Practice Test Questions

Questions & answers from the Lecture Quiz 6 Practice Test

Which of the following is true regarding sustentacular cells?

A. Provide structural support for spermatogonia development.

B. Form the blood testis-barrier.

C. Secrete substances that stimulate mitosis of spermatogonia & initiation of meiosis.

D. Provide nutrients.

E. Phagocytize damaged spermatogenic cells and excess cytoplasm released from maturing spermatids.

F. Produce androgen-binding protein and inhibin that regulate spermatogenesis.

G. All of the above.

G, all are true

Which of the following statements is false?

A. Leydig cells are between seminiferous tubules.

B. Leydig cells are muscle-like cells surrounding seminiferous tubules.

C. Myoid Cells are muscle-like cells surrounding seminiferous tubules.

D. Myoid cells contract pushing sperm and fluid through tubules.

B, Leydig cells are NOT muscle-like cells surrounding seminiferous tubules, myoid cells ARE

• The second function of leydig cells is the production and secretion of androgens (mostly testosterone)

Which of the following statements is true regarding male sexual response?

A. An erection results when erectile tissue in the penis is engorged with blood.

B. During an erection, a parasympathetic reflex releases nitric oxide from endothelial cells that dilate arterioles of the penis.

C. Ejaculation is the expelling of semen from the penis.

D. Ejaculation is under sympathetic control.

E. All of the above.

E, all are true

Which of the following statements is true regarding the accessory gland contribution to semen volume?

A. The seminal vesicles contribute 60-70% of semen volume.

B. The prostate gland contributes 20-30% of semen volume.

C. The bulbourethral gland contributes <5% of semen volume.

D. All of the above.

D, all are true

Which of the following is not secreted by the seminal vesicles?

A. Fructose - a nutrient used by sperm to make ATP.

B. Prostaglandins - contract smooth muscle and increase sperm viability.

C. Coagulating proteins and enzymes - forms a clot of semen in the female reproductive tract.

D. Citrate - used by sperm to make ATP.

D, citrate is NOT secreted by the seminal vesicles

True or false: Cryptorchidism is a disorder in which the testes descend into the scrotum.

False, Cryptorchidism is a disorder in which the testes FAIL to descend into the scrotum, causing no sperm to be produced

Which of the following statements is true regarding oogenesis?

A. Oogenesis is the production of female gametes.

B. Oogenesis occurs in the follicles of the ovarian cortex.

C. Oogenesis occurs in the ovarian cortex.

D. All of the above.

D, all are true

Which of the following statements is a function of the uterus?

A. Pathway of sperm for fertilization.

B. Site of implantation of ovum.

C. Nutritional support for the fetus.

D. Provides contractions during birth.

E. All of the above

E, all are functions of the uterus

True or false: Mammary glands are modified sweat glands for milk production.

True

Which of the following statements regarding the female perineum is true?

A. The female perineum is a diamond-shaped region between the pubic arch, coccyx, and ischial tuberosities.

B. The clinical perineum is between the vagina and anus.

C. The clinical perineum is often the site of incision during childbirth, called the episiotomy.

D. All of the above.

D, all are true

Which of the following statements is false regarding the layers of the uterus?

A. Myometrium is the outermost serous layer.

B. Perimetrium is the outermost serous layer.

C. Myometrium is the thick middle smooth muscle layer.

D. Endometrium is the innermost mucous layer.

A, myometrium is NOT the outermost serous layer, perimetrium IS

• Myometrium is the thick middle smooth muscle layer

Which of the following statements is false regarding the male urethra?

A. The prostatic urethra is surrounded by the prostate gland.

B. The spongy urethra passes through the penis and ends at the external urethral orifice.

C. The spongy urethra passes through the ejaculatory duct.

D. The membranous urethra passes through the external urethral sphincter.

C, the spongy urethra does NOT pass through the ejaculatory duct

Which of the following statements is false?

A. The prepuce is the glans penis.

B. The prepuce is the foreskin covering the penis that is removed during circumcision.

C. The body of the penis enlarges at the end as the glans penis.

D. The penile root connects to the pelvic bones.

E. All of the above.

A, the prepuce is NOT the glans penis, it is the foreskin covering the penis that is removed during circumcision

Which of the following statements is apart of the process of spermatogenesis?

A. Spermatogonium are stem cells that begin spermatogenesis.

B. Primary spermatocytes develop from spermatogonium via mitosis.

C. Secondary spermatocytes develop from primary spermatocytes via meiosis I.

D. Spermatids develop from secondary spermatocytes via meiosis II.

E. All of the above

E, all are apart of the process of spermatogenesis

Which of the following statements is false regarding the process of spermiogenesis?

A. Spermiogenesis is the process of maturation of spermatids.

B. Spermatids elongate and shed excess cytoplasm.

C. Acrosome forms over the nucleus to assist during fertilization.

D. More mitochondria are produced.

E. Sperm remains connected to sustentacular cells.

E, The sperm LOSE their connections to sustentacular cells and are released into the lumen of the seminiferous tubules

True or false: Emission and expulsion are both the movement of sperm, testicular fluids, and secretions from the prostate gland and seminal vesicle into the urethra.

True

True or false: The ovary, cervix, uterus, and vagina are all the main female gonad.

False, the female gonad is ONLY the ovaries

Which of the following statements is true regarding the uterine tubes?

A. The isthmus connects the uterine tube to the uterus.

B. Ciliated fimbriae cover the ovary at the end of the infundibulum.

C. Fertilization usually occurs in the ampulla.

D. A and B.

E. A, B, and C.

E, statements A, B, and C are all true

True or false: During an erection, blood from the testicular arteries fills the vascular spaces of the corpus spongiosum of the penis.

False, during an erection, blood from the testicular arteries fills the vascular spaces of the corpora cavernosa of the penis, NOT the corpus spongiosum

Which of the following is not secreted by the prostate gland?

A. Citrate.

B. Fructose.

C. Prostate specific antigens and enzymes.

D. Antimicrobial chemicals.

B, fructose is NOT secreted by the prostate gland

True or false: Spermatogonia and primary spermatocytes are diploid and secondary spermatocytes and spermatids are haploid.

True

True or false: Fructose is secreted by the seminal vesicles and citrate is secreted by the prostate gland.

True

Which of the following is false regarding the clitoris?

A. Part of the vestibule.

B. A small structure corresponding to the corpora cavernosa of the penis.

C. Internal female genitalia.

D. Engorges with blood and is innervated by sensory, motor and autonomic fibers.

C, the clitoris is NOT internal female genitalia, it IS external female genitalia

True or false: The muscularis of the ductus (vas) deferens consists of 1 circular layer and 2 longitudinal layers of smooth muscle.

True, the muscularis of the ductus (deferens) consists of:

• Inner longitudinal layer

• Middle circular layer

• Outer longitudinal layer

True or false: The epididymis, ductus deferens, ejaculatory duct, and urethra are all apart of the male duct system.

True