ExamAdept

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

A:

an antigen

B:

a hapten

C:

an immunogen

D:

both an antigen and a hapten

Answer: D

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

A:

ability to enter the thyroid

B:

degree of aggregation

C:

dose

D:

size

Answer: A

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A virus vaccine that can activate cytotoxic T cells must contain

A:

a high dose of virus particles

B:

an adjuvant to stimulate T cell division

C:

live virus

D:

virus peptides

Answer: C

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CD antigens

A:

allow leukocytes to recognize antigen

B:

are each expressed on only one cell type

C:

are expressed on immune cells to mark them for separation

D:

function as receptors for cytokine and CAMs

Answer: D

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A pathogen can be a (n)

A:

agent that causes a disease

B:

virus

C:

bacteria

D:

All of these

Answer: D

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Questions for: Antigen