Which of the Following Statements Best Explains Why Young Children

question 39

Multiple Choice

Which of the following statements best explains why young children develop infections more often than older children and adolescents?

• A)Cell-mediated immunity doesn't achieve full function until a child is roughly 5 years old.
• B)The thymus doesn't begin to function until adolescence, so prior to this time, children don't produce enough T cells to adequately protect them from infectious agents.
• C)Children don't develop all of the immunoglobulins they need to protect against infection until they are about 6 or 7 years of age.
• D)Young children have comparatively small lymphoid tissues, which means they are less able to fight infection than are older children.

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Average Time

The mean duration it takes to complete a task or event, often used in statistics and operations research.

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This describes a probability distribution where symmetry is centered on the mean, noting an increased frequency of events near the mean over those further away.

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A condition in statistical analyses where two or more populations are assumed to have the same variance, important for certain types of tests.

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