Prolactinomas are the most common type of pituitary tumor.Symptoms of prolactinoma in women include infertility and atypical menstruation.Which is the best explanation for this observation?
A) Increased prolactin in the blood has a positive feedback on the pituitary.
B) Increased prolactin in the blood has a negative feedback on the pituitary.
C) Decreased prolactin in the blood has a negative feedback on the pituitary.
D) Decreased prolactin in the blood has a positive feedback on the pituitary.

Question

Quizplus · Accepted Answer

In a normal, healthy case, negative feedback is used to keep some concentration or process within certain bounds.

Prolactinomas Are the Most Common Type of Pituitary Tumor