NHA EKG (CET) study guide (2022)| 146
QUESTIONS| WITH COMPLETE SOLUTION
What action should the technician instruct the patient to take if any electrodes
become loose during at-home use of an ambulatory monitor? Correct Answer:
Apply surgical tape to the electrodes to keep them in place
Which leads record activity of the inferior wall of the left ventricle? Correct
Answer: Leads III and AVF
What rhythm is characterized by absent P waves, wide QRS complexes, and a
ventricular rate between 20-40/mins? Correct Answer: Idioventricular rhythm
What leads record electrical activity of the lateral wall of the left ventricle? Correct
Answer: Leads I, V6, AVL, and V5
In which locations should the EKG technician place the electrodes for a 3-lead
ambulatory monitor? Correct 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? Correct
Answer: Depressed ST segment
What leads are bipolar? Correct Answer: Leads I, II, and III
What is the expected reference range for respiratory rate of a newborn patient?
Correct 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? Correct 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? Correct Answer: "This
procedure requires informed consent."
What is the final step when applying a Holter monitor? Correct 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? Correct 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? Correct
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? Correct 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? Correct Answer: rounded and upright
What statement should an EKG technician include when preparing a patient for an
upcoming exercise stress test? Correct 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? Correct Answer: Lead III
What speed setting should the technician use for a standard 12-lead EKG for a
patient experiencing an accelerated junctional rhythm? Correct 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? Correct 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? Correct Answer: 6 seconds
What is the best method for an EKG technician to use when removing hair from
electrode placement? Correct Answer: Clippers
QUESTIONS| WITH COMPLETE SOLUTION
What action should the technician instruct the patient to take if any electrodes
become loose during at-home use of an ambulatory monitor? Correct Answer:
Apply surgical tape to the electrodes to keep them in place
Which leads record activity of the inferior wall of the left ventricle? Correct
Answer: Leads III and AVF
What rhythm is characterized by absent P waves, wide QRS complexes, and a
ventricular rate between 20-40/mins? Correct Answer: Idioventricular rhythm
What leads record electrical activity of the lateral wall of the left ventricle? Correct
Answer: Leads I, V6, AVL, and V5
In which locations should the EKG technician place the electrodes for a 3-lead
ambulatory monitor? Correct 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? Correct
Answer: Depressed ST segment
What leads are bipolar? Correct Answer: Leads I, II, and III
What is the expected reference range for respiratory rate of a newborn patient?
Correct 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? Correct 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? Correct Answer: "This
procedure requires informed consent."
What is the final step when applying a Holter monitor? Correct 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? Correct 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? Correct
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? Correct 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? Correct Answer: rounded and upright
What statement should an EKG technician include when preparing a patient for an
upcoming exercise stress test? Correct 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? Correct Answer: Lead III
What speed setting should the technician use for a standard 12-lead EKG for a
patient experiencing an accelerated junctional rhythm? Correct 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? Correct 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? Correct Answer: 6 seconds
What is the best method for an EKG technician to use when removing hair from
electrode placement? Correct Answer: Clippers
