Prolactinomas Are the Most Common Type of Pituitary Tumor

question 32

Multiple Choice

Prolactinomas are the most common type of pituitary tumor.Symptoms of prolactinoma in women include infertility and atypical menstruation.Which of the following 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

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