This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
Postural hypotension Is the common side effect of which of the following' 
Select and explain. 
A. ACE inhibitors, B. Alpha receptor blockers, C. Selective beta1 blockers, D. Aeriolar dilators
B: Alpha receptor blockers
Answer: B: Alpha receptor blockers 
Explanation: Ref-KDT 6/ Possible side-effects of alpha-blockers include: sudden drops in blood pressure when sitting up or standing up. headaches or nausea. swollen legs or ankles. tiredness, weakness or feeling lethargic. sleep disturbance. tremor. rash or itchiness of the skin. Postural hypotension