During maximum intensity aerobic exercise, cardiac output increases by _______ in an untrained individual.
A) 50%
B) 2-fold
C) 5 to 6-fold
D) 10 to 12-fold
Answer: C
During maximum intensity aerobic exercise, cardiac output increases by _______ in an untrained individual.
A) 50%
B) 2-fold
C) 5 to 6-fold
D) 10 to 12-fold
Answer: C