When an athlete is hypohydrated:
a. core temperature during exercise is higher than when euhydrated.
b. blood volume is lower than when euhydrated.
c. endurance exercise performance is lower than when euhydrated.
d. all of the above
Q. 2Approximately 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. 3Which of the following is a true statement regarding thirst in athletes?
a. Thirst is a predictor of hypohydration.
b. Thirst is a reflection of hypohydration.
Q. 4Wearing uniforms and protective gear while exercising in the heat typically:
a. keeps the sun off the skin and prevents body temperature from rising.
b. restricts the evaporation of sweat and results in body temperature rising.
c. has little effect on body temperature.
Q. 5When environmental conditions are more humid, sweating is:
a. a more effective means of regulating body temperature.
b. a less effective means of regulating body temperature.
c. not affected by the change.
Q. 6To avoid a moderate potassium deficiency, it is recommended that individuals, including athletes, should:
a. use a salt substitute (potassium chloride) daily.
b. avoid exercising in the heat.
c. consume a variety of fruits and vegetables daily.
d. all of the above
Q. 7Which of the following foods has a high potassium content?
a. Banana
b. Orange juice
c. Avocado
d. All of the above
Q. 8Which of the following is a true statement regarding sodium excretion?
a. Urinary sodium excretion is precisely controlled by the kidneys.
b. If sodium intake is high, most of the excess sodium is excreted via sweat.
c. If sodium intake is high, most of the excess sodium is excreted via the feces.
d. Excess sodium intake is difficult to excrete and any excess is stored in the liver.