Approximately what percentage of the body's store of vitamin K is derived from GI tract bacterial synthesis?

a. Less than 5
b. 25
c. 50
d. 85
e. 95


ANS: C

Nutritional Science

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The problem of a limiting amino acid is most simply overcome by

A. combining foods with different limiting amino acids to complement each other and provide adequate amounts of all the essential amino acids. B. combining foods with the same limiting amino acid to increase the amount of that amino acid to an adequate level. C. increasing portion size of a food with a limiting amino acid so that more of that amino acid is consumed. D. reducing portion size of complete proteins so that the amount of the limiting amino acid is relatively increased.

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Which choice would lower in energy-density and a good replacement for Eric's bologna, salami, and cheese sandwich?

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The various symptoms and complications that develop in the final stages of chronic kidney disease are collectively referred to as:

a. anemia. b. PEM. c. uremic syndrome. d. nephrotic syndrome.

Nutritional Science

The development of facial and heart defects in the fetus has been linked to _____ in the mother

a. excessive vitamin A intake b. iron deficiency c. high blood levels of lead d. obesity e. folate deficiency

Nutritional Science