CRAT Prep
1. In addition to recording the ECG and preparing the report, an ECG technician must be
able to:
A. Determine if the tracing is accurate and recognize if interference causes abnormalities
during the recording process.
B. Evaluate tracing, recognize abnormal heart rhythms, and report abnormalities to the
appropriate health care professionals.
C. Maintain patient records and evaluate tracings.
D. Perform ultrasounds on blood vessels and assist with angioplasty. - correct answer-A.
Determine if the tracing is accurate and recognize if interference causes abnormalities
during the recording process.
10. Which of the following is preformed as a routine procedure or during an emergency in
the hospital setting?
A. Treadmill stress test
B. 12-lead ECG
C. Ambulatory monitoring
D. Telemetry monitoring - correct answer-B. 12-lead ECG
100. You just performed a "STAT" ECG on Mrs. Stephenson. What should you do with the
results?
A. Give it directly to your supervisor or other licensed practitioner or place it on the chart and
inform them that it has been completed.
B. Place it directly on the chart and take a second copy back to the ECG lab.
C. Place it in a box at the nursing station and inform your supervisor that it has been
completed.
D. Place it in the consulting physician's box and inform him or her htat it has been
completed. - correct answer-A. Give it directly to your supervisor or other licensed
practitioner or place it on the chart and inform them that it has been completed.
101. What is the most important consideration when performing an ECG on a patient two
days in a row?
A. Keep the electrodes at the same site by leaving them in place after the first ECG.
B. The electrodes should be places at the same site or as close as possible in order for the
tracings to be evaluated correctly.
C. Use the same ECG machine for each ECG in order for them to be evaluated correctly.
D. The lead wire cables and electrodes should remain attached overnight so the tracing will
be accurate. - correct answer-B. The electrodes should be places at the same site or as
close as possible in order for the tracings to be evaluated correctly.
,102. If you were performing an ECG on a patient who has had his left lower leg amputated,
where should you put the leg electrodes?
A. Place both the left and right electrodes on the lower abdomen.
B. Place the left electrode on the upper left and the right leg electrode on the lower leg.
C. Place both the left and right electrodes on the upper legs close to the trunk.
D. Place both electrodes on the chest below the chest electrodes. - correct answer-C. Place
both the left and right electrodes on the upper legs close to the trunk.
103. Which of the following statements is TRUE regarding the room or machine used for an
ECG?
A. The room should be away from electrical equipment and x-ray machines; electrical
equipment should be turned off.
B. The machine should be placed directly beside other electrical equipment to avoid
interference.
C. All electrical equipment should be turned off and the room should be closed to other
diagnostic rooms.
D. The room should always be away from electrical and all electrical equipment should be
turned on. - correct answer-A. The room should be away from electrical equipment and x-ray
machines; electrical equipment should be turned off.
104. If all required information is not on the form, what should you do?
A. Refuse to perform the ECG.
B. Ask the patient or obtain the information from the medical record.
C. Call the physician to obtain the information.
D. Ask the patient's visitor for the information. - correct answer-B. Ask the patient or obtain
the information from the medical record.
105. Your patient, Mrs. Ling, has had a mastectomy. How will this affect the ECG procedure?
A. The leads should be placed on the opposite side of the chest and the change should be
recorded on the report.
B. The results may be altered due to the mastectomy, so place the leads on the back if
necessary.
C. No changes need to be made to the ECG procedure; a mastectomy will not alter the
results.
D. No changes need to be made to the ECG procedure; just note that the patient has had a
mastectomy on the report. - correct answer-D. No changes need to be made to the ECG
procedure; just note that the patient has had a mastectomy on the report.
106. You must locate the angle of Louis and the second rib that is adjacent to this landmark
when placing the chest electrodes. Then count down to the 4th intercostal space. Which lead
do you place on the left sternal border?
A. V2
B. V1
,C. V4
D. V3 - correct answer-A. V2
107. The baseline for the ECG you just performed is drifting off center. This is called
wandering baseline. Which of the following is NOT a cause for this type of artifact?
