ECG Final
- 1.
All of the following rhythms usually find the patient in situations requiring immediate emergency interventions except P149
- A.
Asystole
- B.
Ventricular fibrillation
- C.
Ventricular tachycardia
- D.
Premature ventricular contractions
Correct Answer
D. Premature ventricular contractions -
- 2.
The two most common types of ambulatory monitoring are P210
- A.
Continuous and intermittent
- B.
Holter and 12-lead ECG
- C.
12-lead ECG and exercise electrocardiography
- D.
Continuous and 12-lead ECG
Correct Answer
A. Continuous and intermittent -
- 3.
Who should always be present during an exercise electrocardiography? P192
- A.
Registered nurse
- B.
Physician
- C.
ECG technician
- D.
Cardiac technician
Correct Answer
B. Physician -
- 4.
What does the ST segment in the figure below indicate? P187
- A.
A normal ST segment if during exercise electrocardiography
- B.
That the heart medications are working
- C.
Myocardial ischemia 心肌缺血
- D.
Angina
Correct Answer
C. Myocardial ischemia 心肌缺血 -
- 5.
The P wave represents. P41
- A.
Atrial contraction
- B.
Atrial relaxation
- C.
Ventricular contraction
- D.
Ventricular relaxation
Correct Answer
A. Atrial contraction -
- 6.
Reasons for performing an ECG include all of the following except to
- A.
Diagnose changes in heart rhythm
- B.
Determine amount of muscles damage to the heart
- C.
Monitor and evaluate individuals with heart conditions
- D.
Check for problems with the flow of electricity through the heart
Correct Answer
B. Determine amount of muscles damage to the heart -
- 7.
If a patient refuses to have an ECG performed, your next step in performing an ECG is to P83
- A.
Provide any information or reassurance the patient may need
- B.
Determine the cause of the refusal
- C.
Be sure to explain that the machine only records electricity and does not deliver electricity
- D.
Notify your supervisor
Correct Answer
B. Determine the cause of the refusal -
- 8.
Which procedure does not require an informed consent with the patient signing a consent form? P198
- A.
Treadmill stress test
- B.
Echocardiogram 超声心动图
- C.
Holter monitor
- D.
12-lead ECG
Correct Answer
B. Echocardiogram 超声心动图 -
- 9.
Analyzing the shape of the P waves to see if they are all the same shape is to determine if P41
- A.
The atrial impulses caused the ventricle contraction
- B.
Atrial contraction occurred
- C.
The atrial current is moving in the same pathway
- D.
None of the above
Correct Answer
B. Atrial contraction occurred -
- 10.
The QRS complex represents P41
- A.
Atrial contraction
- B.
Atrial relaxation
- C.
Ventricular contraction
- D.
Ventricular relaxation
Correct Answer
C. Ventricular contraction -
- 11.
Which of the following is a common stress test protocol? 196
- A.
Bruce
- B.
Modified Bruce
- C.
Naughton
- D.
All of the above
Correct Answer
D. All of the above -
- 12.
When estimating the heart rate with the 6-second method, you must located 6-seconds on a rhythm strip, count the number of complexes, and multiply by P70
- A.
10
- B.
60
- C.
5
- D.
15
Correct Answer
A. 10 -
- 13.
Identify the following rhythm: P138
- A.
Atrial fibrillation
- B.
Ventricular tachycardia
- C.
Ventricular fibrillation
- D.
Supraventricular tachycardia
Correct Answer
D. Supraventricular tachycardia -
- 14.
In order to be able to interpret the information, the ECG machine will_______the recording in augmented leads P56
- A.
Increase
- B.
Decrease
- C.
Half the voltage
- D.
No change
Correct Answer
A. Increase -
- 15.
Electrical safety is maintained while performing an ECG by all of the following except P90
- A.
Removing the plug from the electrical outlet by pulling it out by the prong connection
- B.
Ensuring that the bed or examination table is not touching the wall or any electrical equipment
- C.
Checking the insulation on the electrical cord for cracks or frays
- D.
Having the patient remove any electrical equipment from his body
Correct Answer
D. Having the patient remove any electrical equipment from his body -
- 16.
Identify the following rhythm: P154
- A.
Atrial fibrillation
- B.
Sinus rhythm
- C.
Bundle branch block
- D.
Agonal rhythm
Correct Answer
D. Agonal rhythm -
- 17.
Identify the basic functions of the electrocardiograph. P60
- A.
Input
- B.
Signal processing
- C.
Output display
- D.
All of the above
Correct Answer
D. All of the above -
- 18.
The normal QRS complex duration measurement is P42
- A.
0.12 to 0.2 seconds
- B.
Greater than 0.12 second
- C.
0.06 to 0.10 seconds
- D.
None of the above
Correct Answer
C. 0.06 to 0.10 seconds -
- 19.
After recognizing artifact on the ECG tracing, you notice that the patient is oily and the electrodes will not stay on the chest during the monitoring. What should you do next? P93
- A.
Clean the skin with alcohol and gauze or an alcohol prep pad
- B.
Clean the skin, apply benzoin, or spray deodorant before applying electrodes
- C.
