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
The gastric phase of gastric secretion is brought about by 
Select and explain. 
A. Neural factors, B. Hormonal factors, C. Gastric distension, D. Presence of proteins in the stomach
B: Hormonal factors
Answer: B: Hormonal factors 
Explanation: B i.e. Hormonal