During exercise, ________ peaks at about 2 seconds of activity and remains an important energy system for the duration of exercise.
A. phosphocreatine
B. aerobic metabolism
C. lipid oxidation
D. glycolysis
Ans: D. glycolysis
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In the United States, which type of poisoning ranks as one of the most common childhood environmental health problems?
a. cadmium b. iron c. mercury d. aflatoxin e. lead
Explain the "dawn phenomenon."
Imagine that Tom has completed a food record and assessment and learns that his vitamin C intake is 20 mg/day. The EAR for vitamin C for men of Tom's age is 75 mg/day, the RDA is 90 mg/day, and the UL is 2,000 mg/day. Based on this information Tom should
A. conclude that his vitamin C intake is adequate. B. increase his intake of vitamin C-rich foods because he is not consuming enough. C. take a vitamin C supplement of 2,000 mg/day.
Discuss the cultural and emotional influences that play a role in this scenario