Pre/Post Assessment Nutrition Chapter 10
Anaerobic metabolism fuels moderate-intensity activity over a long duration.
False
Researchers measure cardiovascular fitness with VO2 max, which will:
increase as fitness improves and blood is pumped more efficiently
A person who continues exercising moderately for longer than ____ minutes begins to use less glucose and more fat for fuel.
20
Sports nutrition experts recommend that endurance athletes consume _____ percent of their energy from fat.
20-35
Anaerobic glucose breakdown produces a compound called ____ as a by-product.
Lactate
When designing a fitness routine that is intended to help muscles gain strength and size, what must you consider?
Muscles need a day or two of rest to refuel and repair
The U.S. Physical Activity Guidelines for Americans aim to improve physical fitness and the health of the nation by recommending 150 minutes of moderate-intensity activity every week.
True
The main role of ____ in supporting physical activity is to serve as an antioxidant, protecting tissues from oxidation.
Vitamin E
Strategies that help endurance athletes maintain their blood glucose concentrations for as long as they can include:
eating a high-carb. diet regularly
To prevent hyponatremia during prolonged events, athletes should:
favor sports drinks over water during the event
The health benefits of being physically active include all of the following except:
lower incidence and reduced severity of eating disorders
Deficits of carbohydrate or fluid, incurred over days or weeks, take a toll on performance but any dietary deficiencies can be fully corrected on the day of an event.
False
For the average athlete, sports drinks are needed to replenish liquid, carbohydrates, and electrolytes during an event.
False
Most athletes get enough iron in their diet and iron-deficiency anemia is not a common problem for female athletes.
False
Physical fitness benefits people's physical well-being but has no discernible effect on psychological well-being.
False
Sports anemia is a serious medical problem that can cause irreversible harm.
False
Stroke volume is the volume of blood discharged by the heart each minute.
False
A well-chosen diet that provides ample energy and follows the USDA Food Intake Patterns provides sufficient protein for most athletes.
True
Amino acids compete with each other for carriers in the body, and an overdose of one can limit the availability of another.
True
During activity, the hormone glucagon helps to prevent a drop in blood glucose.
True
Heat stroke is a serious medical problem that can cause death if left untreated.
True
Highly trained muscles use less glucose and more fat than do untrained muscles to perform the same work.
True
It is ideal to avoid high-fat meats, cheeses, and milk products before an athletic event.
True
Muscle is gained when protein synthesis exceeds protein degradation.
True
For athletic performance, the diet should consist of all of the following except:
only energy-dense protein sources