During exercise,which of the following would occur on an electrocardiogram (ECG)compared to an individual at rest?
A) the T wave would decrease
B) the P-R interval would decrease
C) the S-T segment would decrease
D) the time from one R to the R of the next heartbeat would decrease

Question

Quizplus · Accepted Answer

During exercise, the heart rate increases, which means that the time from one R wave to the next heartbeat would decrease. This is reflected in the ECG as a shorter RR interval. The T wave, P-R interval, and S-T segment are unlikely to change significantly during exercise.

During Exercise,which of the Following Would Occur on an Electrocardiogram