A. Tension on the electrode lead wires.
B. Adequate electrode gel.
C. Dirty electrodes.
D. Poor skin preparation. - correct answer-B. Adequate electrode gel.
108. Which of the following MOST accurately describes the placement of the V6 electrode?
A. Fourth intercostal space at the right of the sternal border.
B. Fifth intercostal space on the left midclavicular line.
C. On the left anterior axillary line.
D. On the midaxillary in line with V4 - correct answer-D. On the midaxillary in line with V4
109. If the chest of the pediatric patient is too small to accommodate all the leads for an
ECG, what should you do?
A. Remove the lead for V3 and note it on the ECG report.
B. Move lead V2 to the right side of the chest at the same location as V3.
C. Move lead V2 to the right side of the chest at the same location as the left.
D. Move lead V3 to the right side of the chest at the same location as the left. - correct
answer-D. Move lead V3 to the right side of the chest at the same location as the left.
11. Based on the American Heart Association's recommendations for reduction or prevention
of heart disease and stroke, which patient has done the most to reduce his risk?
A. Paul Thomas stopped smoking 15 years ago and has maintained a healthy weight by
exercising at least 30 minutes every day and eating a well-balanced diet.
B. James Jones has never smoked, he has a sedentary job that has him in the office 6 days
a week. Because his work schedule, he gets almost no exercise and east fast food
frequently.
C. Carlton Castle stopped smoking last week, but has not increased his physical activity
because he becomes short of breath easily. He lives alone and tends to snack rather than
eat regular meals.
D. Jack Zeus walks every day and east a fairly well-balanced diet. He has reduced his
smoking from one pack per day to a half-pack of low tar cigarettes per day. - correct
answer-A. Paul Thomas stopped smoking 15 years ago and has maintained a healthy
weight by exercising at least 30 minutes every day and eating a well-balanced diet.
110. What is the most frequent problem that can occur during an ECG and what is it's
cause?
A. Unwanted marks known as artifact, caused by activity other than electrical activity.
, B. Unwanted marks on the ECG known as somatic tremors, caused by another source of
electrical activity.
C. Unwanted marks known as artifact, caused by another source of activity or electrical
activity.
D. Unwanted marks on the ECG known as AC interference, caused by the electrical activity
of the heart. - correct answer-C. Unwanted marks known as artifact, caused by another
source of activity or electrical activity.
111. What is the MOST appropriate attire for the patient during an ECG?
A. No jewelry, no shirt, and a drape or gown for privacy.
B. Clothing removed from above the waist, a drape or down tied in front, no jewelry.
C. Clothing removed from about the waist and a gown tied in front.
D. Clothing removed with a gown tied in front or a drape. - correct answer-B. Clothing
removed from above the waist, a drape or down tied in front, no jewelry.
112. Three sites assist in electrode placement. They are the angle of Louis, suprasternal
notch, and what other site?
A. Intercostal lines
B. Einthoven's triangle
C. Angle of Waller
D. Intercostal spaces - correct answer-D. Intercostal spaces
113. What are the three imaginary vertical lines on the chest and why are they important?
A. Anterior clavicular, midaxillary, anterior axillary. They are used to ensure proper electrode
placement.
B. Midclavicular, midaxillary, anterior axillary. They are used to identify the location of the
patient's previous ECG.
C. Midclavicular, midaxillary, anterior axillary. They are used to identify the patient.
D. Midclavicular, midaxillary, anterior axillary. They are used to ensure proper electrode
placement. - correct answer-D. Midclavicular, midaxillary, anterior axillary. They are used to
ensure proper electrode placement.
114. An ECG is required during a Code Blue. What special considerations should you take?
A. Perform two ECG's in a row to ensure the accuracy of the tracing and note "repeat ECG-
same lead placement" on the report.
B. Perform the ECG quickly and efficiently using special electrodes during the emergency.
C. You should be available but out of the way, take only the ECG machine into the room, and
leave the electrodes in place after the recording.
D. Place the chart at the head of the bed in order to provide more room for the Code Blue
equipment. - correct answer-C. You should be available but out of the way, take only the
ECG machine into the room, and leave the electrodes in place after the recording.
