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: Gynaecology & Obstetrics
α - adrenergic receptors are located in which part of urinary bladder 
Select and explain. 
A. Dome of bladder, B. Base of bladder, C. Both of above, D. None of above
B: Base of bladder
Answer: B: Base of bladder 
Explanation: α - adrenergic receptors are located in bladder base and urethra.