Principles of Stress Testing Include Each of the Following Except

Principles of stress testing include each of the following except:

A) The workload initially used in the test is low compared to an individual's anticipated aerobic threshold.
B) To increase the workload during treadmill testing,the speed and/or incline are increased.
C) Each successive workload level is maintained for no more than 1 minute.
D) Testing is terminated at the onset of symptoms,or definable abnormalities are noted on the electrocardiogram (ECG) .