This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
A 30 yr old man repos 4hours after acquiring a clean wound without laceration He had recieved TT vaccination 10 years back what do you advice regarding tetanus prophylaxis 
Select and explain. 
A. single dose of TT, B. full course of TT, C. 1 dose of TT AND TIG, D. No vaccination needed
A: single dose of TT
Answer: A: single dose of TT 
Explanation: REF : ANANTHANARYANA MICROBIOLOGY