1.
In the positioning of the electrodes, if the electrodes are placed to close together, the amplitude will be ______.
A. 
B. 
C. 
D. 
2.
The large squares on the ECG paper are equal to
A. 
B. 
C. 
D. 
3.
A "V wave" will _____ be seen in a normal EKG.
A. 
B. 
C. 
D. 
4.
The _____ switch controls the gain or amplitude on the EKG.
A. 
B. 
C. 
D. 
5.
When preparing for lead placement you should first care for ______.
A. 
B. 
Application of electrode wires
C. 
Application of electrodes
D. 
Positioning of electrodes
6.
Conversion of a dysrhythmia to a normal rhythm by applying electric shock to the chest is called ___.
A. 
B. 
C. 
D. 
7.
Which of the following is not a criteria for skin preparation for lead placement?
A. 
Clean the skin with an alcohol swipe
B. 
Make sure the skin is damp when applying the electrode
C. 
Shave the hair from the skin
D. 
Roughen the skin for better dermis contact
8.
The electrode site should be _____.
A. 
B. 
C. 
Have plenty of skin oil present
D. 
9.
An ECG tracing measures the amount of voltage and the ____ it takes for the voltage to travel throughout the heart.
A. 
B. 
C. 
D. 
10.
In the application of electrodes, secure the electrode by rubbing your finger around the _____ area.
A. 
B. 
C. 
D. 
11.
When there is no variation of R-R intervals it is called ______.
A. 
B. 
C. 
D. 
12.
Ventricular depolarization produces an electrical force or vector with 2 components: 1. magnitude or force, and 2. _____.
A. 
B. 
C. 
D. 
13.
A downward or negative wave of an electrocardiogram following the P wave is the _____.
A. 
B. 
C. 
D. 
14.
A premature ventricular contraction (PVC) where the QRS have the same configuration each time they appear is called ______.
A. 
B. 
C. 
D. 
15.
When applying leads, apply the VI lead _______.
A. 
Directly lateral to V4 at the anterior axillary line
B. 
The fourth intercostal space right sternal border
C. 
Lateral to V5 at midaxillary line
D. 
Fifth intercostal space midclavicular line
16.
Which fact is true about the P wave?
A. 
Duration of the P wave is not greater than 0.11 sec
B. 
Height deflection is small, not more than 3mm
C. 
D. 
17.
When PVC's fall on the T wave, occur in pairs, runs of 3 or more, or are multiform in nature, these conditions are called _____.
A. 
B. 
C. 
D. 
18.
When a vector travels away from the positive electrode, a _____ deflection results.
A. 
B. 
C. 
D. 
19.
The combination of sensors or electrodes used for lead #1 is ______.
A. 
B. 
C. 
D. 
20.
Concerning ECG's for irregular rhythms, any method of rate calculation that depends on intervals between complexes is _____.
A. 
B. 
Computed using 1/2 as fast: 300/2 = 150/minute
C. 
D. 
Computed by counting the number of complexes in a span of 30 large boxes
21.
The ______ wave represents atrial depolarization
A. 
B. 
C. 
D. 
22.
While the duration of the ST segment is not generally of clinical significance, it is an exceedingly important portion of the ECG because of _____.
A. 
The fact that it follows the QRS complex
B. 
Shifts up or down from the baseline
C. 
Upward deflection from the baseline
D. 
The shift away from the ischemic area
23.
A QRS measurement of less than _____ seconds indicates a supraventricular pacemaker.
A. 
B. 
C. 
D. 
24.
The area between waves is referred to as _____.
A. 
B. 
C. 
D. 
25.
A terminal lethal dysrhythmia, a dying heart, is called _____.
A. 
B. 
C. 
D.