Essential fatty acids (EFAs) are precursors needed to produce which type of biological compounds?
A. enzymes
B. eicosanoids
C. cholesterols
D. carbohydrates
Answer: B
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Which is an example of a factor that contributes to lower esophageal sphincter incompetence?
A. renal artery stenosis B. increased secretion of aldosterone C. cardiomyopathy D. cigarette smoking E. increased secretion of cortisol
Vitamin B12 is most likely to be found in a meat eater's diet
a. True b. False Indicate whether the statement is true or false
What is the most common reason that vitamin B12 deficiency, or at least compromised B12 status, occurs in older adults?
a. Diets are frequently low in vitamin B12, since oral problems and financial difficulties limit meat intake and meats are the best dietary sources of B12. b. Pernicious anemia is common in the elderly. c. Their diets provide primarily synthetic forms of vitamin B12, which are less absorbable than the protein-bound form found naturally in foods. d. The elderly have a higher incidence of bacterial overgrowth, which decreases secretion of hydrochloric acid. e. None of the above
What is the most prevalent nutrient deficiency among U.S. and Canadian children??
A) ?iron B) ?protein C) ?calcium D) ?vitamin C