Chapter 10 - Performance Nutrition

Question 1

True or False:
People who regularly engage in physical activity live longer on average than those who are physically inactive.

Answer 1

True

Question 2

True or False:
Iron-deficiency anemia impairs physical performance because iron helps deliver glucose to the muscles.

Answer 2

False

Question 3

True or False:
Vitamin or mineral supplements taken just before competition enhance athletic performance.

Answer 3

False

Question 4

What is happening in the body if a marathon runner or extreme endurance athlete “hits the wall”?

Answer 4

Most of the body’s glycogen stores have been depleted

Question 5

Strategies that help endurance athletes maintain their blood glucose levels include:

Answer 5

eating carbohydrate-rich meals regularly

Question 6

At what point does the body begin to use less glucose and more fat for fuel during moderate-intensity workouts?

Answer 6

around 20 minutes

Question 7

What nutrient may reduce tissue inflammation?

Answer 7

Omega-3 fatty acid

Question 8

Which nutrient is important for the formation of the protein collagen?

Answer 8

vitamin C

Question 9

Which of the following is a correct statement if comparing the fuel usage during exercise of a trained athlete to an untrained individual?

Answer 9

a trained athlete uses less glucose per minute

Question 10

Which vitamin plays a major role in building red blood cells?

Answer 10

vitamin B12

Question 11

Which is the best fluid source for casual exercisers to replace lost body fluids?

Answer 11

water

Question 12

To prevent hyponatremia, endurance athletes who work out heavily for four or more hours should:

Answer 12

favor sports drinks over water during the workout

Question 13

Sports drinks offer advantages over plain water for athletes who:

Answer 13

need to replenish their electrolytes

Question 14

Which of the following beverages should NOT be used by athletes for fluid replacement because of its adverse effects?

Answer 14

alcohol

Question 15

An athlete’s diet should consist of all of the following except:

Answer 15

fried food products

Question 16

Which of the following is the best choice for an athlete postexercise who has no appetite for solid food?

Answer 16

chocolate milk

Question 17

Corey burns 5.5 cal/min by walking at a speed of 4.5 miles per hour. He is also able to have a conversation while performing this moderately intense physical activity. What effect does this activity have on his breathing and heart rate?

Answer 17

a slight increase in both his breathing and heart rate

Question 18

Cardiorespiratory endurance is characterized by:

Answer 18

increased strength of the heart muscles

Question 19

Protein is needed by the body to support an exercise program because it:

Answer 19

plays a role in the repair of muscle tissue after exercise

Question 20

Which of the following protein intakes falls within the recommended range for daily protein intake for a 185-pound male wrestler?

Answer 20

136 g/day