ECG Final
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- 1.
- A.
Asystole
- B.
Ventricular fibrillation
- C.
Ventricular tachycardia
- 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
- 3.Who should always be present during an exercise electrocardiography? P192
- A.
Registered nurse
- B.
Physician
- C.
ECG technician
- D.
Cardiac technician
- 4.
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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
- 5.The P wave represents. P41
- A.
Atrial contraction
- B.
Atrial relaxation
- C.
Ventricular contraction
- D.
Ventricular relaxation
- 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
- 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
- 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
- 9.
- 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
- 10.The QRS complex represents P41
- A.
Atrial contraction
- B.
Atrial relaxation
- C.
Ventricular contraction
- D.
Ventricular relaxation
- 11.Which of the following is a common stress test protocol? 196
- A.
Bruce
- B.
Modified Bruce
- C.
Naughton
- 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
- 13.Identify the following rhythm: P138
- A.
Atrial fibrillation
- B.
Ventricular tachycardia
- C.
Ventricular fibrillation
- 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
- 15.
- 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
- 16.
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Identify the following rhythm: P154- A.
Atrial fibrillation
- B.
Sinus rhythm
- C.
Bundle branch block
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 29.
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Identify the following rhythm: P132- A.
Atrial flutter as sawtooth pattern
- B.
Atrial fibrillation
- C.
Ventricular vibrillation
- D.
Supraventricular tachycardia
- 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
- 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
- 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
- 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
- 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
- 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
- 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?
- 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
- 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
- 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
- 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
- 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
- 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
- 43.Oxygenated blood travels through the heart via the: P33
- A.
Pulmonary arteries
- B.
Peripheral venous system
- C.
Aorta
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 51.When performing an ECG, what procedures must you always follow to prevent spread of infection? P14 or 89
- A.
Contact precautions
- B.
Isolation techniques
- C.
Universal precautions
- D.
Standard precautions
- 52.Each little box on the ECG paper horizontally represents P69
- A.
0.04 second
- B.
0.20 second
- C.
1mV
- D.
1 sencond
- 53.While the ECG technician is performing an ECG tracing, the patient has a seizure. What is the ECG technician's responsibility? P105
- A.
Stay with the patient and protect the patient from injury
- B.
Call for help and report the seizure
- C.
After the seizure, perform the ECG again and indicate "post-seizure"
- D.
All of the above
- 54.You are recording an ECG tracing on a female patient who has had a mastectomy. Your responsibilties include P102
- A.
Documenting this information on the ECG tracing
- B.
Trying to adjust the lead placement similar to where the leads would be prior to the mastectomy
- C.
Move the limb leads to the patient's shoulders and thighs
- D.
Place the electrodes on the patient's back
- 55.
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What is the basic patient care and treatment for the rhythm pictured? P156- A.
Check the patient and institute emergency treatment
- B.
Call your immediate supervisor
- C.
Find someone else to take care of the patient
- D.
Replace the electrodes
- 56.Identify some of the topics nesessary to teach the patient prior to staring the ambulatory monitoring procedure. P218-219
- A.
Why the patient is having the test
- B.
Length of time the monitor will be on the patient
- C.
The patient should take sponge baths only
- D.
All of the above
- 57.Your patient asks you to explain the results of the exercise electrocardiography. Your response is to P188
- A.
Explain the procedure
- B.
Tell him/her to ask the nurse
- C.
Ignore the question
- D.
Refer him/her to the physician
- 58.
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Identify the following rhythm: P145- A.
Second degree AV block, Mobitz type I (Wenckebach)
- B.
Sinus bradycardia
- C.
Ventricular rhythm
- D.
Third degree AV block - complete heart block
- 59.Sinus bradycardia (SB) has the same criteria as sinus rhythm with the only difference being that the P124
- A.
Heart rate is faster
- B.
Heart rate is slower
- C.
PR interval measurement is greater than 0.12 second
- D.
QRS duration is within normal limits
- 60.The ECG complexes are determined to occur in a regular pattern. What method do you use to best calculate the heart rate? P70
- A.
Six-second method
- B.
Count the number of boxes between the R-R complexes and divide that number into 1500
- C.
Both of the above
- D.
Neither of the above
- 61.A patient states " I don't want to be shocked with the electricity" while you are setting up a Holter monitor. Your best response is:
- A.
Don't worry. It won't hurt you
- B.
