The Biology Project: Immunology

HIV and AIDS Problem Set

Problem 3: Antigen-specific immune response

Which immune response is specific against one antigen?

A. Skin blocks entry of antigen into body
B. Phagocytic cell engulfs antigen
C.

Antibody binds antigen and prevents it from infecting cells

Antibody production is an adaptive, or specific, immune response. Antibodies are specific against only one antigen. Skin, cilia and phagocytosis are examples of innate, or nonspecific defenses.
D. Cilia sweep antigen away from lungs

 

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Monday, April 3, 2000
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