What exactly is the field of epigenetics, and how can epigenetics affect the function of the body's cells?
Q. 2Glycogen storage is:
a. unlimited.
b. limited to less than 2,000 calories.
c. limited to about 70,000 calories.
d. not important because of other fuels.
e. limited by the amount of lean tissue.
Q. 3Why is a total blood cholesterol of 190 mg/dL not necessarily indicative of a low risk of heart disease?
Q. 4A person who continues exercising moderately for longer than ____ minutes begins to use less glucose and more fat for fuel.
a. 5
b. 10
c. 15
d. 20
e. 45
Q. 5List any 3 lifestyle factors that can contribute to the development of cardiovascular disease and discuss how people can adjust their lifestyles to reduce the risks.
Q. 6Strategies that help endurance athletes maintain their blood glucose concentrations for as long as they can include:
a. skipping the meal immediately preceding the event.
b. avoiding glucose consumption during endurance activities.
c. consuming fat and protein before the event.
d. eating a high-carbohydrate diet regularly.
e. consuming whole foods rather than sports drinks or gels during activities.
Q. 7Describe how a deficiency of vitamin A and protein can compromise the body's defenses against infection.
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