NHA EKG (CET) study guide (2026) || Most Recent Exam
2026-2027 Actual Complete Real Exam Questions And
Correct Answers (Verified Answers) Already Graded A+
| Guaranteed Success!! Newest Exam | Just Released!!
Where should the right leg electrode be placed when the patient
has below-the-
knee amputation of the left leg? - ANSWER -on the lower
right abdomen
If you have problems obtaining an accurate respiratory rate for
a patient, what action should be taken? - ANSWER -Place a
hand on the middle of the patient's back to count the
respirations
Why shouldn't resting tab electrodes be used for more than 2
consecutive EKG
tracings? - ANSWER -The electrodes will not conduct
accurately after two EKG
tracings
What type of heart block should the technician observe the
patient for signs and
symptoms of decreased cardiac output that could lead to
cardiac arrest? -
,ANSWER -Third-degree AV
block
Which speed control should the EKG machine be set to for
a patient with a
heart rate 150/min? - ANSWER -
50mm/second
What is a cause for discontinuing a stress test? - ANSWER
-ST segment
elevation
The electrical activity of septal wall is recorded by what
leads? - ANSWER -
Leads V1 and
V2
What is a common manifestation of symptom of
myocardial infarction? -
ANSWER –
Cyanosis
What actions should you take after noticing an accelerated
idioventricular
rhythm on the tracing? - ANSWER -Call for help and
stay with patient
An EKG technician is instructing a patient about the use of a
transtelephonic monitor with loop memory. What instructions
,should the technician include? - ANSWER -"Press the record
button on the device when you begin to feel dizzy or have chest
pain."
What is the maximum number of tracing that an EKG technician
can obtain on the same patient using a single set of disposable
electrodes? - ANSWER -Two
What action should an EKG technician take when a patient who
is unable to read is scheduled for a stress test and must sign
an informed consent form? - ANSWER -Verify the patient's
understanding of the procedure
What can cause sinus arrhythmia? - ANSWER -The patient's
respirations
An EKG technician eliminates an artifact on a 3-lead EKG
tracing by plugging the machine into a different wall out. What
caused the artifact? - ANSWER -AC interference
An EKG technician notices that waveform on an EKG are very
close together
and the patient has unusually rapid heart rate. The tech. should
change the paper speed to________ - ANSWER -50 mm/second
(A faster paper speed spreads on the waveforms and makes the
tracing easier to read)
What PPE should be apply to a patient with droplet
precautions? - ANSWER -
, Simple face
masks
The purkinje fibers serve what purpose? - ANSWER -Carry
electrical impulse
directly to ventricular
muscle tissue
What should an EKG technician do before storing EKG cables
to prevent the
transmission of microorganisms? - ANSWER -Wipe the cables
with disinfectant
What rhythm is characterized by upright P waves, narrow QRS
complexes, and
a ventricular rater between 60-100/min? - ANSWER -
Sinus rhythm
What is the order in which the EKG technician should document
a patient's vital
signs? - ANSWER -Temperature, pulse, respirations, and
blood pressure
What is used to ensure the EKG machine is working
properly? - ANSWER -
Calibration
2026-2027 Actual Complete Real Exam Questions And
Correct Answers (Verified Answers) Already Graded A+
| Guaranteed Success!! Newest Exam | Just Released!!
Where should the right leg electrode be placed when the patient
has below-the-
knee amputation of the left leg? - ANSWER -on the lower
right abdomen
If you have problems obtaining an accurate respiratory rate for
a patient, what action should be taken? - ANSWER -Place a
hand on the middle of the patient's back to count the
respirations
Why shouldn't resting tab electrodes be used for more than 2
consecutive EKG
tracings? - ANSWER -The electrodes will not conduct
accurately after two EKG
tracings
What type of heart block should the technician observe the
patient for signs and
symptoms of decreased cardiac output that could lead to
cardiac arrest? -
,ANSWER -Third-degree AV
block
Which speed control should the EKG machine be set to for
a patient with a
heart rate 150/min? - ANSWER -
50mm/second
What is a cause for discontinuing a stress test? - ANSWER
-ST segment
elevation
The electrical activity of septal wall is recorded by what
leads? - ANSWER -
Leads V1 and
V2
What is a common manifestation of symptom of
myocardial infarction? -
ANSWER –
Cyanosis
What actions should you take after noticing an accelerated
idioventricular
rhythm on the tracing? - ANSWER -Call for help and
stay with patient
An EKG technician is instructing a patient about the use of a
transtelephonic monitor with loop memory. What instructions
,should the technician include? - ANSWER -"Press the record
button on the device when you begin to feel dizzy or have chest
pain."
What is the maximum number of tracing that an EKG technician
can obtain on the same patient using a single set of disposable
electrodes? - ANSWER -Two
What action should an EKG technician take when a patient who
is unable to read is scheduled for a stress test and must sign
an informed consent form? - ANSWER -Verify the patient's
understanding of the procedure
What can cause sinus arrhythmia? - ANSWER -The patient's
respirations
An EKG technician eliminates an artifact on a 3-lead EKG
tracing by plugging the machine into a different wall out. What
caused the artifact? - ANSWER -AC interference
An EKG technician notices that waveform on an EKG are very
close together
and the patient has unusually rapid heart rate. The tech. should
change the paper speed to________ - ANSWER -50 mm/second
(A faster paper speed spreads on the waveforms and makes the
tracing easier to read)
What PPE should be apply to a patient with droplet
precautions? - ANSWER -
, Simple face
masks
The purkinje fibers serve what purpose? - ANSWER -Carry
electrical impulse
directly to ventricular
muscle tissue
What should an EKG technician do before storing EKG cables
to prevent the
transmission of microorganisms? - ANSWER -Wipe the cables
with disinfectant
What rhythm is characterized by upright P waves, narrow QRS
complexes, and
a ventricular rater between 60-100/min? - ANSWER -
Sinus rhythm
What is the order in which the EKG technician should document
a patient's vital
signs? - ANSWER -Temperature, pulse, respirations, and
blood pressure
What is used to ensure the EKG machine is working
properly? - ANSWER -
Calibration
