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Question

A heavily bleeding and bruised road accident victim was brought to a nursing home. The doctor immediately gave him an injection to protect him against a deadly disease.
(a) Write what did the doctor inject into the patient's body.
(b) How do you think this injection would protect the patient against the disease?
(c) Name the disease against which this injection was given and the kind of immunity it provides. [3]

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Solution

(a) The patient was injected with Tetanus anti toxins or (preformed antibodies) [1]
(b) The injection provided the preformed antibodies that act on the pathogen immediately for quick immune response.[1]
(c) The disease against which this injection was given is tetanus. [0.5] The kind of immunity that the injection provides is passive immunity. [0.5]

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