Which of the following is a feature of iron nutrition?

a. Iron plays an important role in the synthesis of thyroxine
b. On average, people absorb about 50-60% of dietary iron
c. On average, women do not eat enough iron-containing foods
d. Iron deficiency represents the second most common mineral deficiency in the United States


c

Nutritional Science

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Which is the best food source of beta-carotene?

A. Cheddar cheese B. Salmon C. Blueberries D. Pumpkin pie

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Choking occurs when food slips into the ________ and completely blocks passageways.

a. pharynx b. larynx c. trachea d. esophagus e. diaphragm

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_____ percent of the calcium ingested by Americans is derived from dairy products.

A. Twenty B. Forty C. Sixty D. Eighty

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