NHA exam Comprehensive
Questions (Frequently
Tested) with Verified
Answers Graded A+
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 - Answer: 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? - Answer: assume implied consent because the patient's condition is
considered critical
what lead groups represent Einthoven's Triangle? - Answer: 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? - Answer: 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 - Answer: 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 - Answer: 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? - Answer: 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? - Answer: 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? - Answer: "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? - Answer: 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? - Answer: 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? - Answer: 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? -
Answer: 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? - Answer: atria
What action should the tech instruct the patient to take if any electrodes become loose
during at home use of an ambulatory monitor? - Answer: apply surgical tape to
electrodes to keep them in place
Which leads record activity of the inferior wall of the left ventricle? - Answer: leads III
and aVF
What rhythm is characterized by absent P waves, wide QRS complexes, and a ventricular
rate between 20-40/mins? - Answer: Idioventricular rhythm
What leads record electrical activity of the lateral wall of the left ventricle? - Answer:
Leads I, aVL, V5, and V6