Verified Practice Questions and Study Guide
This document provides verified practice questions and study materials for the
2024/2025 Certified EKG Technician (CET) exam, administered by the NHA. It covers
essential exam topics such as cardiac anatomy and physiology, proper lead placement,
rhythm interpretation, patient preparation, EKG equipment usage, and safety
procedures. All content is based on current NHA exam standards and is designed to
ensure readiness for certification.
1. Which of the following lead groups represent Einthoven's Triangle?: Leads
I, II, and III
2. 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
3. Which of the following methods for calculating a patients heart rate from
the EKG is correct ?: Divide 1,500 by the number of small boxes between two
R waves
4. Which of the following arteries is the preferred site for measuring heart rate
in an adult patient after a stress test ?: Radial
5. Which of the following rhythms is characterized by upright P waves, narrow
QRS complexes, and a ventricular rate between 60 and 100/min ?: Sinus rhythm
6. A technician is preparing a patient for a 12-lead EKG. Which of the following
is the correct placement for lead V4 ?: The 5th intercostal space at the
midclavicular line
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, 7. What lead is created by the placement of the electrode located to the right
of the patient's sternum at the 4th intercostal space ?: V1
8. While performing a treadmill stress test on a patient, the CET observes
peaked, hyperacute, and broad-based T waves and convex ST segments.
The CET should identify these findings as ?: Signs of myocardial ischemia
9. Which of the following EKG changes is associated with myocardial injury
?: ST segment elevation
10. While performing a stress test, the patient complains of heaviness on his
chest and becomes diaphoretic. These are signs and symptoms of which
of the folloing conditions ?: Myocardial Infarction
11. The QRS complex is too tall to fit on the EKG paper. Which of the
following actions should be taken by the EKG technician ?: Change the gain
control to 1/2
12. Which of the following modifications may be made to lead placement when
recording a standard 12-lead EKG on a 2 year old patient ?: Move the limb leads
to the torso
13. An EKG technician has just provided patient education prior to a stress
test. Which of the following statements made by the patient indicates an
understanding of the preparation ?: " I may smoke the night before the exam."
14. 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
15. A patient is experiencing a change of respiratory cycle and variations in
vagal tone. Which of the following irregularities does this indicate ?: Sinus
arrhythmia
16. A technician is performing an EKG in a hospital setting. The patient
becomes unresponsive, stops breathing, and does not have a pulse. Which
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