One Side Effect of Taking Testosterone as a Steroid to Increase

question 51

Multiple Choice

One side effect of taking testosterone as a steroid to increase muscle bulk is that the testes often shrink.Since the testes also produce testosterone,what is the likely mechanism for this shrinkage?

• A)The anterior pituitary assumes overproduction and drops the level of hormones that cause the testes to develop.
• B)Artificial testosterone causes a negative feedback to the anterior pituitary that in turn tries to stimulate ovary development.
• C)Testosterone has a negative feedback effect directly on testes.
• D)Artificial testosterone is toxic to testicular cells.
• E)Excess testosterone actually backfires and reverses the effects of puberty.

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Definitions:

Ground Dwellers

Organisms that live and spend most of their life on the ground as opposed to in trees or water.

Strepsirhines

The subdivision within the primate order based on shared genetic characteristics; includes lemurs and lorises.

Apes

A group of primates that includes gibbons, orangutans, gorillas, chimpanzees, and humans, characterized by their lack of tails and more advanced cognitive abilities compared to other primates.

Bonobos

A species of great ape known for its matriarchal society and peaceful, cooperative behaviors, closely related to chimpanzees.