Answer: b. give him tetanus toxoid
Step-by-step explanation:
Tetanus is a illness caused by the bacterial strain called as Clostridium bacteria. This bacteria lives in dust, manure, soil and saliva. The bacteria enters the body through the route of deep cut, burns and stepping on a nail. The infection results painful tightening of the muscles.
In medical emergency to prevent symptoms of tetanus immunization of body with tetanus toxoid vaccine should be given.