Possible Latest EKG questions on NHA exam (2024/2025) With
Guided Solutions
Which of the following symptoms is most likely to be consistent with bradycardia?
a. hyperventilation
b.BP 100/80
c. cold/clammy skin
d. pulse rate 140/min - c. cold/clammy skin
An EKG technician is prescription to perform an EKG tracing on an older adult patient who is
unconscious upon arrival at the emergency department. What action should the technician take? -
assume implied consent because the patient's condition is considered critical
what lead groups represent Einthoven's Triangle? - Leads I, II, and III
An EKG technician is performing a stress test for a patient. What EKG changes indicate that the
patient is beginning to show signs of myocardial ischemia? - Depressed ST segment
Which of the following conditions is characterized by ST segment depression and T wave inversion?
a. early repolarization
b. elevated potassium
c. pericarditis
d. myocardial ischemia - d. myocardial ischemia
An EKG tech eliminates an EKG tracing artifact by plugging the machine into a different wall outlet.
What was the artifact caused by?
a. broken recording
b. somatic tremors
c. 60-cycle interference
d. both a and c - d. both a and c
,An EKG technician in an outpatient facility is obtaining a patient's vital signs and is having trouble
visualizing the patient's chest movement. What actions should the technician take to obtain an
accurate respiratory rate for the patient? - Place a hand on the middle of the patient's back to count
the respirations
An EKG tech should recognize what signs are often present when a patient is experiencing ventricular
tachycardia? - Multiple premature ventricular contractions (PVCs) in a row
What statement should an EKG tech make when preparing an 8-year-old patient for a standard 12-
lead EKG? - "I am going to apply some stickers to your belly, arms, and legs for the test"
What site is the most accurate for an EKG tech to use when measuring a patient's body temperature?
- temporal
An EKG tech is working with a patient who has a below-the-knee amputation on the left leg. What
location should the tech place the right leg electrode? - on the lower right abdomen (leads have to
be level)
After completing a standard 12-lead EKG on a patient, what actions should an EKG tech take next? -
check that the tracing is free from artifacts and then disconnect the patient from the machine
In what locations should an EKG tech place the electrodes for leads V7, V8, and V9? - Evenly spaced
on the back between the axillary line and the vertebral column at the 5th intercostal space
A thin spike before the P wave indicates that a pacemaker has been implanted to pace to what? -
atria
What action should the tech instruct the patient to take if any electrodes become loose during at
home use of an ambulatory monitor? - apply surgical tape to 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, aVL, V5, and V6
, In what location should be the EKG tech place the electrodes for a 3-lead ambulatory monitor? - on
the right shoulder, the left shoulder, and the left abdomen
An EKG tech 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 tech is providing instructions for a patient who is scheduled for an exercise stress test. What
instructions should tech include? - "You should avoid wearing shoes with high heels for this test"
An EKG tech is preparing a patient for an exercise stress test. What statement should the tech 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 tech 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"
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 tech 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
Guided Solutions
Which of the following symptoms is most likely to be consistent with bradycardia?
a. hyperventilation
b.BP 100/80
c. cold/clammy skin
d. pulse rate 140/min - c. cold/clammy skin
An EKG technician is prescription to perform an EKG tracing on an older adult patient who is
unconscious upon arrival at the emergency department. What action should the technician take? -
assume implied consent because the patient's condition is considered critical
what lead groups represent Einthoven's Triangle? - Leads I, II, and III
An EKG technician is performing a stress test for a patient. What EKG changes indicate that the
patient is beginning to show signs of myocardial ischemia? - Depressed ST segment
Which of the following conditions is characterized by ST segment depression and T wave inversion?
a. early repolarization
b. elevated potassium
c. pericarditis
d. myocardial ischemia - d. myocardial ischemia
An EKG tech eliminates an EKG tracing artifact by plugging the machine into a different wall outlet.
What was the artifact caused by?
a. broken recording
b. somatic tremors
c. 60-cycle interference
d. both a and c - d. both a and c
,An EKG technician in an outpatient facility is obtaining a patient's vital signs and is having trouble
visualizing the patient's chest movement. What actions should the technician take to obtain an
accurate respiratory rate for the patient? - Place a hand on the middle of the patient's back to count
the respirations
An EKG tech should recognize what signs are often present when a patient is experiencing ventricular
tachycardia? - Multiple premature ventricular contractions (PVCs) in a row
What statement should an EKG tech make when preparing an 8-year-old patient for a standard 12-
lead EKG? - "I am going to apply some stickers to your belly, arms, and legs for the test"
What site is the most accurate for an EKG tech to use when measuring a patient's body temperature?
- temporal
An EKG tech is working with a patient who has a below-the-knee amputation on the left leg. What
location should the tech place the right leg electrode? - on the lower right abdomen (leads have to
be level)
After completing a standard 12-lead EKG on a patient, what actions should an EKG tech take next? -
check that the tracing is free from artifacts and then disconnect the patient from the machine
In what locations should an EKG tech place the electrodes for leads V7, V8, and V9? - Evenly spaced
on the back between the axillary line and the vertebral column at the 5th intercostal space
A thin spike before the P wave indicates that a pacemaker has been implanted to pace to what? -
atria
What action should the tech instruct the patient to take if any electrodes become loose during at
home use of an ambulatory monitor? - apply surgical tape to 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, aVL, V5, and V6
, In what location should be the EKG tech place the electrodes for a 3-lead ambulatory monitor? - on
the right shoulder, the left shoulder, and the left abdomen
An EKG tech 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 tech is providing instructions for a patient who is scheduled for an exercise stress test. What
instructions should tech include? - "You should avoid wearing shoes with high heels for this test"
An EKG tech is preparing a patient for an exercise stress test. What statement should the tech 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 tech 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"
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 tech 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
