Answer the following questions true (T) or false (F)

1. Overconsumption of kilocalories, adequate physical activity, genetics, the home and community environment, and media and advertising contribute to this increasing problem of obesity.

2. Girls' need for dietary iron increases before the onset of menstruation.

3. Children with weak family bonds are more likely to skip meals, and choose unhealthy foods, compared to children whose families have strong bonds.


1. TRUE
2. FALSE
3. TRUE

Nutritional Science

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Four types of muscles in the intestine are:

a. smooth, contractile, striated, and layered. b. voluntary, involuntary, sequential, and rhythmic. c. tonic, periodic, autonomic, and propulsive. d. longitudinal, circular, sphincter, and mucosal.

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The best way for most people to relieve constipation is to:

a. eat more refined grains. b. use probiotics. c. use a mild laxative. d. eat more dietary fiber.

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Julie should exclude excessive intake of _____ to reduce her cancer risk

a. cranberry juice b. soft drinks c. orange juice d. skim milk e. alcohol

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Insufficient production of bile is mostly likely to impair absorption of ________.

A. protein B. sugars C. fat D. starch

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