This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
All of the following can cause hypersecretion of prolactin, except? 
Select and explain. 
A. Prolactinoma, B. Haloperidol, C. Hypothyroidism, D. Cabergoline
D: Cabergoline
Answer: D: Cabergoline 
Explanation: The function of dopamine is to supress the prolactin secretion. Prolactin agonists reduce secretion of prolactin and antagonists increase the secretion of prolactin. Cabergoline is a long acting dopamine agonist. The drug suppresses prolactin secretion. Used to treat prolactinoma. All others can cause increased secretion. High prolactin levels are also associated with Hypothyroidism.