21.Which of the following measurements a person’s “VO2 max”?
a.maximum velocity : 1401711.
21.Which of the following measurements is a person’s “VO2 max”?
a.maximum velocity on a treadmill test
b.maximum rate of oxygen consumption
c.maximum intake of oxygen while at rest
d.maximum intake of air at 70 percent physical exhaustion
22.If a person’s maximum heart rate is 220 beats/minute, what is the safe maximum heart rate during vigorous exercise?
a.110 beats/min
b.142 beats/min
c.165 beats/min
d.198 beats/min
23.Pat has gained about 10 kilograms (kg) n the past 5 years and has come to you for help with a diet and exercise regimen. In order to promote optimal fat loss through exercise, in which of the following activities should Pat participate?
a.wearing an electrical impulse belt throughout the day
b.low- to moderate-intensity aerobic exercise like hiking
c.high-intensity aerobic activity like cycling, swimming, or running
d.very high-intensity anaerobic activity like 400 metre un at maximal speed
24.In weight training, muscle endurance can best be increased by which of the following types of activity?
a.a low number of repetitions with heavy weight
b.a low number of repetitions with lighter weight
c.a high number of repetitions with heavy weight
d.a high number of repetitions with lighter weight
25.In weight training, muscle strength can best be increased by which of the following types of activity?
a.a low number of repetitions with heavy weight
b.a low number of repetitions with lighter weight
c.a high number of repetitions with heavy weight
d.a high number of repetitions with lighter weight
26.Which is of these is the predominant fuel used by muscle cells during low- or moderate-intensity activity?
a.fat
b.protein
c.glycogen
d.blood glucose
27.Joe arrives at the bus stop as his bus is pulling away and has to race for two 50m blocks to catch it at the next stop. Although he feels tired, which of the following high-energy muscle compounds did he rely on for quick energy?
a.fat
b.lactate
c.creatine phosphate
d.adenosine diphosphate
28.Which of these high-energy compounds acts as a reservoir of energy to replenish ATP during high intensity activity of short duration?
a.glycerol
b.glycogen
c.fatty acids
d.creatine phosphate
29.During physical performance, what is the role of creatine phosphate?
a.removal of lactic acid
b.transfer of energy to make ATP
c.removal of nitrogen waste products
d.transfer of phosphate to muscle fibre
30.When a person suddenly begins sprinting, about how long will it take to exhaust the muscles’ supply of creatine phosphate?
a.1 second
b.10 seconds
c.1 minute
d.10 minutes
21.Which of the following measurements a person’s “VO2 max”?
a.maximum velocity : 1401711
