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: Medicine
Paroxysmal hypotension is seen in - 
Select and explain. 
A. Carcinoid syndrome, B. Lymphoma, C. Leukemia, D. Infectious mononucleosis
A: Carcinoid syndrome
Answer: A: Carcinoid syndrome 
Explanation: None