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: Surgery
Zollinger Ellison syndrome true about A/E: 
Select and explain. 
A. Surgery is to be done, B. Exocrine tumor, C. Endocrine disorder, D. Secretory diarrhea seen
B: Exocrine tumor
Answer: B: Exocrine tumor 
Explanation: Ans. is 'b' i.e. Exocrine tumor