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: Physiology
1st  urge at micturition comes at - 
Select and explain. 
A. 50 ml, B. 250 ml, C. 150 ml, D. 350 ml
C: 150 ml
Answer: C: 150 ml 
Explanation: “The first urge to void is felt at a bladder volume of about 150 ml, and a marked seme of fullness at about 400 ml”.
- Ganong