Week 2 Quiz

Dietary carbohydrates are stored in the liver and muscle as:

glycogen….

part of the amino acid pool.

ATP.

adipose tissue.

The majority of benefits of regular exercise are associated with _____ fitness.

flexibility

muscular

neuromotor

cardiorespiratory…..

Athletes who run out of _____ during training or competition experience sudden, serious fatigue known as "hitting the wall."

fatty acids

muscle glycogen

lactic acid

triglycerides

muscle glycogen

Which of the following statements most accurately and completely describes the effects on body composition for someone who is on a low-calorie diet?

The person will lose muscle mass.

The person will lose fat mass.

The person will lose either fat or muscle mass, but not necessarily both.

The person will lose both fat and muscle mass…..

Why does a high-carbohydrate diet increase the time to exhaustion during intense aerobic exercise?

Carbohydrate foods promote the release of insulin from the pancreas.

High carbohydrate intake ensures that glycogen stores are replenished….

Carbohydrate foods are easily digested and absorbed.

Carbohydrate foods decrease glucose levels in the blood.

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The total amount of fat used during exercise is highest during _____ exercise.

low-intensity

all

high-intensity

moderate-intensity….

Why is a mixture of glucose and fructose recommended for intensive exercise of long duration?

A mixture of different carbohydrate sources is easier to swallow.

When the carbohydrate source provides only glucose, gastric emptying slows down.

A mixture of different carbohydrate sources is more palatable.

Glucose is more difficult to digest during competition.

Why is a mixture of glucose and fructose recommended for intensive exercise of long duration?

A mixture of different carbohydrate sources is easier to swallow.

When the carbohydrate source provides only glucose, gastric emptying slows down…..

A mixture of different carbohydrate sources is more palatable.

Glucose is more difficult to digest during competition.

Which of the following is the BEST example of neuromotor exercise?

yoga

stretching

swimming

weightlifting

What is the best estimate of the target heart rate needed to achieve an exercise intensity of 85% of maximum heart rate for someone who is 20 years of age?

155 bpm

160 bpm

170 bpm

165 bpm

165 bpm

The target heart rate for a 20-year-old at an exercise intensity of 85% of maximum heart rate is calculated as 194 × 0.85.

During low-intensity activity, the majority of expended energy comes from:

glucose.

fat….

protein.

vitamins.

fat..

The percentage of fat used as an energy source is highest at rest.

Under normal circumstances, which of the following individuals is likely to be in an anabolic state over the course of the day?

a relatively sedentary adult

a moderately active adult

a child…

an individual in a calorie deficit

How do athletes "carbo load?"

Athletes eat more carbohydrate-containing foods immediately before competition.

Athletes eat carbohydrate-containing foods throughout the competition.

Athletes use sports drinks with concentrated carbohydrates during competition.

Athletes eat more carbohydrate-containing foods 1 to 2 days before the competition, while reducing their training volume and intensity…

Athletes eat more carbohydrate-containing foods 1 to 2 days before the competition, while reducing their training volume and intensity.

If a sports drink provides 8 kcal per ounce (all from glucose), how much of this drink would you need to consume per hour during exercise to supply the maximum usable amount of glucose?

9 ounces per hour

24 ounces per hour

30 ounces per hour

36 ounces per hour…

36

Sedentary individuals who are unfit will see _____ in heart rate compared with someone who is fit when performing the same activities at equivalent levels of energy expenditure.

a greater rise

a similar rise

a lower rise

no change

a greater rise

Why must calorie intake exceed calories expenditure for carbohydrate loading to be successful?

Higher calorie intake provides adequate triglycerides.

Higher calorie intake ensures optimal glycogen storage….

Higher calorie intake forms more fatty acids.

Higher calorie intake promotes triglyceride formation.

What nutritional concerns are experienced by female athletes?

They may have suboptimal iron status….

They require a higher calorie intake than do male athletes.

They may have inadequate intake of protein.

They require vitamin and mineral supplements.

Why does the body have three separate ways to make ATP?

All systems are considered aerobic.

Each system supplies energy at different times of the day.

These systems provide overlapping coverage to replenish ATP.

These systems all use proteins, fats, and carbohydrates as fuels.

The production of ATP in mitochondria is completely dependent on the availability and use of:

fatty acids.

glucose.

oxygen….

amino acids.

Sedentary individuals just starting to exercise should include _____ in their fitness program.

amino acid and protein powders

vigorous-intensity exercise

aerobic exercise for a short duration….

an increase in food intake