CRAT EXAMINATION TEST 2025/2026 QUESTIONS WITH
ANSWERS GRADED A+
✔✔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. - ✔✔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. - ✔✔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. - ✔✔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. - ✔✔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. - ✔✔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. - ✔✔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 - ✔✔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. - ✔✔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 - ✔✔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. - ✔✔D.
Move lead V3 to the right side of the chest at the same location as the left.
✔✔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. - ✔✔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. - ✔✔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 - ✔✔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. - ✔✔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. - ✔✔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?
A. Work from the right side of the bed with the patient on his or her back with the arms
and legs supported and not touching metal.
B. Work from the left side of the bed and exam table with the patient on his or her back
with the arms and legs supported and not touching metal.
C. Provide a drape for the patient, work from the left side, and keep the extremities
extended off the bed and not touching metal.
D. Work from the left side of the bed or exam table with the patient slightly on this or her
left side with the arms and legs supported. - ✔✔B. Work from the left side of the bed
and exam table with the patient on his or her back with the arms and legs supported
and not touching metal.
✔✔116. While you are performing an ECG, the tracing looks like this? What should you
do? - Flat line
A. Remain calm and inform your supervisor immediately.
B. Check the patient; if the patient is able to respond, report the tracing results to the
licensed practitioner.
C. Remain calm and check the electrodes, lead wires, and cables for proper
attachment.
ANSWERS GRADED A+
✔✔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. - ✔✔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. - ✔✔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. - ✔✔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. - ✔✔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. - ✔✔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. - ✔✔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 - ✔✔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. - ✔✔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 - ✔✔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. - ✔✔D.
Move lead V3 to the right side of the chest at the same location as the left.
✔✔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. - ✔✔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. - ✔✔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 - ✔✔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. - ✔✔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. - ✔✔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?
A. Work from the right side of the bed with the patient on his or her back with the arms
and legs supported and not touching metal.
B. Work from the left side of the bed and exam table with the patient on his or her back
with the arms and legs supported and not touching metal.
C. Provide a drape for the patient, work from the left side, and keep the extremities
extended off the bed and not touching metal.
D. Work from the left side of the bed or exam table with the patient slightly on this or her
left side with the arms and legs supported. - ✔✔B. Work from the left side of the bed
and exam table with the patient on his or her back with the arms and legs supported
and not touching metal.
✔✔116. While you are performing an ECG, the tracing looks like this? What should you
do? - Flat line
A. Remain calm and inform your supervisor immediately.
B. Check the patient; if the patient is able to respond, report the tracing results to the
licensed practitioner.
C. Remain calm and check the electrodes, lead wires, and cables for proper
attachment.
