Which of the following is an inhibitor of prolactin secretion?
A. Haloperidol
B. GABA Gamma aminobutyric acid. C. Neurophysin
D. Dopamine
ANS. D. Dopamine.
Explanation: Dopamine
is known as prolactin-inhibiting factor. D2 blockers produce hyperprolactinemia
e.g., metoclopramide and haloperidol. . Bromocriptine, being a partial agonist
of dopamine receptors reduces its levels.
