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CET Practice Q's #2 Flashcards | StudBud
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CET Practice Q's #2
CET Practice Q's #2
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1
A patient is taking a stress test. Which of following shows the patient is having an adverse reaction?
Increase in blood pressure from 110/70 to 120/78
Presence of sinus tachycardia with a regular rhythm
Report of tingling sensations in the lower extremities
An oxygen saturation of 95%
2
Into which position should the EKG tech assist a patient to undergo a standard 12-lead EKG?
Sims
Lithotomy
Prone
Supine
3
Which of the following statements should a tech include when preparing a patient for an upcoming exercise stress test?
The procedure should take about 10- 15 minutes
Be sure to eat a ligh meal 6-8 hrs prior to the test
Wear tight clothing to hold electrodes in place
Refrain from caffeine, smoking or alcohol for 3 hrs prior to test
4
A patient is prescribed droplet precautions. Which of the following PPE should the tech apply to the patient?
Gloves
N95 respirator
Simple face mask
Gown
5
Which of the following describes the correct electrode placement for lead V5?
Right of the sternum, fourth intercostal space
Left of the sternum, fourth intercostal space
Anterior axillary line, fifth intercostal space
Midaxillary line, fourth intercostal space
6
An EKG tech should recognize that the Purkinje fiber serve which of the following purposes?
Conduct electrical impulses from the AV node
Initiate electrical impulses in the heart
Carry electrical impulses directly to the ventricular muscle tissue
Transfer electrical impulses from the atria to the Bundle of His
7
When performing a stress test. The test can be stopped when the pt. reaches what percentage of their target heart rate?
85% to 100%
65% to 80%
25% to 40 %
45% to 60%
8
A tech observes an elevated ST segment during a stress test. The tech should identify this as?
signs of acute myocardial injury
Expected EKG changes due to hypokalemia
Expected EKG changes as a result of running
Signs of pulmonary embolism
9
Which monitor can a patient wear for 30 days or longer and can record cardiac events before during and after an episode?
Holter monitor
Post-symptom event monitor
Telemetry monitor
Loop-memory monitor
10
A patient's skin is diaphoretic. Which of the following actions should the tech take?
Apply petroleum gel to the site
Prepare the site with an antiperspirant
Apply ultrasound gel to the site
Cleanse the site with plain water
11
Which of the following is the electrode charge combination for the limb leads for a standard 12- lead EKG?
Right arm positive pole, left arm negative pole, and left leg negative pole
Right arm negative pole, left arm positive pole, and left leg negative pole
Right arm negative pole, left arm positive pole, and left leg positive pole
Right arm positive pole, left arm positive pole, and left leg negative pole
12
A patient loses consciousness. The EKG tracing reveals ventricular fibrillation. Which actions should the EKG tech take?
Administer oxygen
Get the automated external defibrillator
Call for help and begin CPR
Notify the provider of the arrest
13
Obtaining a pulse from a patient, which of the following terms should the tech use to document the rhythm of the pulse?
Irregular
Weak
Bounding
Strong
14
An EKG tech should recognize that which signs are often present when a patient is experiencing ventricular tachycardia?
Narrow QRS complexes on the EKG tracing
Multiple preamture ventricle contractions in a row
Decreased heart rate
Absence of R-R intervals
15
Which of the following actions by the EKG tech demonstrates compliance with HIPAA regulations?
The tech forwards a pt's results to a specialist without authorization
The tech uses a privacy screen to prevent others from viewing the monitor
The tech identifies the patient using two forms of identification
The tech shares the EKG results of an 18 year old with the parents
16
A patient's lifestyle and occupation should be entered in which section of the electronic health record (EHR)?
Past history
Review of symptoms
Chief complaint
Social history
17
An EKG tech should recognize that which of the following is a characteristic of atrial fibrillation?
P-P interval occurs regularly
R-R interval is irregularly irregular
Prolonged QRS duration
Clearly defined T waves
18
To spread out a waveform due to a rapid heart rate what should the tech change the speed to?
5 mm/second
10 mm/second
50 mm/second
25 mm/second
19
Patient has a Holter monitor. Which statement by the pt. indicates home care instructions?
I should record spontaneous symptoms unrelated to activity
I should not replace electrodes that come loose
I should avoid daily activities that might trigger heart abnormalities
I can turn the monitor off to shower
20
An EKG tech should know that a PR interval that spans four small boxes has which of the following durations?
0.12
0.2
0.08
0.16
21
Which of the following is an unexpected finding of impaired conduction through the AV node?
Decreased QT interval
Prolonged QT interval
Prolonged PR interval
Prolonged QRS interval
22
After completing a EKG, which of the following actions should an EKG tech take next?
Tell the pt. that the test is complete and the provider will be in shortly
Check that the tracing is free from artifacts then disconnect the patient
Remove the tracing and provide privacy for the patient to get dressed
Remove the electrodes and assist the patient to a sitting position
23
A think spike before the P wave indicates that a pacemaker has been implanted to pace which of the following?
Early repolarization
Atria
Ventricles
Late repolarization
24
Preparing for a Holter monitor. Which should the tech do to reduce the chance of artifacts on the tracing?
Have the pt wear tight fitting cloths to hold electrodes in place
Instruct the patient to replace any loose electrodes in an adjacent spot
Ensure the patient has not eaten 2 hrs prior to the placement
Use stress loops on the electrodes to reduce tension on the leads
25
While performing a 5 lead EKG a tech notices no reading from lead I and lead II. How should the tech correct the error?
Left leg
Left arm
Right arm
Right leg
26
A patient is on the phone and is wearing a Holter monitor, pt. reports chest pain and SOB. What should the tech do?
Remind the pt to document the incident
Have someone call emergency services remaining on the call with the pt
Place the patient on hold and consult with pt's provider
Tell the pt to hang up and call emergency services
27
Which of following leads should you check if none of the leads are giving a reading?
Left arm
Right arm
Left leg
Right leg
28
A pt. is prepped with a Holter monitor for 48hrs. Which statement indicates the patient understands the instructions?
I am able to shower or bathe
I should only record activities that cause chest pain
I can use moisturizing lotion around the electrodes
I should activate the event marker if I have chest pain
29
During an EKG stress test. Which of the following findings should the tech expect the provider to stop the test?
Sweating
Electrode detachment
Increased respiratory rate
Dizziness
30
Which of the following factors can produce an artifact that appears in uniform, small spikes on an EKG?
Corroded leads
Patient movement
Poor skin preparation
Improper grounding
