Deck 20: Spermatogenesis

Question 1

Meiosis II occurs in the

A) Primary spermatocyte
B) Secondary spermatocyte
C) Spermatid
D) Spermatogonia
E) Spermatozoa

Answer 1

B
Secondary spermatocyte

Question 2

During which phase of spermiogenesis does the manchette develop?

A) Acrosomal phase
B) Cap phase
C) Golgi phase
D) Maturation phase
E) Spermatid rotation phase

Answer 2

A
Acrosomal phase

Question 3

Testosterone is secreted by

A) Leydig cells
B) Principal cells
C) Sertoli cells
D) Spermatogenic cells
E) Spermatogonia

Answer 3

A
Leydig cells

Question 4

Which of the following is not true of Sertoli cells?

A) Their function is regulated by follicle-stimulating hormone
B) They are found in testicular interstitial tissue
C) They prevent cytotoxic agents from moving to the seminiferous tubules from the blood by forming tight junctions with adjacent Sertoli cells
D) They provide mechanical support for spermatogenic cells
E) They provide nutrition for spermatogenic cells

Question 5

Spermatogenic cells and Sertoli cells are found in the

A) Epididymides
B) Prostate
C) Rete testes
D) Seminiferous tubules
E) Vas deferens

Question 6

Which of the following are diploid structures?

A) Primary spermatocytes
B) Secondary spermatocytes
C) Sperm
D) Spermatids
E) Spermatozoa

Question 7

The substage of prophase of meiosis I in which synapsis begins is the _____ substage.

A) Diakinesis
B) Diplotene
C) Leptotene
D) Pachytene
E) Zygotene

Question 8

Diploid spermatogenic cells in direct contact with the basal lamina are

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