Physical Activity and Energy Expenditure Quiz

Which of the following is the PRIMARY way physical activity affects energy expenditure?

• It decreases the basal metabolic rate (BMR).

• It increases the thermic effect of food (TEF).

• It directly increases the energy expenditure during activity.

Which type of physical activity typically results in the HIGHEST energy expenditure per unit of time?

• Low-intensity activities like walking

• Moderate-intensity activities like jogging

• High-intensity activities like sprinting or competitive sports

How does the DURATION of physical activity affect TOTAL energy expenditure?

• Longer duration activities generally lead to LOWER energy expenditure

• Shorter duration activities have no impact on energy expenditure.

• Longer duration activities generally lead to HIGHER energy expenditure.

Which of the following factors does NOT significantly influence energy expenditure?

• Individual's shoe size

• Duration of the activity

• Type of activity

Your resting heart rate is best measured?

• Right after a workout

• First thing in the morning, before you get out of bed

• After a big meal

As you exercise harder, your heart rate will?

• Go up

• Go down

• Stay the same

Which activity would likely cause the highest increase in heart rate?

• Taking a leisurely walk

• Running a sprint

• Sitting and watching TV

If your heart rate is too low during exercise, you might need to?

• Slow down

• Increase the intensity

• Take a break

Why is it helpful to know your target heart rate zone?

• It helps you know if you're exercising at the right level for your goals.

• It tells you how many calories you burned.

• It tells you how long you should exercise.

What is the PRIMARY source of energy used during physical activity?

• Stored fat in the body

• Muscle Glycogen (stored carbohydrate)

• Dietary protein