5 marksTransport Systems
CSEC Biology · January 2017 · Paper 2 · Question 5(c)
Peter, who has not had a tetanus vaccine, gets his foot punctured by a nail. He is given a tetanus antiserum injection at the hospital.
Suggest why he is given an antiserum injection instead of a vaccine.
The mark scheme is shown once you've answered.
Practise this question