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
The most effective way of preventing tetanus is : 
Select and explain. 
A. Surgical debridement and toilet, B. Hyperbaric oxygen, C. Antibiotics, D. Tetanus toxoid
D: Tetanus toxoid
Answer: D: Tetanus toxoid 
Explanation: Remember :
Best way of prevention = Active immunization = TT
Best passive immunization = Antitoxin = Human tetanus immunoglobulin.