NHA EKG (CET) EXAM PREPARATION FOR 2025/2026
COMPLETE 300 QUESTIONS AND CORRECT ANSWERS |ALREADY
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A patient has been ordered to wear a Holter monitor for 24 hours. Which of the
following statements made from the patient would indicate understanding of
home-care instructions?
"I should record spontaneous symptoms unrelated to an activity."
Which of the following is cause for discontinuing a stress test?
ST segment elevation
Which of the following actions should an EKG technician perform on EKG cables to
prevent the transmission of microorganisms?
Wipe with disinfectant
When performing an EKG, a technician notices that none of the leads are giving a
reading. Which limb should the technician check first to correct the problem?
Right leg
When performing an EKG on an infant, where should the technician place the
electrode for lead V3R?
Between V2 and V4 on the right side of the chest.
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, NHA EKG (CET) Exam Preparation
For a normal patient, which of the following describes the pattern of the
anticipated QRS complex in V4?
Half positive, half negative
Which of the following is a reason that a patient should wear loose-fitting clothing
while wearing a Holter monitor?
To reduce artifact
A CET has performed an EKG on a patient. Which of the following actions by the
CET would protect the patient's health information in accordance with HIPAA?
Hand-delivering the EKG to the patient's physician
Which of the following symptoms is most likely to be consistent with bradycardia?
Cold and clammy hands
Which of the following conditions is characterized by ST segment depression and T
wave inversion?
Myocardial infarction
An EKG technician eliminates and EKG tracing's artifact by plugging in the machine
into a different wall outlet. This means that the artifact was caused by which of
the following?
60-cycle interference
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, NHA EKG (CET) Exam Preparation
Which of the following should be used to demonstrate the regularity of
ventricular depolarization?
R-R
A patient has difficulty understanding why she needs an ambulatory monitor after
having an EKG two days prior. Which of the following is an appropriate explanation
by the EKG technician?
"Your doctor wants to study your heart over a longer period of time."
Where should the EKG technician plate the electrodes for leads V7, V8, and V9?
Evenly spaced on the back between the axillary line and the vertebral column at
the 5th intercostal space.
A thin spike before the P wave indicates that the pacemaker has been implanted
to pace which of the following?
Atria
The physician has ordered a patient to wear a telemetry monitor at home. Which
of the following statements from the patient indicates the need for further
instructions?
"If the leads come loose, I will reattach them."
An EKG technician notices the waveforms on an EKG are very close and the patient
has an unusually rapid heart rate. In order to spread out the tracing, the
technician should change the paper speed to which of the following?
50 mm/sec
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, NHA EKG (CET) Exam Preparation
Which of the following heart blocks is the most serious?
Third-degree AV block
A patient loses consciousness. The EKG tracing reveals ventricular fibrillation.
Which of the following should the EKG technician do first?
Call for help and begin CPR
Which of the following lead groups represents Einthoven's triangle?
Leads I, II, and III
While performing a treadmill stress test on a patient, the CET observes peaked,
hyper acute, and broad-based T waves and convex ST segments. The CET should
identify those findings as?
Signs of myocardial ischemia
Which of the following leads look at the interventricular septum?
V1 and V2
A CET observes varying R-R invervals on a 2-year-old patient's EKG. Which of the
following statements made by the CET would be correct?
"The irregularity is normal and is a result of respiration."
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