This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal System, Subject name: Physiology
True about Secretin includes all of the following Except:- 
Select and explain. 
A. It increases the acidity of biliary and pancreatic secretions, B. It decreases gastric acid secretion, C. It decreases gastrin secretion and gastric emptying, D. It increases flow and velocity of bile
A: It increases the acidity of biliary and pancreatic secretions
Answer: A: It increases the acidity of biliary and pancreatic secretions 
Explanation: Secretin: - Stimuli for secretion Site for secretion Action Acid, fat S cell of duodenum, jejunum, ileum Stimulates: - Pepsin secretion Pancreatic bicarbonate secretion Biliary bicarbonate secretion Growth of exocrine pancreas Inhibits: Gastric acid secretion.