During a competition that lasts more than one hour, fluid replacement should contain carbohydrate to maintain blood glucose concentration and delay the onset of fatigue.
a. 1 to 2 percent
b. 2 to 5 percent
c. 4 to 8 percent
d. 8 to 10 percent

During a competition that lasts more than one hour, fluid replacement should contain 4 to 8 percent carbohydrate to maintain blood glucose concentration and delay the onset of fatigue. Correct C

Carbohydrate intake during exercise can delay the onset of fatigue and improve performance of prolonged exercise as well as exercise of shorter duration and greater intensity.

avoiding recreational drugs instead of using them