115. What is the proper positioning for yourself and the patient during an ECG?
1. In addition to recording the ECG and preparing the report, an ECG technician must be
able to:
A. Determine if the tracing is accurate and recognize if interference causes abnormalities
during the recording process.
B. Evaluate tracing, recognize abnormal heart rhythms, and report abnormalities to the
appropriate health care professionals.
C. Maintain patient records and evaluate tracings.
D. Perform ultrasounds on blood vessels and assist with angioplasty. - correct answer-A.
Determine if the tracing is accurate and recognize if interference causes abnormalities
during the recording process.
10. Which of the following is preformed as a routine procedure or during an emergency in
the hospital setting?
A. Treadmill stress test
B. 12-lead ECG
C. Ambulatory monitoring
D. Telemetry monitoring - correct answer-B. 12-lead ECG
100. You just performed a "STAT" ECG on Mrs. Stephenson. What should you do with the
results?
A. Give it directly to your supervisor or other licensed practitioner or place it on the chart and
inform them that it has been completed.
B. Place it directly on the chart and take a second copy back to the ECG lab.
C. Place it in a box at the nursing station and inform your supervisor that it has been
completed.
D. Place it in the consulting physician's box and inform him or her htat it has been
completed. - correct answer-A. Give it directly to your supervisor or other licensed
practitioner or place it on the chart and inform them that it has been completed.
101. What is the most important consideration when performing an ECG on a patient two
days in a row?
A. Keep the electrodes at the same site by leaving them in place after the first ECG.
B. The electrodes should be places at the same site or as close as possible in order for the
tracings to be evaluated correctly.
C. Use the same ECG machine for each ECG in order for them to be evaluated correctly.
D. The lead wire cables and electrodes should remain attached overnight so the tracing will
be accurate. - correct answer-B. The electrodes should be places at the same site or as
close as possible in order for the tracings to be evaluated correctly.
,102. If you were performing an ECG on a patient who has had his left lower leg amputated,
where should you put the leg electrodes?
A. Place both the left and right electrodes on the lower abdomen.
B. Place the left electrode on the upper left and the right leg electrode on the lower leg.
C. Place both the left and right electrodes on the upper legs close to the trunk.
D. Place both electrodes on the chest below the chest electrodes. - correct answer-C. Place
both the left and right electrodes on the upper legs close to the trunk.
103. Which of the following statements is TRUE regarding the room or machine used for an
ECG?
A. The room should be away from electrical equipment and x-ray machines; electrical
equipment should be turned off.
B. The machine should be placed directly beside other electrical equipment to avoid
interference.
C. All electrical equipment should be turned off and the room should be closed to other
diagnostic rooms.
D. The room should always be away from electrical and all electrical equipment should be
turned on. - correct answer-A. The room should be away from electrical equipment and x-ray
machines; electrical equipment should be turned off.
104. If all required information is not on the form, what should you do?
A. Refuse to perform the ECG.
B. Ask the patient or obtain the information from the medical record.
C. Call the physician to obtain the information.
D. Ask the patient's visitor for the information. - correct answer-B. Ask the patient or obtain
the information from the medical record.
105. Your patient, Mrs. Ling, has had a mastectomy. How will this affect the ECG procedure?
A. The leads should be placed on the opposite side of the chest and the change should be
recorded on the report.
B. The results may be altered due to the mastectomy, so place the leads on the back if
necessary.
C. No changes need to be made to the ECG procedure; a mastectomy will not alter the
results.
D. No changes need to be made to the ECG procedure; just note that the patient has had a
mastectomy on the report. - correct answer-D. No changes need to be made to the ECG
procedure; just note that the patient has had a mastectomy on the report.
106. You must locate the angle of Louis and the second rib that is adjacent to this landmark
when placing the chest electrodes. Then count down to the 4th intercostal space. Which lead
do you place on the left sternal border?
A. V2
B. V1
,C. V4
D. V3 - correct answer-A. V2
107. The baseline for the ECG you just performed is drifting off center. This is called
wandering baseline. Which of the following is NOT a cause for this type of artifact?