Reapply electrodes without any cleaning
- D.
None of the above
Correct Answer
A. Clean the skin with alcohol and gauze or an alcohol prep pad -
- 20.
The ST segment represents. P41
- A.
Atrial comtraction
- B.
Ventricular contraction
- C.
Time between ventricular contraction and beginning of relaxation
- D.
Time between atrial contraction and beginning of relaxation
Correct Answer
C. Time between ventricular contraction and beginning of relaxation -
- 21.
The purpose of ambulatory monitoring is to document the electrical activity in the heart and identify any abnormal heart behaviors when P217
- A.
Performing a treadmill exercise test in the doctor's office
- B.
The patient is lying on a bed or observation table
- C.
The patient assumes normal activities of living
- D.
None of the above
Correct Answer
C. The patient assumes normal activities of living -
- 22.
As you are conducting a 12-lead ECG, a red line appears at the bottom of your ECG graph paper. What does this mean?
- A.
You have placed an electrode in the wrong position
- B.
The ECG paper is running low and needs to be replaced soon
- C.
The patient has moved during the ECG procedure and an invalid recording has occurred
- D.
Nothing. This is what occurs with each 12 lead ECG tracing
Correct Answer
B. The ECG paper is running low and needs to be replaced soon -
- 23.
Identify the health conditions that prevents patients from participating in exercise electrocardography: P193
- A.
Heart aneurysm 心脏动脉瘤
- B.
Uncontrolled disturbance of the heartbeat 失控的心跳紊乱
- C.
Unstable angina 不稳定型心绞痛
- D.
All of the above
- E.
Inflammation surrounding the heart or heart muscle
- F.
Severe anemia严重贫血
- G.
Uncontrolled hypertension
- H.
Congestive heart failure充血性心力衰竭
Correct Answer
D. All of the above -
- 24.
Asystole or a flat line occurs on the ECG tracing but your patient is talking to you after the procedure. What is the potential problem with the ECG setup? P96
- A.
Electrodes are dried out without any gel
- B.
A lead wire is loose
- C.
A lead wire has been switched
- D.
Any of the above
Correct Answer
D. Any of the above -
- 25.
Your patient asks questions about the reason for his ECG after you explain the procedure to him. Your next step would be to
- A.
Repeat the instructions and clarify his concerns
- B.
Perform the procedure any away
- C.
Ask someone else to answer his questions
- D.
Ask the doctor to explain the procedure
Correct Answer
A. Repeat the instructions and clarify his concerns -
- 26.
Which type of monitoring requires the patient to activate the monitor while the patient is experiencing symptoms? P213
- A.
Transtelephonic monitor-loop-memory monitor
- B.
Transtelephonic monitor-post-symptom event monitor
- C.
24-hour Holter monitoring
- D.
None of the above
Correct Answer
B. Transtelephonic monitor-post-symptom event monitor -
- 27.
Ways to reduce or prevent heart disease or stroke include
- A.
Avoiding tobacco
- B.
Being more active
- C.
Choosing good nutrition
- D.
All of the above
Correct Answer
D. All of the above -
- 28.
The ECG tracing has a wandering baseline through leads I, II, III, aVR aVF, and aVL. What leads need to be assessed for proper application, tension on leads, and possible electrode replacement? P55
- A.
Limb leads
- B.
Chest leads
- C.
Arm limb leads only
- D.
All of the above
Correct Answer
A. Limb leads -
- 29.
Identify the following rhythm: P132
- A.
Atrial flutter as sawtooth pattern
- B.
Atrial fibrillation
- C.
Ventricular vibrillation
- D.
Supraventricular tachycardia
Correct Answer
A. Atrial flutter as sawtooth pattern -
- 30.
The ECG waveform is indicative of
- A.
Electrical impulses through the heart
- B.
Abonrmal heart valve conditions
- C.
Contraction of heart muscles
- D.
Heart's pumping capability
Correct Answer
A. Electrical impulses through the heart -
- 31.
The following rhythm occurred after the patient had recently been treated for a fast heart rate. What should you to do now about the patient?
- A.
No intervention is necessary
- B.
Notify your supervisor immediately
- C.
Check to make sure the patient is not experiencing problem with a low cardiac output
Correct Answer
C. Check to make sure the patient is not experiencing problem with a low cardiac output -
- 32.
What component are essential to perform an ECG?
- A.
Being familiar with ECG machine
- B.
Knowledge of basic principles of safety and infection control
- C.
Good communication skills
- D.
All of the above
Correct Answer
D. All of the above -
- 33.
Determining the type of ECG rhythm the patient has, the ECG technician is required to evaluate the components of the ECG rhythm strip including all the following except
- A.
Regularity
- B.
Measurement of the U wave
- C.
Rate
- D.
PR interval measurement
Correct Answer
B. Measurement of the U wave -
- 34.
Which type of atrial ventricular block tends to progress quickly to third-degree AV block or complete heart block? P143
- A.
First-degree AV block
- B.
Second-degree AV block, Mobitz type I (Wenckebach)
- C.
Second-degree AV block, Mobitz type II (Classical)
- D.
