Question

A person was saved from poisonous snake bite by antivenom injection. Which of the following immunity explains this form of protection?

• A. Naturally acquired active immunity
• B. Artificially acquired active immunity
• C. Naturally acquired passive immunity
• D. Artificially acquired passive immunity

Answer 1

Answer: (D)

Artificially acquired passive immunity

Anti-venom is given as a form of artificially acquired passsive immunity. Venom is collected from animals such as snakes. This is then injected into a horse or rabbit that produces antibodies against the venom. The dose of the injections is increased slowly. Hence, the amount of anti-venom antibodies increase in its body. Blood is then collected and antibodies are purified to obtain the antivenom injection. Thus, the correct answer is option D.