With the removal of the ovaries,a woman's natural ________ level drops.

A) testosterone
B) prolactin
C) dopamine
D) serotonin

Testosterone

A steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes.

Prolactin

A hormone produced by the anterior pituitary gland that stimulates milk production in mammals after childbirth.

Dopamine

A neurotransmitter in the brain that plays a key role in controlling the brain's reward and pleasure centers as well as regulating movement and emotional responses.