In the context of weight management, which of the following is true of physical activity?
A) It decreases energy expenditure.
B) It leads to increased body fat.
C) It leads to decreased muscle mass.
D) It improves appetite regulation.
Q. 2_____ can briefly sustain activity after the immediate burst of energy provided by creatine phosphate diminishes.
A) Glycolysis
B) Solvolysis
C) Osmosis
D) Hydrolysis
Q. 3Identify a true statement about regular physical activity and exercise.
A) They aggravate back pain associated with muscle strain.
B) They increase resting heart rate.
C) They adversely affect the quality of sleep.
D) They decrease risk of type 2 diabetes.
Q. 4Which of the following is true of sports anemia?
A) It occurs when an athlete stops a training program.
B) It requires an athlete to add additional iron to his or her diet.
C) It is a physiological response to poor nutritional status.
D) It is caused by a disproportionate increase in plasma volume.
Q. 5Greater anaerobic capacity means that:
A) muscles have a higher tolerance for lactate.
B) muscles can be stimulated to store more glycogen.
C) muscles can produce more adenosine triphosphate.
D) muscles are better able to perform non-repetitive, low-intensity activity.
Q. 6The relative contributions of anaerobic and aerobic metabolic pathways to the production of energy in the form of adenosine triphosphate (ATP) are determined by:
A) the intensity and duration of physical activity.
B) the physical and mental health of a person.
C) the amount of rest taken by a person.
D) the amounts of muscle, fat, and bone tissue in the body.
Q. 7People who participate in athletics should take special care to:
A) consume enough water to replenish fluid loss.
B) decrease macronutrients in their diet.
C) consume nutritional supplements regularly.
D) increase protein consumption through strict vegetarian diets.