Question

Secretion of testosterone 

A. Depresses pituitary secretion of LH. 

B. Causes the epiphyses of long bones to unite. 

C. May lead to a negative nitrogen balance. 

D. Stimulates growth of scalp hair. 

E. Stimulates growth of body hair.

Answer 1

A. True This negative feedback keeps blood testosterone constant. 

B. True Sexual precocity can cause short stature. 

C. False Testosterone is anabolic and leads to skeletal muscle hypertrophy. 

D. False Scalp hair tends to recede. 

E. True This is a male secondary sexual characteristic.