Physical Activity

The primary energy system fueling the muscle of a runner during a marathon is:
1. anaerobic production of ATP from creatine phosphate and ADP
2. anaerobic production of ATP from free fatty acids
3. aerobic production of ATP from protein
4. aerobic production of ATP from free fatty acids
5. anaerobic production of ATP from glucose
During physical activity, water loss increases significantly via:
1. sweat
2. urine
3. respiration
4. two of the above
5. all of the above
Replenishing energy during activity:
1. is important for activities lasting 30 minutes or less
2. is beneficial for assisting in weight loss
3. helps maintain blood glucose for activities lasting longer than one hour
4. all of the above
5. none of the above
Benefits of physical fitness include:
1. improved sleep
2. health body composition
3. reduced stress and anxiety
4. improved cognitive functioning, alertness, and memory
5. all of the above
What is the primary fuel for activities of extremely high intensity lasting only 8 - 10 seconds?
1. ATP-CP
2. anaerobic glycolysis
3. aerobic glycolysis
4. fatty acid oxidation
5. protein
What is the primary fuel for activities of very high intensity lasting 20 seconds to 3 minutes?
1. ATP-CP
2. anaerobic glycolysis
3. aerobic glycolysis
4. fatty acid oxidation
5. protein
What is the primary fuel for activities of high intensity lasting 3 - 20 minutes?
1. ATP-CP
2. anaerobic glycolysis
3. aerobic glycolysis
4. fatty acid oxidation
5. protein
What is the primary fuel for activities of moderate intensity lasting longer than 60 minutes?
1. ATP-CP
2. anaerobic glycolysis
3. aerobic glycolysis
4. fatty acid oxidation
5. protein
Which of the following is NOT one of the primary fuels used to support physical activity?
1. ATP-CP
2. glucose
3. protein
4. fatty acids
5. none; all of the above provide a significant contribution to fuel use during activity
Maximal endurance time is greatest for a diet composed of:
1. high fat
2. high protein
3. high carbohydrates
4. mixed
5. maximal endurance time is not affected by meal composition
As the duration of an activity increases:
1. there is an increase in fat metabolism
2. there is a increase in carbohydrate metabolism
3. there is an increase in both carbohydrate and fat metabolism
4. there is a decrease in both carbohydrate anf fat metabolism
5. there is a decrease in fat metabolism
As the intensity of an activity increases:
1. there is an increase in fat metabolism
2. there is a increase in carbohydrate metabolism
3. there is an increase in both carbohydrate and fat metabolism
4. there is a decrease in both carbohydrate anf fat metabolism
5. there is a decrease in carbohydrate metabolism
Protein use as fuel during activity increases with:
1. high dietary protein intake
2. increased duration of activity
3. increased intensity of activity
4. a and b
5. b and c
The optimal diet to support physical activity should include:
1. protein supplements
2. plenty of water and other fluids
3. extra vitamins and minerals to enhance performance
4. all of the above
5. none of the above
According to Canada's Guide to Healthy Active Living, we should:
1. reduce sitting for long periods of time
2. increase endurance activities to 2 - 4 times per week
3. increase flexibility activities to 4 - 7 times per week
4. two of the above
5. all of the above
Adaptations to endurance training include:
1. an increase in the number of mitochondria within muscle cells
2. increased number of capillaries to supply oxygen and energy to working muscles
3. an enhance ability to use fat as energy
4. two of the above
5. all of the above
Althetes require supplements to meet protein needs because:
1. protein is a primary energy source to fuel athletic activity
2. protein needs cannot be met through a healthy balance diet
3. more protein is require to build and maintain muscles
4. all of the above
5. none of the above
Protein use as a fuel for physical activity:
1. decreases with an increased protein intake
2. decreases with increased strength training
3. decreases with increased duration of activity
4. increases with increased intensity of activity
5. all of the above
How does proportional utilization of carbohydrates and lipids change as the duration of an activity increases and the intensity of the activity decreases?
1. use of both fuels increases
2. use of carbohydrates increases, while use of lipids declines
3. use of carbohydrates decreases, while use of lipids increases
4. use of both fuels decreases as protein becomes the predominant fuel source
5. none of the above
How does proportional utilization of carbohydrates and lipids change as the duration of an activity decreases and the intensity of the activity increases?
1. use of both fuels increases
2. use of carbohydrates increases, while use of lipids declines
3. use of carbohydrates decreases, while use of lipids increases
4. use of both fuels decreases as protein becomes the predominant fuel source
5. none of the above

Physical Activity

Practice Multiple-Choice Questions