Chapter 48

Which of the following is not an example of asexual reproduction? (a) budding (b) external fertilization (c) fragmentation (d) parthenogenesis (e) regeneration to form a new individual from a fragment

Hermaphroditism (a) is a form of asexual reproduction (b) occurs when an unfertilized egg develops into an adult animal (c) involves cross- fertilization between two animals (d) typically involves self-fertilization (e) typically involves only one animal.

The seminiferous tubules (a) are the site of spermatogenesis (b) produce most of the seminal fluid (c) empty directly into the vas deferens (d) are located within the cavernous body (e) receive fluid from the bulbourethral glands.

Which sequence best describes the passage of sperm? (1) seminiferous tubules ( 2 ) vas deferens ( 3 ) epididymis (4) ejaculatory duct (5) urethra (a) 3,1,2,4,5 (b) 1,3,2,4,5 (c) 5,4,2,3,1 (d) 1,3,4 \(2,5(\mathrm{e}) 3,1,4,2,5\)

Which of the following characteristics is not associated with testosterone? (a) maintains secondary sex characteristics (b) responsible for primary sex characteristics (c) principal androgen (d) protein hormone (e) necessary for spermatogenesis.

Androgen-binding protein (a) is secreted by Sertoli cells (b) stimulates estrogen production (c) inhibits secretion of FSH (d) inhibits spermatogenesis (e) two of the preceding answers are correct.

Which of the following cells is haploid? (a) primary oocyte (b) oogonium (c) secondary oocyte (d) corpus luteum (e) follicle cell

After ovulation the secondary oocyte enters the (a) ovary (b) corpus luteum (c) cervix (d) oviduct (e) vagina

The endometrium (a) is the muscle layer of the uterus (b) is thickest during the preovulatory phase (c) is the site of embryo implantation (d) lines the vagina (e) is directly affected by FSH

The hormone that reaches its highest level during the postovulatory phase is (a) progesterone (b) estrogen (c) \(\mathrm{FSH}\) (d) \(\mathrm{LH}\) (e) testosterone

Uterine contraction is strongly stimulated by (a) progesterone (b) FSH (c) LH (d) inhibin (e) oxytocin.

Which of the following is not a hormonal type of contraception? (a) Depo-Provera (b) contraceptive diaphragm (c) injectable progestin (d) birth control patch (e) oral contraceptives.

Pelvic inflammatory disease is commonly caused by (a) syphilis (b) gonorrhea (c) genital herpes (d) HIV (e) chlamydia.