A 25-year-old man weighs 154 pounds and consumes 2,700 kcalories with 45 grams of protein a day. If two-thirds of the protein comes from animal sources, it may be concluded that he ____
a. ingested his recommended allowance of protein
b. needs 8 grams more protein to meet the recommended allowance
c. needs 11 grams more protein to meet the recommended allowance
d. has exceeded his recommended allowance of protein
e. needs 22 grams more protein to meet the recommended allowance
c
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Among the following, which is the major weakness of a laboratory-based study?
a. The costs are usually high b. It is difficult to replicate the findings c. The results cannot be applied to human beings d. Experimental variables cannot be easily controlled
Disparities in health status and life expectancy among countries in the global community can be attributed to all of the following EXCEPT:
a. differences in financial resources. b. differences in food preferences. c. differences in population growth. d. rates of malnutrition.
Vitamin A toxicity is likely to result from:
a. consuming too many dark green and deep orange vegetables. b. overconsumption of whole grains. c. consuming large amounts of fortified foods or vitamin A supplements. d. drinking too much orange juice.
The recommended amount of daily carbohydrate for athletes engaged in intermittent, high-intensity sports such as soccer, basketball, or ice hockey is most similar to:
a. ultraendurance athletes. b. endurance athletes. c. high-intensity, short-duration athletes (sprinters). d. recreational athletes.