Heat cramps (total body cramping when exercising in the heat) in athletes who are salty sweaters appear to be caused by ____.
A) dehydration
B) sodium depletion
C) large losses of fluid and sodium
D) non-nutritional factors
Q. 2Scientific studies of exercise-associated muscle cramping (EAMC) have concluded that this condition is ____.
A) almost always a result of dehydration
B) almost always a result of electrolyte imbalance
C) almost always a result of a combination of dehydration and electrolyte imbalance
D) not typically a result of dehydration or electrolyte imbalance
Q. 3Athletes participating in which sport need to be the most concerned about consuming fluids that contain sodium to offset the amount being lost in sweat?
A) Sprint running
B) Field events (e.g., shot putting, high jumping)
C) 10 km running
D) Marathon running
Q. 4The compound present in the largest amount in sweat is ____.
A) ammonia
B) sodium
C) calcium
D) lactate
Q. 5When an athlete is hypohydrated, ____.
A) core temperature during exercise is lower than when euhydrated
B) blood volume is lower than when euhydrated
C) endurance exercise performance is higher than when euhydrated
D) the amount of water present easily meets the amount required for physiological functions
Q. 6Approximately how much sweat can an athlete lose each hour when exercising in a hot and humid environment?
A) 1 milliliter per hour
B) 1 liter per hour
C) 1 gallon per hour
D) 25 cups per hour
Q. 7Which of the following is a true statement regarding sweat in trained athletes?
A) They typically have lower sweat rates than sedentary individuals.
B) They typically have higher sweat rates than sedentary individuals.
C) They typically start sweating later than sedentary individuals.
D) They seldom differ in sweating between healthy, sedentary individuals.
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