Why Are the Second and Subsequent Responses to Antigen Exposure

question 36

Multiple Choice

Why are the second and subsequent responses to antigen exposure faster than the initial response?

• A)The antibodies of the secondary response are more efficient.
• B)The antibodies of the secondary response are less efficient.
• C)After the initial exposure, memory cells are present; they respond more quickly upon a second exposure to the antigen.
• D)After the initial exposure, the memory cells respond more slowly, as the pool of available cells has been diminished.
• E)Pathogens are generally weaker with the second exposure.

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Definitions:

Cardiovascular Disease

a general term for conditions affecting the heart and blood vessels, often related to atherosclerosis (buildup of plaque inside the arteries) and can lead to heart attacks, strokes, and other health issues.

Sleep Apnea

A health issue marked by breaks in breathing or instances of light breathing while sleeping.

Snoring

A loud breathing sound occurring during sleep when the flow of air through the mouth and nose is physically obstructed.

Somnambulism

More commonly known as sleepwalking, it involves walking or performing other complex behaviors while in a state of deep sleep.