A. Tension on the electrode lead wires.
B. Adequate electrode gel.
C. Dirty electrodes.
D. Poor skin preparation. - correct answer-B. Adequate electrode gel.
108. Which of the following MOST accurately describes the placement of the V6 electrode?
A. Fourth intercostal space at the right of the sternal border.
B. Fifth intercostal space on the left midclavicular line.
C. On the left anterior axillary line.
D. On the midaxillary in line with V4 - correct answer-D. On the midaxillary in line with V4
109. If the chest of the pediatric patient is too small to accommodate all the leads for an
ECG, what should you do?
A. Remove the lead for V3 and note it on the ECG report.
B. Move lead V2 to the right side of the chest at the same location as V3.
C. Move lead V2 to the right side of the chest at the same location as the left.
D. Move lead V3 to the right side of the chest at the same location as the left. - correct
answer-D. Move lead V3 to the right side of the chest at the same location as the left.
11. Based on the American Heart Association's recommendations for reduction or prevention
of heart disease and stroke, which patient has done the most to reduce his risk?
A. Paul Thomas stopped smoking 15 years ago and has maintained a healthy weight by
exercising at least 30 minutes every day and eating a well-balanced diet.
B. James Jones has never smoked, he has a sedentary job that has him in the office 6 days
a week. Because his work schedule, he gets almost no exercise and east fast food
frequently.
C. Carlton Castle stopped smoking last week, but has not increased his physical activity
because he becomes short of breath easily. He lives alone and tends to snack rather than
eat regular meals.
D. Jack Zeus walks every day and east a fairly well-balanced diet. He has reduced his
smoking from one pack per day to a half-pack of low tar cigarettes per day. - correct
answer-A. Paul Thomas stopped smoking 15 years ago and has maintained a healthy
weight by exercising at least 30 minutes every day and eating a well-balanced diet.
110. What is the most frequent problem that can occur during an ECG and what is it's
cause?
A. Unwanted marks known as artifact, caused by activity other than electrical activity.
, B. Unwanted marks on the ECG known as somatic tremors, caused by another source of
electrical activity.
C. Unwanted marks known as artifact, caused by another source of activity or electrical
activity.
D. Unwanted marks on the ECG known as AC interference, caused by the electrical activity
of the heart. - correct answer-C. Unwanted marks known as artifact, caused by another
source of activity or electrical activity.
111. What is the MOST appropriate attire for the patient during an ECG?
A. No jewelry, no shirt, and a drape or gown for privacy.
B. Clothing removed from above the waist, a drape or down tied in front, no jewelry.
C. Clothing removed from about the waist and a gown tied in front.
D. Clothing removed with a gown tied in front or a drape. - correct answer-B. Clothing
removed from above the waist, a drape or down tied in front, no jewelry.
112. Three sites assist in electrode placement. They are the angle of Louis, suprasternal
notch, and what other site?
A. Intercostal lines
B. Einthoven's triangle
C. Angle of Waller
D. Intercostal spaces - correct answer-D. Intercostal spaces
113. What are the three imaginary vertical lines on the chest and why are they important?
A. Anterior clavicular, midaxillary, anterior axillary. They are used to ensure proper electrode
placement.
B. Midclavicular, midaxillary, anterior axillary. They are used to identify the location of the
patient's previous ECG.
C. Midclavicular, midaxillary, anterior axillary. They are used to identify the patient.
D. Midclavicular, midaxillary, anterior axillary. They are used to ensure proper electrode
placement. - correct answer-D. Midclavicular, midaxillary, anterior axillary. They are used to
ensure proper electrode placement.
114. An ECG is required during a Code Blue. What special considerations should you take?
A. Perform two ECG's in a row to ensure the accuracy of the tracing and note "repeat ECG-
same lead placement" on the report.
B. Perform the ECG quickly and efficiently using special electrodes during the emergency.
C. You should be available but out of the way, take only the ECG machine into the room, and
leave the electrodes in place after the recording.
D. Place the chart at the head of the bed in order to provide more room for the Code Blue
equipment. - correct answer-C. You should be available but out of the way, take only the
ECG machine into the room, and leave the electrodes in place after the recording.
115. What is the proper positioning for yourself and the patient during an ECG?
