This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
The secretion of which of the following hormones increases with chlorpromazine therapy? 
Select and explain. 
A. Prolactin, B. Gonadotropin, C. Coicotropin, D. Antidiuretic hormone
A: Prolactin
Answer: A: Prolactin 
Explanation: (Ref: KDT 6/e p431) Dopamine acts like prolactin releasing inhibitory hormone. D2 blockers decrease the action of dopamine and can result in hyperprolactinemia. Some drugs blocking D2 receptors are: Antipsychotics like chlorpromazine Metoclopramide