COMEDK 2007 MCQ Answer 88
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The correct answer is B
Antibody-mediated immunity is active when the person synthesizes his own antibody; it is passive when another person or animal synthesizes the antibody and it is subsequently injected into the person receiving the passive immunization.
Cell-mediated immunity is active when the person's own T-cells are stimulated or adoptive when the source of stimulated T-cells is another person.
Adoptive immunization is rarely used with humans because the recipient will reject the cells unless they are histocompatible (genetically identical, e.g. from an identical twin).
Innate immunity is present from birth and is independent of the life experiences of the person, whereas acquired immunity arises only after an infection or immunization and hence is acquired during life.
Antibody-mediated immunity is active when the person synthesizes his own antibody; it is passive when another person or animal synthesizes the antibody and it is subsequently injected into the person receiving the passive immunization.
Cell-mediated immunity is active when the person's own T-cells are stimulated or adoptive when the source of stimulated T-cells is another person.
Adoptive immunization is rarely used with humans because the recipient will reject the cells unless they are histocompatible (genetically identical, e.g. from an identical twin).
Innate immunity is present from birth and is independent of the life experiences of the person, whereas acquired immunity arises only after an infection or immunization and hence is acquired during life.
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