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: Microbiology
Most common symptom of tetanus is: 
Select and explain. 
A. Tonic-clonic seizures, B. Hemplegia, C. Lock-jaw, D. Opisthotonus
C: Lock-jaw
Answer: C: Lock-jaw 
Explanation: Ans. is. 'c' i. e. Lock-jaw