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Passive Immunity

Following a r...

Question

Following a road accident four injured persons were brought to a nearby clinic. The doctor immediately injected them with tetanus antitoxin.

(a) What is tetanus antitoxin ?
(b) Why were the injured immediately injected with this antitoxin ?
(c) Name the kind of immunity this injection provided.

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Solution

(a) Tetanus antitoxin contains preformed antibodies against tetanus antigen and is directly injected into the body.

(b) Injured were immediately injected with this antitoxin because there is likelihood of infection with deadly tetanus bacteria due to entry of spores through an open wound which can even prove fatal.

(c) The injection of tetanus antitoxin provides artificial passive immunity.

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