NHA EKG (CET) study guide (2021)-Question and Answers/A+ Rated
NHA EKG (CET) study guide (2021)-
Question and Answers/A+ Rated
What action should the
... [Show More] technician instruct the patient to take if any electrodes
become loose during at-home use of an ambulatory monitor?
Apply surgical tape to the electrodes to keep them in place
Which leads record activity of the inferior wall of the left ventricle?
Leads III and AVF
What rhythm is characterized by absent P waves, wide QRS complexes, and a
ventricular rate between 20-40/mins?
Idioventricular rhythm
What leads record electrical activity of the lateral wall of the left ventricle?
Leads I, V6, AVL, and V5
In which locations should the EKG technician place the electrodes for a 3-lead
ambulatory monitor?
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?
Depressed ST segment
What leads are bipolar?
Leads I, II, and III
What is the expected reference range for respiratory rate of a newborn patient?
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?
"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?
"This procedure requires informed consent."
What is the final step when applying a Holter monitor?
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?
"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?
"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?
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?
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? [Show Less]