ANTIGEN QUIZ | EXAMIANS

Lymphocytes are activated by antigen in the

blood stream

lymph nodes

liver

bone marrow

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Very low doses of antigen may induce

low zone tolerance

hypersensitivity

immunological ignorance

low zone immunity

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For specific antigen recognition by T cells,

antigen is bound by a T cell membrane antibody

antigen exposure during T cell maturation is required

denaturation of antigen does not reduce epitope recognition

MHC molecules are not required

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A molecule that can be covalently linked to a non-immunogenic antigen to make it an immunogen is called a (n)

hapten

mitogen

carrier

adjuvant

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A pathogen can be a (n)

All of these

bacteria

agent that causes a disease

virus

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Antigen, when injected in the body activates its specific lymphocytes in the

spleen lymphoid tissue

MALT (mucosa associated

draining lymph nodes

blood circulation

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During the lag period between antigen contact and detection of adaptive immunity,

innate immunity blocks the activation of adaptive immune effector cells

new B and T cells with the appropriate antigen specificity must be produced in the bone marrow

innate immune effectors are eliminating antigen

antigen is hidden from the immune system in macrophages

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The ability of an antigen to induce an immune response does not depend on the antigen's

dose

ability to enter the thyroid

size

degree of aggregation

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The antibiotic penicillin is a small molecule that does not induce antibody formation. However, penicillin binds to serum proteins and forms a complex that in some people induces antibody formation resulting in an allergic reaction. Penicillin is therefore

an antigen

a hapten

both an antigen and a hapten

an immunogen

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A virus vaccine that can activate cytotoxic T cells must contain

a high dose of virus particles

virus peptides

live virus

an adjuvant to stimulate T cell division

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