HOSA EKG EXAM 4 ACTUAL EXAM SCRIPT
2026 COMPLETE QUESTIONS AND
SOLUTIONS GRADED A+
◉ 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?
Answer: "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?
Answer: 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?
Answer: Start chest compressions
◉ See word
Answer: 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?
Answer: 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?
Answer: 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?
Answer: Verify proper lead placement
◉ Which of the following is the correct sensitivity setting to create
an EKG standardization mark of 5 min?
Answer: 1/2
◉ Which of the following activities should an EKG technician tell a
patient to record in is Holter monitor diary?
Answer: 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?
Answer: "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?
Answer: 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?
Answer: Check the patient's respiratory rate.
◉ Which of the following sensitivity settings would produce a
calibration box that measures 10mm tall?
Answer: 1
◉ Which of the following methods for calculating a patient's heart
rate from the EKG is correct?
Answer: 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?
Answer: 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?
Answer: Notify the physician
◉ Which of the following describes the correct electrode placement
for lead V5?
Answer: 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?
Answer: 60/min
◉ Where should the EKG technician place the electrode for lead V5?
Answer: On the left anterior axillary line, horizontal to V4
◉ Which of the following waves should an EKG technician measure
to evaluate for atrial enlargement?
Answer: P wave
2026 COMPLETE QUESTIONS AND
SOLUTIONS GRADED A+
◉ 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?
Answer: "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?
Answer: 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?
Answer: Start chest compressions
◉ See word
Answer: 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?
Answer: 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?
Answer: 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?
Answer: Verify proper lead placement
◉ Which of the following is the correct sensitivity setting to create
an EKG standardization mark of 5 min?
Answer: 1/2
◉ Which of the following activities should an EKG technician tell a
patient to record in is Holter monitor diary?
Answer: 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?
Answer: "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?
Answer: 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?
Answer: Check the patient's respiratory rate.
◉ Which of the following sensitivity settings would produce a
calibration box that measures 10mm tall?
Answer: 1
◉ Which of the following methods for calculating a patient's heart
rate from the EKG is correct?
Answer: 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?
Answer: 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?
Answer: Notify the physician
◉ Which of the following describes the correct electrode placement
for lead V5?
Answer: 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?
Answer: 60/min
◉ Where should the EKG technician place the electrode for lead V5?
Answer: On the left anterior axillary line, horizontal to V4
◉ Which of the following waves should an EKG technician measure
to evaluate for atrial enlargement?
Answer: P wave
