Page 1 of 27
CRAT Final Exam Questions & Answers 2025/2026:
HIPAA, ECG, Dysrhythmias, Pacemakers
Which of the following would not be done prior to performing an
ECG?
a. receive and validate the order
b. write ECG variations on tracing
c. check and change paper if necessary
d. enter patient data into the machine ......ANSWER........b. write
ECG variations on tracing
Blood circulation through the heart ......ANSWER........superior and
inferior vena cava, right atrium, tricuspid valve, right ventricle,
pulmonic valve, pulmonary artery, lungs, pulmonary vein, left
atrium, mitral valve (bicuspid valve), left ventricle, aortic valve,
aorta, body
Ventricular repolarization occurs during the ______ wave on
the ECG.
a. P wave
b. T wave
c. P-R interval
d. QRS complex ......ANSWER........b. T wave
Somatic tremor artifact may be caused by
a. Switching leads
b. Circuit overload
c. Defective machine
d. A cold, uncomfortable environment ......ANSWER........d. a cold,
uncomfortable environment
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When applying chest leads, V4 is placed ......ANSWER........a.
midway between V3 and V5
A wandering baseline artifact may be caused by
a. Switching leads
b. Circuit overload
c. Defective machine
d. A cold, uncomfortable environment ......ANSWER........c.
Defective machine
An ac interference artifact may be caused by
a. Patient movement
b. Circuit overload
c. Defective machine
d. A cold, uncomfortable environment ......ANSWER........b. Circuit
overload
When applying chest leads, V2 is placed
a. midway between V3 and V5
b. at the fourth ICS, right sternal border
c. at the fifth ICSmidway between V3 and V5
d. at the fourth ICS, left sternal border
......ANSWER........ANSWER: d. at the fourth ICS, left sternal
border
When applying chest leads, V1 is placed
a. midway between V3 and V5
b. at the fourth ICS, right sternal border
c. at the fifth ICS, left midclavicular line
d. at the fourth ICS, left sternal border ......ANSWER........b. at the
fourth ICS, right sternal border
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Marks on the ECG tracing caused by another source of activity
are
a. asystole
b. conduction marks
c. artifact
d. arrhythmias ......ANSWER........c. artifact
Somatic tremors are caused by
a. electrical current leak
b. tracing drifts away from the center
c. muscle movement
d. contact with another electrical device ......ANSWER........c.
muscle movement
When applying the chest leads, V6 is placed ......ANSWER........a.
in line with V4 on the midaxillary line
you noticed wandering baseline on the ECG tracing. What
measure(s) should you take to correct the problem?
a. apply new electrodes
b. reposition the electrodes
c. ensure that the wires are not crossed
d. all of the answers are correct ......ANSWER........d. all of the
answers are correct
Approach the patient from the __________ when performing an
ECG ......ANSWER........a. left side
b. right side
c. top
d. bottom
CRAT Final Exam Questions & Answers 2025/2026:
HIPAA, ECG, Dysrhythmias, Pacemakers
Which of the following would not be done prior to performing an
ECG?
a. receive and validate the order
b. write ECG variations on tracing
c. check and change paper if necessary
d. enter patient data into the machine ......ANSWER........b. write
ECG variations on tracing
Blood circulation through the heart ......ANSWER........superior and
inferior vena cava, right atrium, tricuspid valve, right ventricle,
pulmonic valve, pulmonary artery, lungs, pulmonary vein, left
atrium, mitral valve (bicuspid valve), left ventricle, aortic valve,
aorta, body
Ventricular repolarization occurs during the ______ wave on
the ECG.
a. P wave
b. T wave
c. P-R interval
d. QRS complex ......ANSWER........b. T wave
Somatic tremor artifact may be caused by
a. Switching leads
b. Circuit overload
c. Defective machine
d. A cold, uncomfortable environment ......ANSWER........d. a cold,
uncomfortable environment
,Page 2 of 27
When applying chest leads, V4 is placed ......ANSWER........a.
midway between V3 and V5
A wandering baseline artifact may be caused by
a. Switching leads
b. Circuit overload
c. Defective machine
d. A cold, uncomfortable environment ......ANSWER........c.
Defective machine
An ac interference artifact may be caused by
a. Patient movement
b. Circuit overload
c. Defective machine
d. A cold, uncomfortable environment ......ANSWER........b. Circuit
overload
When applying chest leads, V2 is placed
a. midway between V3 and V5
b. at the fourth ICS, right sternal border
c. at the fifth ICSmidway between V3 and V5
d. at the fourth ICS, left sternal border
......ANSWER........ANSWER: d. at the fourth ICS, left sternal
border
When applying chest leads, V1 is placed
a. midway between V3 and V5
b. at the fourth ICS, right sternal border
c. at the fifth ICS, left midclavicular line
d. at the fourth ICS, left sternal border ......ANSWER........b. at the
fourth ICS, right sternal border
, Page 3 of 27
Marks on the ECG tracing caused by another source of activity
are
a. asystole
b. conduction marks
c. artifact
d. arrhythmias ......ANSWER........c. artifact
Somatic tremors are caused by
a. electrical current leak
b. tracing drifts away from the center
c. muscle movement
d. contact with another electrical device ......ANSWER........c.
muscle movement
When applying the chest leads, V6 is placed ......ANSWER........a.
in line with V4 on the midaxillary line
you noticed wandering baseline on the ECG tracing. What
measure(s) should you take to correct the problem?
a. apply new electrodes
b. reposition the electrodes
c. ensure that the wires are not crossed
d. all of the answers are correct ......ANSWER........d. all of the
answers are correct
Approach the patient from the __________ when performing an
ECG ......ANSWER........a. left side
b. right side
c. top
d. bottom
