Deck 17: Male Reproductive System

Question 1

Which cells in the testis synthesize testosterone?

A) Leydig cells
B) Myoid cells
C) Sertoli cells
D) Spermatocytes
E) Spermatogonia

Answer 1

A

Question 2

Extremely long microvilli,termed "stereocilia," are present in the:

A) Epididymis
B) Prostate gland
C) Rete testis
D) Seminiferous tubules
E) Seminal vesicle

Answer 2

A

Question 3

The corpus cavernosum,a mass of tissue rich in venous channels,is present in the:

A) Epididymis
B) Penis
C) Prostate gland
D) Rete testis
E) Vas deferens

Answer 3

B

Question 4

Which cells in the male reproductive system possess the smallest,most darkly stained nuclei?

A) Apical (mature)spermatids
B) Epithelial cells of the epididymis
C) Leydig cells
D) Sertoli cells
E) Spermatogonia

Question 5

In older individuals,condensed masses of secretory material (concretions)are visible in tissue sections of the:

A) Epididymis
B) Prostate
C) Seminal vesicles
D) Seminiferous tubules
E) Vas deferens

Question 6

Lipid droplets and pleomorphic mitochondria containing tubular cristae are found in:

A) Leydig cells
B) Sertoli cells
C) Spermatocytes
D) Spermatogonia
E) Spermatozoa

Question 7

Unusually large amounts of smooth muscle and a pseudostratified columnar epithelium are present in which reproductive structure?

A) Prostate gland
B) Rete testis
C) Seminiferous tubule
D) Tunica albuginea
E) Vas deferens

Question 8

In spermatozoa,a structure called the acrosome:

A) Contains dynein arms that control sperm motility
B) Contains proteolytic enzymes that function during fertilization of an ovum by sperm
C) Is a focal accumulation of rough endoplasmic reticulum
D) Localizes around mitochondria in the midpiece of the flagellum
E) Regulates the condensation of nuclear DNA

Question 9

In the testis,haploid cells that have completed meiosis are called:

A) Leydig cells
B) Sertoli cells
C) Spermatids
D) Spermatocytes
E) Spermatogonia