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: Physiology
All of the following inhibits gastric secretion except 
Select and explain. 
A. Low PH, B. Somatostatin, C. Histamine, D. Prostagladin
C: Histamine
Answer: C: Histamine 
Explanation: Low pH, somatostatin, prostagladin inhibits gastric secretion. Histamime stimulates gastric secretion.