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NHA EKG certification test 2022/2023 Flashcards | StudBud
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NHA EKG certification test 2022/2023
NHA EKG certification test 2022/2023
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Answers
1
How does a tech ensure the EKG machine is working properly
Reset the machine
Unplug and plug back in
Smack it to get a better reading
Calibration
2
A tech releases info about a pt diagnoses to the pt employer. What pt right was violated
Right to fair treatment
Right to take a nap
Patient confidentiality
Patient right to privacy
3
With a holter monitor placement, what can the tech do to reduce chances of artifacts on the tracing
Watch Friends
Use stress loops on the elec to reduce tension on the leads
Document the procedure
Tell pt to wear loose fitting clothing
4
Which of the following actions should an EKG tech perform on EKG cables to prevent the transmission of microorganisms
Clean with acetone
Sterilize
Wash with soap and water
Wipe with disinfectant
5
What artery is the preferred site for measuring hr in an adult pt after a stress test
Radial
Dorsalis pedis
Carotid
Brachial
6
In a normal pt, what shape and direction is the P wave in lead II
Round and upright
Flat line
Peaked and upright
Sharp and inverted
7
What is the expected respiratory rate for a newborn pt
20-30/min
30-49/min
60-100/min
120-150/min
8
What is the only calculating method available for both regular and irregular rhythms
12 second method
3 second method
6 second method
25 second method
9
What is the correct method for calculating a pt hr from an EKG tracing
Divide 300 by the number of small boxes between two R waves
Divide 1500 by the number of small boxes between two R waves
Divide 1500 by the number of large boxes between two R waves
Divide 1500 by the number of small boxes between two P waves
10
Pt has difficulty understanding why she needs ambul Mon after having an ekg two days prior. What does the tech say
It’s no big deal
We need a better look at your heart
Your dr wants to study your heart over a longer period of time
Your dr says you have to do it so you have to
11
What is the hr of an adult (older than 15)
70-90 bpm
100-120 bpm
40-60 bpm
60-100 bpm
12
What lead groups represent Einthoven’s Triangle
I, V3, V6
LL, LA, V1
V1, V2, V3
Leads I, II, III
13
EKG tech notes the QRS complex too tall to fit on the paper. What action should the tech take.
Change the gain control to 5 mm/mv
Change the speed to 50 mm
Stop the EKG test
Change the gain control to 1/2
14
After completing an EKG on a pt. which of the following should the tech perform next
Help the pt sit up and dress
Unhook the leads from the pt
Before disconnecting, check the tracing is free from artifacts
50:100
15
An EKG has a 2 mm ST elev in leads I, AVL, V5, and V6. What type of infarction would that represent
Ventricular Depolarization
Myocardial Infarction
Myocardial Injury
Lateral Infarction
16
What sensitivity setting would produce a calibration box that measures 10mm tall
50
10
25
1
17
For a normal pt, what describes the pattern of the anticipated QRS complex in V4
All negative
All positive
Half positive, half negative
Atrial depolarization
18
How many monitor leads are placed on a pt for a holter monitor
8
5
12
10
19
EKG tech should recognize that a rhythm strip should be at least how many seconds long to identify rate and rhythm
30 seconds
15 seconds
3 seconds
6 seconds
20
Waveforms are very close together and pt has an unusually rapid hr. Tech needs to change the paper speed to what
25 mm
10 mm
5 mm
50 mm
21
What situation is it acceptable for a CET to share a pt protected health info
An inquiry from the quality assurance office
The pt employer calls
Another dr that isn’t on the case wants info on the pt
The pt nephew asks for info
22
During a stress test an EKG tech notices the pt to be hyperventilation, what is the appropriate course of action
Check pt heart rate
Check lead placement
Check for artifacts
Check the pt resp. rate
23
What is the correct location for lead V7 when performing a posterior EKG
5th intercostal space
Right posterior axillary line
4th intercostal space
Left posterior axillary line
24
Tech is measuring intervals on a tracing. What is an anticipated finding of impaired conduction through the AV node
Prolonged PR intervals
Increased heart rate
Ventricular depolarization
Ventricular repolarization
25
What could cause a wandering baseline artifact on an EKG tracing
Cell phones
Loose electrodes
Missing electrodes
Wrong lead placement
26
What is the site for measuring the HR for a 5 year old pt
Brachial
Radial
Femoral
Carotid
27
Electrical interference on an EKG would most likely be a result of what
A frayed wire
Cell phone use
Loose electrodes
Tight fitting clothing
28
What symptoms would be cause for an EKG tech to stop a stress test
Increased respiration
Dizziness
Increased heart rate
Sweating
29
An EKG tech detects a U wave and the or reports chest pain and discomfort. What action should the tech take
Check for artifacts
Call your mom
Go to lunch
Notify the patients provider
30
A thin spike before the P wave indicates that the pacemaker has been implanted to pace what
Brachial Pulse
SA node
Ventricles
Atria
31
EKG tech observes ST segment depression and T wave inversion in multiple leaders on a pt. What should the tech suspect
Myocardial Ischemia
Ventricular depolarization
Myocardial Infarction
Diaphoresis
32
What intervals should be used to determine the regularity of ventricular depolarization
R-R wave interval
P-R interval
QRS segment
33
Pt follows tech to room, voluntarily undresses and lies on the exam table. What form of consent is this
