A Disease-Causing Agent That Passes from Person to Person Is

question 37

Multiple Choice

A disease-causing agent that passes from person to person is called a(n)

• A)pathogen.
• B)infectious disease.
• C)infection.
• D)disease.

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Definitions:

Immunoglobulin

A class of proteins comprising antibodies that play a central role in the immune response by identifying and neutralizing pathogens.

Antigen

Substance that induces a state of sensitivity or resistance to infection or toxic substances after a latent period; substance that stimulates the specific immune system; also called epitope.

Plasma Cells

Specialized white blood cells that produce antibodies in response to infections.

Cytotoxic T cells

A type of immune cell capable of killing cancer cells, infected cells, and other cells that are deemed a threat to the organism.