The intensity of a physical activity is defined as
A) how long a training session lasts. B) the availability of ATP for energy.
C) the amount of effort expended. D) how often a training session occurs.
C
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Some African Americans believe that "worriation" results in what disease?
a. syphilis b. asthma c. hypertension d. diabetes e. anemia
Proteins that travel to target cells to direct an activity are called
A) messengers. B) enzymes. C) hormones. D) antibodies.
Fortification and enrichment of foods differ since the process of enrichment
A. adds specific nutrients to specific foods. B. add nutrients at levels specified by the U.S. Department of Commerce. C. adds only fat-soluble vitamins to foods. D. must include the addition of calcium to foods.
Which of the following people are at known risk for potassium depletion?
a. Athletes who are body-builders b. Construction workers in cold climates c. Those who ingest low amounts of fresh fruits/vegetables d. Those who consume insufficient amounts of salted foods