Question

For normal development and fertility of spermatozoa there must be

A. Secretion of testosterone.

B. Secretion of luteinizing hormone.

C. Secretion of follicle-stimulating hormone.

D. A testicular temperature of 37oC.

E. A ***** count of more than 1010/ml.

Answer 1

A. True In its absence spermatogenesis is depressed.

B. True This controls secretion of testosterone.

C. True This also is required by the germinal epithelium.

D. False Testicular temperature should be maintained around 32oC.

E. False The normal value is around 108/ml.