Antibodies Against a Specific Antigen Can Be Injected into a Person

question 94

Multiple Choice

Antibodies against a specific antigen can be injected into a person to provide passive immunity. For which reason is this NOT as effective as the process of vaccination with that antigen?

• A) Injection of antibodies does not provide long-lasting immunity.
• B) Vaccination with antigens triggers a clonal selection of B cells and cytotoxic T cells.
• C) Injection of antibodies may cause allergic reactions, while vaccination never causes allergic reactions.
• D) Injection of antibodies does not provide long-lasting immunity, and vaccination with antigens triggers a clonal selection of B cells and cytotoxic T cells.
• E) Injection of antibodies does not provide long-lasting immunity and may cause allergic reactions, while vaccination never causes allergic reactions.

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