A Holter monitor only records your heart's activity and doen't give off any electricity
- C.
I'll have the doctor explain the procedure to you again
- D.
I have to get this done now. Please let me put these leads on you
- 62.Leaving the patient's chart in a full waiting room while you help someone to the exam room could be considered
- A.
Slander
- B.
Libel
- C.
Acceptable practice
- D.
Breach of confidentiality
- 63.What is the single most important procedure you can perform to prevent spread of infection? P18
- A.
Wearing gloves
- B.
Using universal precautions
- C.
Handwashing
- D.
Explaining the procedure to the patient
- 64.Identify the types of Holter monitoring available for patients. P211 and 213
- A.
Telemetry
- B.
Transtelphonic - loop memory monitoring
- C.
Transtelephonic - post symptom event monitoring
- D.
All of the above
- 65.How can the ECG technician maintain infection control during the performance of an ECG procedure? P89
- A.
Using universal precautions
- B.
Washing hands prior to the procedure
- C.
Wearing gloves if there is a risk of exposure to patient's blood or other body fluid's
- D.
All of the above
- 66.The ECG graph paper consists of time horizontally and voltage vertically. What is the time and voltage represented with 1 large box? P69
- A.
0.04 second and 0.1mV
- B.
0.20 second and 0.5mV
- C.
0.10 second and 0.4mV
- D.
0.50 second and 0.2mV
- 67.
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Identify the following rhythm: P124- A.
Sinus bradycardia
- B.
Sinus rhythm
- C.
Sinus tachycardia
- D.
Ventricular bradycardia
- 68.Which type of ambulatory monitoring is performed in a medical facility? P210
- A.
Telemetry
- B.
Transtelphonic
- C.
12-lead ECG
- D.
All of the above
- 69.Prior to performing an ECG, all of the following information needs to be identified on the requisition or consult except: P80
- A.
Patient's name and identification number
- B.
Location, date and time
- C.
Weight and height of patient
- D.
Patient's current position
- 70.Who invented the first electrocardiograph? P4
- A.
Wilhelm Einthoven
- B.
Sir Thomas Lewis of London
- C.
Augusta Waller
- D.
Calm Arrhythmia
- 71.Which of the following is an important consideration when applying electrodes to the skin of an elderly patient? P222
- A.
Use abrasive cleaners to prepare the skin
- B.
Apply the electrodes with firm pressure
- C.
Certain medications may make skin thin and fragile
- D.
All of the above
- 72.The quality of the heart to initiate an electrical impulse without being stimulated by another independent source is called P37
- A.
Excitability
- B.
Contractility
- C.
Conductivity
- D.
Automaticity
- 73.Which of the following is an abnormal symptom that should be recorded during ambulatory monitoring? P208
- A.
Cheestpain
- B.
Indigestion
- C.
Dizziness
- D.
All of the above
- 74.The ECG technician is placing chest leads on the child and there doesn't appear to be enough room to place the five chest leads on the left side of the chest. The ECG technician should P102
- A.
Squeeze the electrodes together
- B.
Cut the electrodes to make them fit
- C.
Move the V3 lead to the right side and indicate the change on ECG information
- D.
Adjust the paper speed to 50 mm/second
- 75.Before operating the ECG machine, make sure that you have done all of the following except:
- A.
Cleaning the bed or the examination table
- B.
Explain the procedure to the patient
- C.
Checking the equipment for proper functioning
- D.
Providing for safety and infection control
- 76.The time frame that an exercise electrocardiography takes is P191
- A.
15-20 minutes
- B.
45-60 minutes
- C.
1-11/2 hours
- D.
20-45 minutes
- 77.The steps to performing an exercise electrocardiography include P193
- A.
Assembling and preparing the equipment
- B.
Verifying that he/she is properly prepared according to quidelines given the patient
- C.
Both of the above
- D.
Neither of the above
- 78.Often it is difficult to read the ECG tracing when the rate is fast. Where should you set the speed control rate to be able to interpret the ECG tracing more easily? P62
- A.
15 mm/sec
- B.
100 mm/sec
- C.
25 mm/sec
- D.
50 mm/sec
- 79.Your responsibilities to care for a patient with complete heart block include P145
- A.
Observing the patient for symptoms of low cardiac output
- B.
Reporting any signs and symptoms to the licensed personnel
- C.
Initiating emergency procedures if needed
- D.
All of the above
- 80.
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Identify the following rhythm: P156- A.
