A water loss of greater than _____ percent of body weight can reduce a person's capacity to do muscular work.
a. 1
b. 1.5
c. 2 percent
d. percent
e.
Q. 2Protein contributes at most about _____ percent of the total fuel used, both during activity and during rest.
a. 15
b. 5
c. 30
d. 20
e. 10
Q. 3Aerobically trained muscles burn _____ more readily than untrained muscles.
a. sodium
b. fat
c. protein
d. glycogen
e. oxygen
Q. 4The accepted measure of cardiorespiratory fitness is _____.
a. heart rate
b. heart muscle size
c. VO2 max
d. muscle mass
e. quantity of glycogen stores
Q. 5Trained muscles burn _____ fat and at higher intensities than untrained muscles, so they require _____ glucose to perform the same amount of work.
a. more; less
b. less; more
c. more; more
d. less; less
e. more; no
Q. 6Glycogen depletion generally occurs after about _____ of vigorous exercise.
a. two hours
b. one hour
c. three hours
d. 30 minutes
e. four hours
Q. 7Glucose comes from dietary sources, but the _____ can also make glucose from fragments of other nutrients.
a. large intestine
b. stomach
c. pancreas
d. spleen
e. liver
Q. 8Which aspect of bone health is maximized and maintained by resistance training?
a. mass
b. size
c. length
d. circumference
e. stiffness
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