Which of the following behaviors or characteristics is a risk factor for heart disease?
A. Being taller than average
B. Having attention deficit hyperactivity disorder
C. Smoking cigarettes
D. Consuming excess vitamin C
Answer: C
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The usual carbohydrate recommendation for most athletes is 70% of his or her total caloric intake
Indicate whether the statement is true or false
The recommended source of fluid for healthy U.S. adults is:
a. plain drinking water, because it is safe and noncaloric b. carbonated beverages, because they have good flavor. c. tea or coffee, because caffeine helps maintain fluid in the body. d. fruit juice, because it has additional nutrients we need. e. soft tap water, because it is fluoridated.
According to the Dietary Guidelines, what should be the maximum total fat intake as a percentage of energy intake?
a. 10 b. 20 c. 35 d. 50 e. 60
The first step in alcohol metabolism is triggered by
A. glucokinase. B. alcohol dehydrogenase. C. aldehyde dehydrogenase. D. alcohol oxidase.