What effect would glycerol loading have on an athlete's body weight?
a. No effect on body weight
b. Decrease in body weight
c. Increase in body weight
Q. 2Why do some athletes ingest glycerol prior to exercise?
a. It repels water and acts as a mild diuretic.
b. It attracts water and results in fluid retention.
c. It is a readily available source of glucose during exercise.
d. It directly offsets the rise in body temperature that occurs during exercise.
Q. 3The two best strategies to aid performance and prevent hyponatremia in ultraendurance athletes are:
a. replenishment of sodium and prevention of overdrinking.
b. replenishment of sodium and voluntary dehydration.
c. replenishment of sodium and intake of a large amount of potassium.
d. intake of salt tablets and excessive water intake.
Q. 4Why is a large and rapid excess water intake dangerous for an endurance athlete?
a. The renal system is overwhelmed and cannot excrete enough urine.
b. Water shifts from the extracellular fluid to the intracellular fluid compartments.
c. As a compensatory measure, the body increases the amount of sweat produced.
d. a and b
Q. 5Which athlete is most likely to suffer from hyponatremia?
a. Strength athlete such as a football player
b. Elite marathon runner
c. Slow marathon runner
d. Soccer player
Q. 6Two factors that may be associated with hyponatremia are:
a. large losses of sodium in sweat and low water intake.
b. large losses of sodium in sweat and excessive water intake.
c. intake of salt tablets and low water intake.
d. intake of salt tablets and excessive water intake.
Q. 7Beverages known as energy drinks typically provide:
a. kilocalories.
b. carbohydrate.
c. caffeine.
d. all of the above
Q. 8As a rule of thumb, experts recommend a post-exercise fluid intake as soon after exercise as practical of approximately:
a. 0.5 L of fluid per kg body weight lost
b. 1.0 L of fluid per kg body weight lost
c. 1.5 L of fluid per kg body weight lost
d. 1 pint of fluid for each pound of weight lost
Q. 9Assuming that it can be tolerated, which athlete may find a beverage containing a carbohydrate concentration greater than 10 to be beneficial during exercise?
a. 800 m runner
b. 10,000 m (10 K) runner
c. Ultraendurance runner
d. All of the above
Quick Reply
