Once a Helper T-Lymphocyte Recognizes an Antigen,it Begins the Immune

question 70

Multiple Choice

Once a helper T-lymphocyte recognizes an antigen,it begins the immune response by secreting chemical signals called

• A)antibodies.
• B)immunoglobulins.
• C)memory B-lymphocytes.
• D)memory T-lymphocytes.
• E)cytokines.

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Definitions:

School District

A geographical unit for the local administration of elementary or secondary schools.

Researcher Reactivity

The phenomenon where the presence or behavior of the researcher influences the subjects' behavior or the outcome of the study.

Unobtrusive Measures

Research methods that do not interfere with the subjects being studied, allowing researchers to observe behavior or phenomena in a natural, undisturbed manner.

Researcher Bias

The tendency of a researcher to allow personal beliefs, preferences, or assumptions to influence the outcome of a study.