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: Surgery
Following may be premonitary symptoms of tetanus except - 
Select and explain. 
A. Sleeplessness, B. Anxious expression, C. Urinary incontinence, D. Headache
C: Urinary incontinence
Answer: C: Urinary incontinence 
Explanation: None