NHA CET EXAM PREP FINAL STUDY GUIDE
2026 SOLVED QUESTIONS FULLY CORRECT
⫸ Which leads record activity of the inferior wall of the left ventricle?
Answer: Leads III and AVF
⫸ What rhythm is characterized by absent P waves, wide QRS
complexes, and a ventricular rate between 20-40/mins? Answer:
Idioventricular rhythm
⫸ What leads record electrical activity of the lateral wall of the left
ventricle? Answer: Leads I, V6, AVL, and V5
⫸ In which locations should the EKG technician place the electrodes for
a 3-lead ambulatory monitor? Answer: on the right shoulder, the left
shoulder, and the left abdomen
⫸ An EKG technician is performing a stress test for a patient. What
changes indicate that the patient is beginning to show signs of
myocardial ischemia? Answer: Depressed ST segment
⫸ What leads are bipolar? Answer: Leads I, II, and III
⫸ What is the expected reference range for respiratory rate of a
newborn patient? Answer: 30-49/min
,⫸ An EKG technician is providing instructions for a patient who is
scheduled for an exercise stress test. What instructions should technician
include? Answer: "You should avoid wearing shoes with high heels for
this test."
⫸ An EKG technician is preparing a patient for an exercise stress test.
What statement should the technician make before this test? Answer:
"This procedure requires informed consent."
⫸ What is the final step when applying a Holter monitor? Answer:
Document the procedure in the patient's health record
⫸ An EKG technician prior to an exercise stress test. What statement by
the patient indicates an understanding of the preparation? Answer: "I can
smoke the night before the exam."
⫸ A patient has a prescription to wear a Holter monitor for 24 hrs. What
statement made by the patient indicates an understanding of home care
instructions? Answer: "I should record spontaneous symptoms unrelated
to an activity."
⫸ After turning on the AED and attaching the AED to the patient, what
should be done next? Answer: Stand clear from the patient and allow the
AED to analyze
,⫸ In a healthy adult patient, what is the expected shape and direction of
the P wave in lead II? Answer: rounded and upright
⫸ What statement should an EKG technician include when preparing a
patient for an upcoming exercise stress test? Answer: "Refrain from
caffeine, smoking, or alcohol for at least 3 hours prior to the test."
⫸ What lead is created between the left arm and left leg? Answer: Lead
III
⫸ What speed setting should the technician use for a standard 12-lead
EKG for a patient experiencing an accelerated junctional rhythm?
Answer: 25mm/second
(a patient experiencing accelerated junctional rhythm has a heart rate of
60-100 min)
⫸ An EKG technician is called to the emergency department to perform
a standard 12-Lead EKG on a patient. When the technician arrives, the
patient is attached to a 5-lead monitor. What action should the technician
take? Answer: Remove the electrodes for the 5-lead monitor before
attaching the electrodes for the 12-lead EKG
⫸ The sinus arrest is considered a medical emergency when the arrest
reaches what duration? Answer: 6 seconds
⫸ What is the best method for an EKG technician to use when
removing hair from electrode placement? Answer: Clippers
, ⫸ What electrode is placed to the right of the patients sternum at the
fourth intercostal space? Answer: Lead V1
⫸ What three leads are placed at the same horizontal level? Answer:
Leads V4, V5, and V6
⫸ An interrupted baseline is most likely cased by______ Answer: Lead
corrosion
⫸ How should electrodes be explained to a pediatric patient? Answer:
Stickers
⫸ How should a patient be prepared for a scheduled 12- lead EKG?
Answer: Use an alcohol pad to cleanse the electrode placement sites
⫸ Why should a patient wear loose-fitting clothes while waring a Holter
monitor? Answer: To reduce artifacts on the tracing
⫸ What action should be taken when performing an EKG for a patient
that doesn't speak the same language as the technician? Answer: Having
a bilingual staff member translate
⫸ What wave represents atrial depolarization? Answer: P wave
2026 SOLVED QUESTIONS FULLY CORRECT
⫸ Which leads record activity of the inferior wall of the left ventricle?
