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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Definitions:

Temperament

A person’s behavioral style or characteristic way of responding to the environment.

Moro Reflex

An involuntary reflex found in infants, which is triggered by a sudden lack of support, causing the baby to feel as if it is falling.

Rooting Reflex

An automatic response seen in newborns, who turn their head toward anything that strokes their cheek or mouth, aiding in the act of breastfeeding.

Walking Reflex

An innate reflex in infants that causes them to make stepping motions if they are held upright with their feet touching a solid surface.