A person is injected with globulin against hepatitis. The immunity attained in this fashion is
A
Artificially acquired passive immunity
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B
Artificially acquired active immunity
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C
Naturally acquired active immunity
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D
Naturally acquired passive immunity
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Solution
The correct option is B Artificially acquired passive immunity
Naturally acquired active immunity occurs, when the person is exposed to a live pathogen, develops the disease and becomes immune as a result of the primary immune response.
Artificially acquired active immunity can be induced by a vaccine that contains the antigen.
Naturally acquired passive immunity occurs during pregnancy, in which certain antibodies are passed from the maternal to the fetal bloodstream.
Artificially acquired passive immunity is a short-term immunization by the injection of antibodies, such as gamma globulin, that is not produced by the recipient's cells.