An antiserum is:
a. An anti-antibody
b. An inactivated vaccine
c. Formed of monoclonal antibodies
d. The liquid portion of blood used for immunization

검증된 단계별 안내

Understand the definition of antiserum: Antiserum is a blood serum containing antibodies against specific antigens, used to provide passive immunity.

Recall that antiserum is obtained from the blood of an immunized individual or animal after exposure to an antigen, and it contains antibodies but not the cellular components of blood.

Recognize that antiserum is not an anti-antibody (which would be antibodies against antibodies), nor is it an inactivated vaccine (which contains killed pathogens to stimulate active immunity).

Note that antiserum is typically polyclonal, meaning it contains a mixture of antibodies, not monoclonal antibodies which are identical and produced from a single clone of cells.

Conclude that antiserum corresponds to the liquid portion of blood (serum) that contains antibodies and is used for immunization, matching option d.

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주요 개념

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Antiserum

Antiserum is a blood serum containing antibodies against specific antigens, used to provide passive immunity. It is obtained from immunized individuals or animals and contains polyclonal antibodies that can neutralize pathogens or toxins.

Antibodies and Monoclonal vs Polyclonal Antibodies

Antibodies are proteins produced by B cells that specifically bind to antigens. Monoclonal antibodies are identical antibodies from a single B cell clone, while polyclonal antibodies are a mixture from multiple clones, as found in antiserum.

Passive Immunization

Passive immunization involves the transfer of pre-formed antibodies to an individual to provide immediate protection. Antiserum is used in passive immunization, unlike vaccines which stimulate active immunity by inducing antibody production.

An antiserum is:a. An anti-antibodyb. An inactivated vaccinec. Formed of monoclonal antibodiesd. The liquid portion of blood used for immunization