Exam 4 Questions Chapter 24: Structure and Function of the Reproductive Systems MULTIPLE CHOICE

Exam 4 Questions Chapter 24: Structure and Function of the Reproductive Systems MULTIPLE CHOICE 1. The initial reproductive structures of the male and female embryos appear the same until which week of gestation? a. ...

Exam 4 Questions Chapter 24: Structure and Function of the Reproductive Systems MULTIPLE CHOICE 1. The initial reproductive structures of the male and female embryos appear the same until which week of gestation? a. Third c. Twentieth b. Eighth d. Thirtieth 2. The absence of which major hormone is a determinant of sexual differentiation (wolffian system) in utero? a. Estrogen c. Growth hormone b. Progesterone d. Testosterone 3. Which gland produces the associated hormones that are found in high levels in a female fetus? a) Posterior pituitary excretes gonadotropin-releasing hormone (GnRH) and luteinizing hormone (LH). b) Hypothalamus excretes luteinizing hormone (LH) and gonadotropin- releasing hormone (GnRH). c) Anterior pituitaryfollicle-stimulating hormone (FSH) and luteinizing hormone (LH). d) Hypothalamus excretes gonadotropin-releasing hormone (GnRH) and follicle-stimulating hormone (FSH). 4. Which hormone is linked to an increase in appetite during puberty? a. Inhibin c. Activin b. Leptin d. Follistatin 5. The Skene glands are located on either side of which structure? a. Introitus c. Clitoris b. Urinary meatus d. Vestibule 6. What is the function of the mucus secreted by the Bartholin glands? a) Enhancement of the motility of sperm b) Lubrication of the urinary meatus and vestibule c) Maintenance of an acid-base balance to discourage proliferation of pathogenic bacteria d) Enhancement of the size of the penis during intercourse 7. Which change is a result of puberty and defends the vagina from infection? a) The pH stabilizes between 7 and 8. b) A thin squamous epithelial lining develops. c) V aginal pH becomes more acidic. d) Estrogen levels are low. 8. What happens to the vagina’s lining at puberty? a) It becomes thinner. c. It assumes a neutral pH. b) It becomes thicker. d. It undergoes atrophy. 9. Which structure is lined with columnar epithelial cells? a. Perimetrium c. Myometrium b. Endocervical canal d. Vagina 10. Where is the usual site of fertilization of an ovum? a) Trumpet end of the fallopian tubes c. Ampulla of the fallopian tubes b) Fimbriae of the fallopian tubes d. Os of the fallopian tubes 11. Where is the usual site of cervical dysplasia or cancer in situ? a) Squamous epithelium of the cervix meets the cuboidal epithelium of the vagina. b) Columnar epithelium of the cervix meets the squamous epithelium of the uterus. c) Squamous epithelium of the cervix meets the columnar epithelium of the uterus. d) Columnar epithelium of the cervix meets the squamous epithelium of the vagina. . 12. Having ejected a mature ovum, the ovarian follicle develops into a(n): a) Atretic follicle c. Corpus luteum b) Thecal follicle d. Functional scar 13. The mucosal secretions of the cervix secrete which immunoglobulin? a. IgA c. IgG b. IgE d. IgM 14. The equivalent to the female gonad is the male: a) Epididymis c. Vas deferens b) Spermatic cord d. Testes . 15. A surge of which hormone causes the corpus luteum to produce progesterone? a) Follicle stimulating hormone c. Gonadotropin-releasing hormone b) Luteinizing hormone d. Estrogen 16. What directly causes ovulation during the menstrual cycle? a) Gradual decrease in estrogen levels c. Sharp rise in progesterone levels b) Sudden increase of LH d. Gradual increase in estrogen levels 17. Which anatomic structure secretes follicle stimulating hormone (FSH) and luteinizing hormone (LH)? a) Hypothalamus c. Anterior pituitary b) Ovaries d. Adrenal cortex .............................................................................continued........................................................................................................