Answer: Leads III and AVF
⫸ What rhythm is characterized by absent P waves, wide QRS
complexes, and a ventricular rate between 20-40/mins? Answer:
Idioventricular rhythm
⫸ What leads record electrical activity of the lateral wall of the left
ventricle? Answer: Leads I, V6, AVL, and V5
⫸ In which locations should the EKG technician place the electrodes for
a 3-lead ambulatory monitor? Answer: on the right shoulder, the left
shoulder, and the left abdomen
⫸ An EKG technician is performing a stress test for a patient. What
changes indicate that the patient is beginning to show signs of
myocardial ischemia? Answer: Depressed ST segment
⫸ What leads are bipolar? Answer: Leads I, II, and III
⫸ What is the expected reference range for respiratory rate of a
newborn patient? Answer: 30-49/min
,⫸ An EKG technician is providing instructions for a patient who is
scheduled for an exercise stress test. What instructions should technician
include? Answer: "You should avoid wearing shoes with high heels for
this test."
⫸ An EKG technician is preparing a patient for an exercise stress test.
What statement should the technician make before this test? Answer:
"This procedure requires informed consent."
⫸ What is the final step when applying a Holter monitor? Answer:
Document the procedure in the patient's health record
⫸ An EKG technician prior to an exercise stress test. What statement by
the patient indicates an understanding of the preparation? Answer: "I can
smoke the night before the exam."
⫸ A patient has a prescription to wear a Holter monitor for 24 hrs. What
statement made by the patient indicates an understanding of home care
instructions? Answer: "I should record spontaneous symptoms unrelated
to an activity."
⫸ After turning on the AED and attaching the AED to the patient, what
should be done next? Answer: Stand clear from the patient and allow the
AED to analyze
,⫸ In a healthy adult patient, what is the expected shape and direction of
the P wave in lead II? Answer: rounded and upright
⫸ What statement should an EKG technician include when preparing a
patient for an upcoming exercise stress test? Answer: "Refrain from
caffeine, smoking, or alcohol for at least 3 hours prior to the test."
⫸ What lead is created between the left arm and left leg? Answer: Lead
III
⫸ What speed setting should the technician use for a standard 12-lead
EKG for a patient experiencing an accelerated junctional rhythm?
Answer: 25mm/second
(a patient experiencing accelerated junctional rhythm has a heart rate of
60-100 min)
⫸ An EKG technician is called to the emergency department to perform
a standard 12-Lead EKG on a patient. When the technician arrives, the
patient is attached to a 5-lead monitor. What action should the technician
take? Answer: Remove the electrodes for the 5-lead monitor before
attaching the electrodes for the 12-lead EKG
⫸ The sinus arrest is considered a medical emergency when the arrest
reaches what duration? Answer: 6 seconds
⫸ What is the best method for an EKG technician to use when
removing hair from electrode placement? Answer: Clippers
, ⫸ What electrode is placed to the right of the patients sternum at the
fourth intercostal space? Answer: Lead V1
⫸ What three leads are placed at the same horizontal level? Answer:
Leads V4, V5, and V6
⫸ An interrupted baseline is most likely cased by______ Answer: Lead
corrosion
⫸ How should electrodes be explained to a pediatric patient? Answer:
Stickers
⫸ How should a patient be prepared for a scheduled 12- lead EKG?
Answer: Use an alcohol pad to cleanse the electrode placement sites
⫸ Why should a patient wear loose-fitting clothes while waring a Holter
monitor? Answer: To reduce artifacts on the tracing
⫸ What action should be taken when performing an EKG for a patient
that doesn't speak the same language as the technician? Answer: Having
a bilingual staff member translate
⫸ What wave represents atrial depolarization? Answer: P wave
