During a Primary Response to Antigen Exposure,all of the Following

question 19

Multiple Choice

During a primary response to antigen exposure,all of the following occur except

• A)the antigen must activate appropriate B cells.
• B)B cells may take time to develop into plasma cells and memory cells.
• C)antibody levels do not peak until 1 to 2 weeks after the initial exposure.
• D)neutrophils invade the surrounding areas,releasing chemotactic substances.
• E)the first immunoglobulins to appear in circulation are of the IgM type.

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Definitions:

Refractory Period

A period immediately following stimulation during which a nerve or muscle is unresponsive to further stimulation.

Liver-Damaging Disease

Conditions that impair liver function, potentially including viral hepatitis, fatty liver disease, and cirrhosis.

HBV

Hepatitis B Virus, a viral infection that attacks the liver and can cause both acute and chronic disease.

Sexual Contact

Physical interaction between individuals involving genitalia, often associated with the transmission of sexually transmitted infections (STIs).