PRACTICE EXAM COMPLETE WITH
100% CORRECT ANSWERS
\.Which of the following leads look at the interventricular septum? - ANSWERS✔-
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? - ANSWERS✔-"The
irregularity is normal and is a result of respiration."
\.A patient is experiencing a change of respiratory cycle and variations in vagal
tone. Which of the following irregularities does this indicate? - ANSWERS✔-Sinus
arrhythmia
\.A technician is performing an EKG in a hospital setting. The patient becomes
unresponsive, stops breathing, and does not have a pulse. Which of the following
would be the first appropriate step? - ANSWERS✔-Start chest compressions
\.See word - ANSWERS✔-See word
,\.A patient presents alert and oriented, but an EKG technician finds that all the
waveforms are negative in Lead 1. The technician should check the cable
connections for which of the following limb electrodes? - ANSWERS✔-Right arm
and left arm
\.An EKG technician detects a U wave, and the patient reports chest pain and
discomfort. Which of the following is an appropriate action for the technician to
take? - ANSWERS✔-Notify the patient's physician
\.An EKG is showing a rhythm that the EKG technician is not familiar with. Which
of the following should be the technician's next step? - ANSWERS✔-Verify proper
lead placement
\.Which of the following is the correct sensitivity setting to create an EKG
standardization mark of 5 min? - ANSWERS✔-1/2
\.Which of the following activities should an EKG technician tell a patient to record
in is Holter monitor diary? - ANSWERS✔-Running
\.The EKG technician is educating a patient on when she should push the event
button while wearing a Holter monitor. Which of the following statements
indicates the patient understanding? - ANSWERS✔-"I will push the event button if
I'm experiencing discomfort."
\.Which of the following is the only calculating method available for both regular
and irregular rhythms? - ANSWERS✔-Six-second method
,\.During a stress test, an EKG technician notices the patient appears to be
hyperventilating. Which of the following is an appropriate course of action for the
technician? - ANSWERS✔-Check the patient's respiratory rate.
\.Which of the following sensitivity settings would produce a calibration box that
measures 10mm tall? - ANSWERS✔-1
\.Which of the following methods for calculating a patient's heart rate from the
EKG is correct? - ANSWERS✔-Divide 1,500 by the number of boxes between two R
waves.
\.What is the correct order of a complete cardiac cycle in the normal heart? -
ANSWERS✔-P wave, QRS complex, and T wave
\.While performing a stress test, the patient complains of dizziness. After stopping
the test, which of the following actions should the CET take? - ANSWERS✔-Notify
the physician
\.Which of the following describes the correct electrode placement for lead V5? -
ANSWERS✔-Anterior axillary line, 5th intercostal space
\.The R-R interval on a patient's tracing has five large boxes. Which of the
following is the patient's heart rate? - ANSWERS✔-60/min
, \.Where should the EKG technician place the electrode for lead V5? - ANSWERS✔-
On the left anterior axillary line, horizontal to V4
\.Which of the following waves should an EKG technician measure to evaluate for
atrial enlargement? - ANSWERS✔-P wave
\.Which of the following leads are bipolar leads? - ANSWERS✔-I, II, and III
\.An EKG technician is working with a patient who has a below the knee
amputation of the left leg. Where should the technician place the right leg
electrode? - ANSWERS✔-On the lower right thigh
\.When performing a posterior EKG, which of the following is the correct location
for placement of lead V8? - ANSWERS✔-Left mid scapular line
\.Which of the following signs should the EKG technician be concerned about in a
patient undergoing stress testing? - ANSWERS✔-Decreased hear rate
\.Which of the following statements made by the EKG technician correctly
prepares the patient for telemetry monitoring? - ANSWERS✔-"You may clean the
area with an alcohol pad."
\.A technician is preparing a patient for a 12-lead EKG. Which of the following is
the correct placement for lead V4? - ANSWERS✔-The 5th intercostal space at the
midclavicular line