Chapter 07 Vitamins - 1 A secondary deficiency of a vitamin...

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1. A secondary deficiency of a vitamin occurs when b. absorption is inadequate or excessive amounts are excreted. 2. An example of someone who has a relatively high risk for vitamin deficiencies is a(n) b. elderly man living independently. 3. Deficiencies are likely to develop most rapidly with low intakes of vitamin b. C. 4. The best way to ensure intake of a variety of phytochemicals is to c. choose whole grains and include at least five servings of fruits and vegetables daily. 5. The amount of thiamine that the body needs is related to c. the amount of energy expended. 6. Deficiency of thiamine is characterized by a. muscle weakness, loss of coordination, and tachycardia. 7. The riboflavin in milk is protected by d. using nontransparent containers. 8. The most significant source of riboflavin in the United States is a. milk . 9. Historically, deficiency of niacin was sometimes misdiagnosed as b. mental illness . 10. Niacin can be manufactured by the body from the amino acid c. tryptophan.
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