NHA EKG (CET) study guide (2026) comprehensivequestions and
verified answers (detailed & elaborated) ACTUAL EXAM 2026-
2027 TEST!!
In a healthy adult patient, what is the expected shape and direction of the P wave
in lead II?
rounded and upright
What statement should an EKG technician include when preparing a patient for
an upcoming exercise stress test?
"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?
Lead III
,What speed setting should the technician use for a standard 12-lead EKG for a
patient experiencing an accelerated junctional rhythm?
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?
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?
6 seconds
What is the best method for an EKG technician to use when removing hair
from electrode placement?
Clippers
What electrode is placed to the right of the patients sternum at the fourth
intercostal space?
Lead V1
,What three leads are placed at the same horizontal level?
Leads V4, V5, and V6
An interrupted baseline is most likely cased by______
Lead corrosion
How should electrodes be explained to a pediatric patient?
Stickers
How should a patient be prepared for a scheduled 12- lead EKG?
Use an alcohol pad to cleanse the electrode placement sites
Why should a patient wear loose-fitting clothes while waring a Holter monitor?
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?
Having a bilingual staff member translate
What wave represents atrial
depolarization? P wave
What wave represents ventricular
repolarization? T wave
What complex is the result of ventricular depolarization?
QRS complex
Where is the lead MCL2 located?
fourth intercoastal space to the left of the patient's sternum
verified answers (detailed & elaborated) ACTUAL EXAM 2026-
2027 TEST!!
In a healthy adult patient, what is the expected shape and direction of the P wave
in lead II?
rounded and upright
What statement should an EKG technician include when preparing a patient for
an upcoming exercise stress test?
"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?
Lead III
,What speed setting should the technician use for a standard 12-lead EKG for a
patient experiencing an accelerated junctional rhythm?
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?
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?
6 seconds
What is the best method for an EKG technician to use when removing hair
from electrode placement?
Clippers
What electrode is placed to the right of the patients sternum at the fourth
intercostal space?
Lead V1
,What three leads are placed at the same horizontal level?
Leads V4, V5, and V6
An interrupted baseline is most likely cased by______
Lead corrosion
How should electrodes be explained to a pediatric patient?
Stickers
How should a patient be prepared for a scheduled 12- lead EKG?
Use an alcohol pad to cleanse the electrode placement sites
Why should a patient wear loose-fitting clothes while waring a Holter monitor?
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?
Having a bilingual staff member translate
What wave represents atrial
depolarization? P wave
What wave represents ventricular
repolarization? T wave
What complex is the result of ventricular depolarization?
QRS complex
Where is the lead MCL2 located?
fourth intercoastal space to the left of the patient's sternum
