Once the Warm-Up Portion of an Exercise Class Is Over

Multiple Choice

Once the warm-up portion of an exercise class is over, it's time to elevate heart rates, amp up the intensity and create group participation. Changes in music and choreography trigger an increase in sympathetic activity, which then creates WHICH of the following cardiovascular change(s) :

A) A decrease in stroke volume
B) A decrease in heart rate and contractility
C) An increase in heart rate and contractility
D) Redistribution of blood flow to the heart and lungs