Question

A farmer while working on his farm was bitten by a poisonous snake. He was rushed to a nearby health centre where the doctor gave him an injection to save his life.

1. What did the doctor inject and why?   (1.5)
2. Name the kind of immunity provided by this injection.   (0.5)

Answer 1

1. The doctor gave anti-venom into the farmer's body, which has antibodies against snake venom. These ready-made antibodies are administered to protect the body from external invaders.
2. Passive immunity occurs when a patient receives preformed antibodies to combat foreign antigens.