Dopamine Derived from the Hypothalamus Is the Prominent Hormone Controlling

question 26

Multiple Choice

Dopamine derived from the hypothalamus is the prominent hormone controlling pituitary prolactin secretion.Dopamine inhibits prolactin secretion.What do you predict would happen if the pituitary were removed from the base of the brain and transplanted to some distant place in the body (for instance on top of the kidney) ,such that dopamine could no longer regulate prolactin secretion? You can assume that the transplanted pituitary will be exposed to a ready supply of blood vessels.

• A)Dopamine secretion would increase.
• B)Dopamine secretion would decrease.
• C)Prolactin secretion would decrease.
• D)Prolactin secretion would increase.
• E)Both dopamine and prolactin secretion would decreasE.

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