As part of a laboratory experiment, a rat's testes are surgically removed. It is very probable that the animal will experience a(n) _____ in the levels of testosterone and a(n) _____ in sexual activity and interest.
A) increase; increase
B) decrease; increase
C) increase; decrease
D) decrease; decrease

Question

Quizplus · Accepted Answer

Testosterone is produced in the testes, and the removal of the testes will result in a decrease in testosterone levels. Without testosterone, the rat is likely to experience a decrease in sexual activity and interest.

As Part of a Laboratory Experiment, a Rat's Testes Are