Judgments of Normal Weight and Body Composition in Middle-School-Age Children

question 7

Multiple Choice

Judgments of normal weight and body composition in middle-school-age children should be made cautiously because

• A)each child is unique and developmental norms are of little use.
• B)different ethnic groups and populations seem to differ in developmental rates.
• C)existing norms are based on data collected in the 1920s and 1930s and may be inapplicable today.
• D)averages and norms for children's height have not been firmly established.

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Definitions:

Macrophages

A type of white blood cell that engulfs and digests cellular debris, foreign substances, and pathogens.

Body Defense Mechanism

The biological structures and processes within an organism that protect against disease by identifying and killing pathogens and tumor cells.

Pathogen

An organism such as a bacteria, virus, fungus, or parasite that can cause disease in its host.

Blood Vessels

Hollow structures that facilitate blood movement within the body, covering arteries, veins, and capillaries.