Unit Test — Unit test Answers

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21
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Which hygiene practice has both social and health benefits?

A
coloring hair
B
brushing teeth
C
wearing deodorant
D
disposing of toxins
22
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An ad for a weight-loss supplement claims that people who use the supplement will lose 20 pounds in one month. This is based on a study conducted by the company. A statement in the fine print explains that the claims have not been evaluated by the Food and Drug Administration (FDA).

A
If the supplement has not been evaluated by the FDA, it might not be safe.
B
Claims that are tested by many companies might still be biased.
C
Claims that show the dramatic results of the supplement cannot produce those results.
D
Claims that are tested only by the company selling the supplement are probably false.
23

How can families best achieve a positive effect on physical health?

A
by taking walks together
B
by going shopping together
C
by attending church together
D
by watching movies together
25

Which disease is caused by the body's immune system attacking healthy cells?

A
lupus
B
cancer
C
sickle cell disease
D
cardiovascular disease

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