NHA EKG (CET) EXAM QUESTIONS
WITH VERIFIED ANSWERS
What action should the technician instruct the patient to take if any electrodes
become loose during at-home use of an ambulatory monitor? - ANSWERS✔-Apply
surgical tape to the electrodes to keep them in place
Which leads record activity of the inferior wall of the left ventricle? - ANSWERS✔-
Leads III and AVF
What rhythm is characterized by absent P waves, wide QRS complexes, and a
ventricular rate between 20-40/mins? - ANSWERS✔-Idioventricular rhythm
What leads record electrical activity of the lateral wall of the left ventricle? -
ANSWERS✔-Leads I, AVL, V5, and V6
In which locations should the EKG technician place the electrodes for a 3-lead
ambulatory monitor? - ANSWERS✔-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? - ANSWERS✔-
Depressed ST segment
,What leads are bipolar? - ANSWERS✔-Leads I, II, and III
What is the expected reference range for respiratory rate of a newborn patient? -
ANSWERS✔-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? - ANSWERS✔-
"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? - ANSWERS✔-"This
procedure requires informed consent."
What is the final step when applying a Holter monitor? - ANSWERS✔-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? - ANSWERS✔-"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? -
ANSWERS✔-"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? - ANSWERS✔-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? - ANSWERS✔-rounded and upright
What statement should an EKG technician include when preparing a patient for an
upcoming exercise stress test? - ANSWERS✔-"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? - ANSWERS✔-Lead III
What speed setting should the technician use for a standard 12-lead EKG for a
patient experiencing an accelerated junctional rhythm? - ANSWERS✔-
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? - ANSWERS✔-Remove
the electrodes for the 5-lead monitor before attaching the electrodes for the 12-
lead EKG
WITH VERIFIED ANSWERS
What action should the technician instruct the patient to take if any electrodes
become loose during at-home use of an ambulatory monitor? - ANSWERS✔-Apply
surgical tape to the electrodes to keep them in place
Which leads record activity of the inferior wall of the left ventricle? - ANSWERS✔-
Leads III and AVF
What rhythm is characterized by absent P waves, wide QRS complexes, and a
ventricular rate between 20-40/mins? - ANSWERS✔-Idioventricular rhythm
What leads record electrical activity of the lateral wall of the left ventricle? -
ANSWERS✔-Leads I, AVL, V5, and V6
In which locations should the EKG technician place the electrodes for a 3-lead
ambulatory monitor? - ANSWERS✔-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? - ANSWERS✔-
Depressed ST segment
,What leads are bipolar? - ANSWERS✔-Leads I, II, and III
What is the expected reference range for respiratory rate of a newborn patient? -
ANSWERS✔-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? - ANSWERS✔-
"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? - ANSWERS✔-"This
procedure requires informed consent."
What is the final step when applying a Holter monitor? - ANSWERS✔-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? - ANSWERS✔-"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? -
ANSWERS✔-"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? - ANSWERS✔-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? - ANSWERS✔-rounded and upright
What statement should an EKG technician include when preparing a patient for an
upcoming exercise stress test? - ANSWERS✔-"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? - ANSWERS✔-Lead III
What speed setting should the technician use for a standard 12-lead EKG for a
patient experiencing an accelerated junctional rhythm? - ANSWERS✔-
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? - ANSWERS✔-Remove
the electrodes for the 5-lead monitor before attaching the electrodes for the 12-
lead EKG