Ventricular rhythm
- B.
Ventricular tachycardia
- C.
Ventricular fibrillation
- D.
Asystole
- 81.Blood returns to the heart via veins. The largest vein is the P32
- A.
Vena cava
- B.
Cava vena
- C.
Aorta
- D.
Subclavian vein
- 82.All of the following are uses for exercise electrocardiography except to: P187
- A.
Help diagnose the cause of chest pain
- B.
Screen for heart disease when no symptoms are present, especially in men over age 35
- C.
Help set limitations for an exercise program
- D.
Determine the function of the heart valves
- 83.The SA node will send an electrical impulse at a rate of P38
- A.
72-100 beats/minute
- B.
40-60 beats/minute
- C.
20-40 beats/minute
- D.
60-100 beats/minute
- 84.Measuring the PR interval requires the ECG technician to measure the period of time represented by the P42
- A.
Beginning of the Q wave to the J point
- B.
Beginning of the Q wave to the beginning to the T wave
- C.
Beginning of the P wave to the beginning of the QRS complex
- D.
Beginning of the P wave to the end of the R wave
- 85.All of the following are types of leads from the 12 lead ECG except P55
- A.
Bipolar
- B.
Unipolar
- C.
Chest
- D.
Abdomen
- 86.The normal range of the PR interval is P42
- A.
0.12 to 0.20 seconds
- B.
0.06 to 0.10 seconds
- C.
0.10 to 0.20 seconds
- D.
Less than 0.12 seconds
- 87.During the procedure, you notice the patient to have a pale color skin, shortness of breath, and heavy amount of perspiration. You know that the patient is experiencing
- A.
A normal response to activity
- B.
No difficulties
- C.
A heart attack
- D.
A possible problem that needs to be reported to the physician
- 88.Bundle branch block rhythm often has similarities to a sinus complex, with the distinguishing criteria of P148
- A.
PR interval > 0.20 second
- B.
QRS duration > 0.12 second
- C.
QRS duration< 0.12 second
- D.
PR interval < 0.12 second
- 89.QRS duration measurement is essential to determine the time it takes for P41
- A.
Atrial contraction
- B.
Ventricular contraction
- C.
Ventricular relaxation
- D.
Atrial relaxation
- 90.If you can't identify an R wave on the ECG tracing, which of the following waves would you use to determine the regularity of the ventricles? P116
- A.
Q and S wave junction
- B.
P and R wave junction
- C.
T wave
- D.
P wave
- 91.To obtain a 12-lead ECG tracing, you must apply how many electrodes to the patient? P53
- A.
8
- B.
12
- C.
10
- D.
3
- 92.
- A.
Reattach the lead wires to follow the contours of the body so that they do not cross each other
- B.
Reposition the lead wires that are crossing each other
- C.
Perform the 12-lead ECG as ordered since it is a STAT procedure
- D.
Replace the electrodes and then reattach the lead wires
- 93.What do you need to teach the patient about the diary entries? P217
- A.
Record all activities
- B.
Record times of physical and emotional stress
- C.
Record all usual and unusual events sush as urination, bowel movements, sexual activities, etc.
- D.
All of the above
- 94.Diastole is the____________phase of the heart. P35
- A.
Ventricles squeezing
- B.
Contraction
- C.
Relaxation
- D.
Blood moving through the heart
- 95.If you have a patient who can only sign with an "X", it is important to: P191
- A.
Have the family member sign and the patient sign
- B.
Leave the consent blank
- C.
Explain the procedure with a witness present and have the witness sign along with the X
- D.
Write the reason the patient only signed with an "X"
- 96.If current moves away from the positive electrode on an ECG, the ECG waveform will have a(n)______deflection
- A.
Upward
- B.
Downward
- C.
Positive
- D.
Isoelectric
- 97.Regularity of the rhythm is determined by using calipers to analyze whether the complexes have a regular or irregular pattern. What are the complexes evaluated? P116
- A.
P-P
- B.
R-R
- C.
Both of the above
- D.
Neither of the above
- 98.When preparing the patient for ambulatory monitoring, it is important to P220
- A.
Prepare the emotionally
- B.
Prepare the patient physically
- C.
Neither of the above
- D.
Both of the above
- 99.The gain control is normally set at P63
- A.
10 mm/mV
- B.
20 mm/mV
- C.
5 mm/mV
- D.
25 mm/mV
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