Implied
Informed
Verbal
Express
34
What activities should an EKG tech tell a pt to record in their holter monitor diary
Showering
Shopping
Sleeping
Running
35
How does a tech obtain an accurate resp rate when having trouble visualizing the pt chest movements & cant obtain vitals
Ask the pt to take a few deep breaths
Place a hand on the middle of the pt back to count the respirations
Listen with stethoscope
Place a hand in the middle of the pt chest
36
What findings on a pt medical history would prevent the pt from an exercise stress test
Having chicken for lunch
Myocardial Infarction
Ventricular depolarization
Congested heart failure
37
What site do you measure hr on a 28 yr old pt
Axillary
Carotid pulse
Dorsalis pedis
Radial pulse
38
Communication with members of the health care team can be accomplished through which of the following methods
Social media
Text message
Email
Electronic health record and verbal exchange
39
What waves should an EKG tech measure to evaluate for atrial depolarization
T wave
P-R interval
P wave
QRS segment
40
What condition is characterized by ST segment depression and T wave inversion
Myocardial Ischemia
Myocardial infarction
Triple bypass
CABG
41
What is the lead between the LA and LL
Lead II
Lead III
Lead I
V1
42
What limb should the tech check first if none of the leads are giving a reading
Left leg
Right leg
Left arm
Right arm
43
Tech prepares a pt for holter mon. Pt tells tech she runs 5 miles a day. What response should the tech make
It’s ok to shower when you’re done
Don’t exercise while wearing the monitor
Continue exercise as usual while wearing the monitor
Pay attention in class
44
For a 5 lead electrode placement for ambul monitoring where should the the EKG tech place the green ground wire
On the rib on the lower right side
On the right leg
On the left leg
On the lower left abdomen
45
What is the expected hr for a 3-5 yr old
80-120 bpm
40-60 bpm
70-90 bpm
60-100 bpm
46
What electrodes are used to create leads I, II, and aVR
Right leg
Left leg
Left arm
Right arm
47
12 lead EKG on a pt with below knee amputation left leg. Where should the lead placement go
On the left thigh
Lower extremity lead on the left groin
On the right lower abdomen
Lower extremity lead on the right groin
48
An EKG tech is performing a posterior 12-lead for a pt. What lead is placed along the paraspinous border
V4R
III
III
V9
49
On a 12 lead EKG the tech should recognize that electrical activity of the septal wall is recorded by which leads
V6 and V4
I, II, III
AVR and AVL
Leads V1 and V2
50
Tech provides patient education prior to an exercise stress test. What statement made by the pt indicates understanding
I will replace the leads if they become detached
I may shower w/ the leads attached
I make smoke the night before my exam
I will record my activity in my journal once a day
51
What lead is created by the placement of the electrode located to the right of the sternum in the 4th intercostal space
V6
III
V1
V2
52
How does an EKG tech fix resolve a wandering baseline on a pt EKG tracing
Relieve tension from the wires
Shave any hair that is in the way of electrode placement
Go to sleep
Tell the pt to wear loose fitting clothes
53
What lead groups are bipolar leads
V1, V2, V3
LL, LA, V6
Leads I, II, III
I, II, aVL
54
While performing an exercise stress test, tech observes elevated ST segment. How should the tech identify these findings
T wave depression
Signs of acute myocardial injury
Myocardial ischemia
Heart attack
55
Tech notices an accelerated idioventricular rhythm on a tracing. What action should the tech take.
Begin CPR
Notify the pt provider
Take lunch
Call for help and stay with the patient
56
What statement made by a new tech regarding artifact demonstrates a knowledge deficit
I don’t know
Cell phones can’t be a cause of electrical interference on an EKG
It’s ok for a pt to make a TikTok while getting an EKG
You can jog with a Holter Monitor as long as you record it
57
What heart block is the most serious
First degree
2nd degree type 1
2nd degree type 2
Third degree AV block
58
Which lead is most sensitive & specific to right ventricle ischemia
AVL
II
V4R
III
59
During a stress test, a tech can expect the provider to stop the test if they find what
Increased heart rate
Vomiting
Dizziness
Increased respiration
60
What is the final step in applying the holter monitor placement
Leave the room so the pt can dress
Help the pt to a sitting position
Tell the pt the provider will be in to read results
Document the procedure for pt health record
61
What leads look at the intraventricular septum
I, II, III
V6 and V7
V1 and V2
LL and RL
62
What is the correct section to measure the QRS complex
Beginning of the Q wave to the end of the S wave
Beginning of the Q wave to the end of the T wave
Beginning of the P wave to the beginning of the QRS segment
End of the P wave to the beginning of the T wave
63
What position should an EKG tech assist a pt into that’s undergoing an 12 lead EKG
High Fowlers
Lithotomy
Supine
Trendelenburg
64
If there is a below the knee amputation of the left leg, where do you put the rt leg electrode
Lower left thigh
Right shoulder
Lower right abdomen
Lower right thigh
65
Tech is preparing the pt for exercise stress test. Which leads should be placed on the right lower side anterior torso
Lead LR
V9
AVL
Lead RL
66
What waves would an EKG tech measure to evaluate for atrial enlargement
P wave
T wave
QRS complex
ST segment
67
What rhythm is characterized by by upright P waves, narrow QRS complexes, and a ventricular rate between 60 and 100/mm
Bradycardia
Ventricular tachycardia
Sinus Rhythm
Second degree type 1 heart block
