This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
1st dose hypotension is commonly seen with 
Select and explain. 
A. Yohimbine, B. Prazosin, C. Atenolol, D. Methyldopa
B: Prazosin
Answer: B: Prazosin 
Explanation: Alpha blockers produce 1st dose hypotension. also seen with ACE inhibitors. hence there are to be given when the patient is in supine position and asked to be taken care not to stand immediately so preffered to be given at night. Ref: KD Tripathi 8th ed.