Second-degree AV block, Mobitz type III
Correct Answer
C. Second-degree AV block, Mobitz type II (Classical) -
- 35.
Electronic pacemakers function and are effective based upon the principle of P158
- A.
The fastest pacemaker of the heart will cause the blood flow
- B.
The fastest pacemaker of the heart will control the heart rate
- C.
The slowest pacemaker of the heart will control the heart beats
- D.
All extra electrical impulses control the heart
Correct Answer
B. The fastest pacemaker of the heart will control the heart rate -
- 36.
The steps in evaluating a pacemaker ECG tracing include all of the following except: P160
- A.
What are the regularity and rate of the paced rhythm?
- B.
Is atrial capture present?
- C.
Is there appropriate ventricular sensing occurring
- D.
What is the ratio of how many paced beats compared to own beats within 1 minute?
Correct Answer
D. What is the ratio of how many paced beats compared to own beats within 1 minute? -
- 37.
You have just received a new ECG machine at your place of employment. What are the essential components that you need to do prior to using the new ECG machine on a patient?
- A.
Practice one or two ECGs
- B.
Read the directions provided by the manufacturer
- C.
Become familiar with the particular machine
- D.
All of the above
Correct Answer
D. All of the above -
- 38.
Atrioventricular pacing is similar to what characteristics of the heart? P118,160
- A.
Normal conduction pathway
- B.
Normal valvular function
- C.
Normal blood flow of the heart
- D.
None of the above
Correct Answer
A. Normal conduction pathway -
- 39.
The signal processing occurs inside the ECG machine, and it P60
- A.
Amplifies the electrical impulse
- B.
Converts the impulse into mechanical actions on the display
- C.
Prepares the signal for transfer to the output display or printed report
- D.
All of the above
Correct Answer
D. All of the above -
- 40.
Your patient has a cast on his lower left leg. The location of the limb electrodes is
- A.
Right leg electrode at the lower leg and left leg electrode at the inner thigh
- B.
Right leg electrode at the lower leg and lefte leg electrode on the top of the cast
- C.
At equal level on the thigh
- D.
The same as if the patient did not have a cast
Correct Answer
C. At equal level on the thigh -
- 41.
An ECG monitor technician's main responsibility is to
- A.
View the ECG tracings and alert the health care professional of an abnormal heart rhythm
- B.
Assist the physicians with invasive cardiovascular diagnostic tests
- C.
Perform ultrasounds of the blood vessels
- D.
Record the 12-lead ECG and prepare the report for the physician
Correct Answer
A. View the ECG tracings and alert the health care professional of an abnormal heart rhythm -
- 42.
The normal PR interval is P42
- A.
0.10-0.16 second
- B.
0.12-0.20 second
- C.
0.06-0.10 second
- D.
Greater than 0.12 second
Correct Answer
B. 0.12-0.20 second -
- 43.
Oxygenated blood travels through the heart via the: P33
- A.
Pulmonary arteries
- B.
Peripheral venous system
- C.
Aorta
- D.
Coronary arteries
Correct Answer
D. Coronary arteries -
- 44.
General day-to-day care and maintenance of the ECG machine includes P99
- A.
Cleaning the ECG machine
- B.
Stocking the supplies
- C.
Checking the paper supply
- D.
All of the above
Correct Answer
D. All of the above -
- 45.
The electrocardiogram is a study of P 2
- A.
Coronary artery blood supply
- B.
Ejection fraction of the heart 射血分数心
- C.
Electrical activity within the heart
- D.
Muscle movement of the heart
Correct Answer
C. Electrical activity within the heart -
- 46.
The proper location to place the V1 lead is the P86
- A.
Fourth intercostal space, left sternal border
- B.
Fifth intercostal space at the midclavicular line
- C.
Fifth intercostal space, midaxillary line
- D.
Fourth intercostal space, right sternal border
Correct Answer
D. Fourth intercostal space, right sternal border -
- 47.
The Einthoven triangle is formed by the following three limb leads P55
- A.
Right arm, left arm, right leg
- B.
Right leg, left arm, left leg
- C.
Right arm, left arm, left leg
- D.
None of the above
Correct Answer
C. Right arm, left arm, left leg -
- 48.
An informed consent is required for an exercise electrocardiography. The informed consent implies that the patient understandes P190
- A.
The treatment and risks
- B.
Why the procedure is being performed
- C.
What the alternative treatments and risks are
- D.
All of the above
Correct Answer
D. All of the above -
- 49.
The ECG technician's responsibility during an exercise electrocardiograph includes all of the following except: P5
- A.
Providing for safety
- B.
Educating and preparing the patient prior to the procedure
- C.
Weighing the patient prior to the testing
- D.
Instructing the patient to report symptoms
Correct Answer
C. Weighing the patient prior to the testing -
- 50.
The procedure of preventing transfer of infection from one patient to another can be done by following P14 or 89
- A.
Safety precautions
- B.
Universal precautions
- C.
Contact isolation techniques
- D.
Droplet isolation techniques
Correct Answer
B. Universal precautions -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Mar 14, 2022Quiz Edited by
ProProfs Editorial Team -
May 23, 2011Quiz Created by
Wkhuu1
Back to top