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Immunology Basics: Antigens, Immunogens, and Haptens

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Immunology Basics: Antigens, Immunogens, and Haptens

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Questions and Answers

What is the term for a substance that induces a specific immune response?

Hapten

Antigen

Epitope

Immunogen (correct)

What is the characteristic of an antigen that combines with the products of a specific immune response?

Epitope (correct)

Physical form

Size

Chemical composition

Which of the following factors contributes to the immunogenicity of a substance?

Similarity to self-molecules

Insolubility

Native form

Foreignness (correct)

What is the term for a small molecule that can react with the products of a specific immune response but is not immunogenic by itself?

Hapten Signup and view all the answers

Which of the following is generally more immunogenic?

Large molecules Signup and view all the answers

What is the factor that influences immunogenicity and varies between individuals and species?

Genetic factors Signup and view all the answers

Which of the following age groups has a diminished ability to mount an immune response?

The very young and the very old Signup and view all the answers

What is the recommended route of administration for optimal immunogenicity?

Subcutaneous Signup and view all the answers

What is the general characteristic of proteins as immunogens?

They are usually very good immunogens Signup and view all the answers

What type of antigens do not require T cell help to stimulate B cells?

T-independent antigens Signup and view all the answers

Which of the following is usually poorly immunogenic?

Nucleic acids Signup and view all the answers

What type of antigens require T cell help to stimulate B cells?

T-dependent antigens Signup and view all the answers