QUESTIONS & ANSWERS(RATED A+)
What is the most accurate method for acquiring heart rate?
A. 6 x 10 method
B. QRS method
C. 1500 method
D. 300, 150, 100, 75, 50 method - ANSWER C
As an impulse moves toward a positive electrode it produces what type of deflection?
A. Upward
B. Flat
C. Negative
D. Downward - ANSWER A
On ECG paper horizontal measurements are used to determine what?
A. Electrical voltage of the waveforms
B. Cardiac Output
C. Heart Rate
d. Amplitude of waveforms - ANSWER C
The initiation of the impulse in the SA node and its movement through the atria
produces?
A. PR Interval
B. P-wave
C. T-wave
D. QRS complex - ANSWER B
Repolarization of the ventricles is represented by the?
A. P-wave
B. QRS complex
C. T-wave
D. R wave - ANSWER C
Each small square running horizontally represents?
A. 3 seconds
B. .04 seconds
C. 5 mm