This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
Episodic hypeension is a feature of 
Select and explain. 
A. Carcinoid tumor, B. Insulinoma, C. Pheochromocytoma, D. Zollinger-Ellison syndrome
C: Pheochromocytoma
Answer: C: Pheochromocytoma 
Explanation: Classic triad: Headache + Diaphoresis+ Palpitation