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CET Practice Q's #1 Flashcards | StudBud
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CET Practice Q's #1
CET Practice Q's #1
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1
Why should a resting tab electrode not be used for more than two consecutive EKG tracings?
The electrodes will not conduct accurately after two EKG tracings
The electrodes will not re-adhere after being removed between tracings
The electrode cannot conduct a signal after two EKG tracings
The electrodes need to be cleaned after two EKGs
2
Which is the more effective technique to use to verify that a patient understands the Holter monitor instructions?
Have the patient repeat the instructions back
Ask the patient if they understand the instructions
Watch the patient for signs of understanding
Have the patient complete a test about the instructions
3
An EKG tech is preparing a 12-lead EKG for a healthy patient. Which position should the patient be placed in?
Left lateral position
Trendelenburg position
Right lateral position
Supine position
4
A tech has a patient with a ventricular pacemaker. Which pattern should the tech expect after a pacing spike?
QRS interval between 0.06 and 0.10 seconds
Regular P waves
AV delay between 0.12 and 0.16 seconds
Wide QRS interval
5
Which of the following lead groups forms Einthoven's triangle?
Leads V4, V5, and V6
Leads V1, V2 and V3
Leads aVR, aVL, and aVF
Leads I, II, and III
6
A patient is unconscious upon arrival at the ER dept. You have an order for an EKG which actions should the tech follow?
Wait for the patient's adult child to arrive to obtain consent
Assume implied consent because the patient's condition is critical
Wait for the provider to arrive before performing the EKG
Check the patient's insurance to ensure EKG's are covered
7
The provider takes an apical pulse. The tech should know that which location is used for this assessment?
The thumb side of the left wrist
The antecubital aspect of the left or right elbow
Between the fifth and sixth ribs, at the left midclavicular line
Between the larynx and left sternocleidomastoid muscle
8
An EKG tech is preparing a patient for a 12-lead EKG. Which of following actions should the tech take?
Use an alcohol pad to cleanse the electrode placement sites
Select the most muscular site for the electrode placement
Apply an oil free moisturizer to adhere the electrodes to the skin
Assist the patient into a Sims position before placing electrodes
9
When placing electrodes on a pt. for telemetry, in which location should a tech place the ground electrodes?
On the right upper arm
On the right lower leg
On the left lower leg
On the left upper arm
10
A patient is experiencing heart palpitations. Which intervention should the tech expect the provider to prescribe?
Vasodilator medication
Holter monitor
Chemical stress test
Cardiac inotropic medication
11
Which of the following waves should an EKG tech use to determine the regularity of the ventricular rate?
T wave
R wave
P wave
U wave
12
Which of the following statements by a patient should the tech enter into the social history section?
I had an appendectomy 1 year ago.
My parents both had heart attacks.
I had chicken pox when I was 10 years old.
I have smoked cigarettes for a long time.
13
After educating a pt. on a home ambulatory monitor. What actions should the patient take if electrodes become loose?
Use an alcohol swab to wipe dirt and oils from the skin
Apply surgical tape to the electrodes to keep them in place
Shave hair from the sites and re-position the electrodes
Apply fresh electrodes from the same manufacturer
14
Which of the following indicates that a patient is showing signs of myocardial ischemia during a stress test?
PR interval of 0.16 seconds
Depressed ST segment
QRS complex of 0.10 seconds
Presence of a U wave
15
An EKG tech hears another staff member making derogatory comments about a patient's appearance. This is an example of?
Slander
Libel
Battery
Assault
16
Which pulse points is most frequently used to check an adult patient's pulse during cardiopulmonary resuscitation (CPR)?
Temporal
Carotid
Popliteal
Radial
17
When performing a posterior EKG, which of the following is the correct location for placement for V8?
Right midscapular line
Left midscapular line
Left posterior axillary line
Right posterior axillary line
18
Which lead is created when a tech places the electrode to the right of a pt.'s sternum at the fourth intercostal space?
Lead MCL2
Lead aVR
Lead I
Lead V1
19
Which of the following actions should an EKG tech perform for a patient immediately before an exercise stress test?
Measure blood pressure and obtain an EKG while the patient is supine
Use soap and water to shave the skin prior to electrode placement
Ensure the patient has taken all prescription medications
Confirm the patient has not had anything to eat or drink for 6hrs before
20
Which of the following is a result of atrial depolarization?
U wave
P wave
QRS complex
T wave
21
Which of the following groups are bipolar leads?
Leads V4, V5 and V6
Leads V1, V2, and V3
Leads I, II, III
Leads aVR, aVL, and aVF
22
Which of the following leads is created between the left arm and left leg?
Lead I
Lead aVF
Lead aVL
Lead III
23
Which of the following findings is consistent with bradycardia?
Cold and clammy skin
Blood pressure of 100/80 mm Hg
Pulse rate of 140/min
Hyperventilation
24
Which of the following findings on the tracing should an EKG tech identify as an unexpected finding?
The ST segment depression
The QT interval
The ST segment elevation
The irregular rhythm
25
Which EKG machine function should an EKG tech use to control and regulate the height of EKG waveforms on the tracing?
Output display
speed
Artifact filter
Gain
26
A patient who has a below the knee amputation of the left leg. Where do you place the right leg electrode?
On the lower right leg
On the lower right foot
On the lower right abdomen
On the lower left leg
27
A patient with a transtelephonic loop memory monitor needs instructions. Which should the tech use?
Contact the tech whenever you feel chest pain
Press the record button when you begin to feel dizzy or have chest pain
Record in your diary/log that describes the activity when pain started
Remove the monitor when connecting to the phone or internet
28
For which of the following patients should an EKG tech expect the provider to prescribe a chemical stress test?
A patient who is 35 and requires interpretation services
A patient who is 60 and has a history of coronary artery disease
A patient who is 55 and has been taking anticoagulants
A patient who is 40 and is unable to walk due to a leg cast
29
An EKG tech is preparing for a 12 -lead EKG. Which three leads should the tech place at the same horizontal line?
Leads V4, V5, and V6
Leads V2, V3, and V4
Leads V1, V2, and V3
Leads V3, V4, and V5
30
Which artery is the best location for a tech to use to measure the heart rate for an adult patient after a stress test?
Radial
Carotid
Femoral
Brachial
