The most significant factor leading to exhaustion during intense endurance exercise lasting 1.5 to 2.5 hours is:
A. depletion of muscle glycogen
B. an increase in lactate production
C. the loss of electrolytes
D. anaerobic glycolysis
Ans: A. depletion of muscle glycogen
You might also like to view...
Which of the following vitamins plays an essential role for healthy eyes?
A. vitamin K B. vitamin C C. vitamin A D. vitamin D
Severe zinc deficiency _____
a. causes disturbances in sense of smell b. reduces appetite c. is related to stunted growth d. is associated with a decline in the body's ability to fight infections e. is associated with vomiting
Approximately _____ of children ages 6 through 11 years of age are obese
a. 7% b. 18% c. 27% d. 36% e. 45%
Which of the following may result from excessive intake of vitamin A?
a. oxalate stones b. cardiovascular disease c. liver damage d. hypercalcemia e. kidney damage