable to have an erection) D) have impaired function of interstitial cells
13) All of the following statements referring to the uterine cycle are true except _____A___. A) FSH and LH directly promote development of the uterine endometrium B) estrogen is secreted by the developing follicle in the follicular phase of the cycle C) the corpus luteum is formed from the ruptured follicle after ovulation D) a decrease in the levels of ovarian hormones signals menstruation 14) The most important risk for testicular cancer in young males is ___C_____. A) smoking B) a diet high in fat C) undescended testes D) sexually transmitted infections 15) The ability of a male to ejaculate is due to the action of _d_______. A) parasympathetic nerves B) the dartos muscle C) luteinizing hormone D) the bulbospongiosus muscles
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