NHA EKG CERTIFICATION TEST QUESTION
WITH EXPLAINED SOLUTIONS
◉ In which of the following locations should an EKG technician place
the leads for a resting EKG tracing for a patient who is in an imobile
fetal position?
Answer: On the patients back
◉ While performing an exercise stress test on a patient, a technician
observes elevated ST segments. The technician should identify these
findings as which of the following?
Answer: Signs of acute myocardial infarction
◉ An EKG technician observes st segment depression and t wave
inversion in multiple leads. Which of the following should the
technician suspect?
A) Myocardial infarction
B) Myocardial injury
C) Myocardial ischemia
D) Heart block
Answer: C. Myocardial ischemia
,◉ When placing the electrodes on the patient for telemetry. In which
of the following locations should an EKG technician place the ground
electrode?
Answer: On the right lower leg
◉ An EKG technician eliminates an artifact on a 3 lead EKG tracing
by plugging the machine into a different wall outlet. Which of the
following caused the artifact?
Answer: AC interference
◉ Which of the following intervals should be used to determine the
regularity of ventricular depolarization?
Answer: R-R interval
◉ Which of the following patient findings indicates Myocardial
Infarction?
Answer: Cyanosis
◉ An EKG technician should recognize the smallest box on EKG
graph paper represents which of the following length of time?
Answer: 0.04 seconds
, ◉ An EKG technician notes that the QRS complex is too small to fit
on the EKG paper. Which of the following actions should the
technician take?
Answer: Change the gain control to 5mm/mV
◉ An EKG technician is reviewing the EKG tracing of a patient who
has ventricular hypertrophy. Which of the following findings should
the technician expect?
Answer: Increased amplitude of the QRS COMPLEX
◉ Which of the following leads is created when an EKG technician
places an electrode to the right of the patients sternum at the 4th
intercostal space?
Answer: Lead v1
◉ An EKG technicians is preparing to perform a standard 12 lead
EKG tracing on a patient who has a heart rate of 150/min. Which of
the following speed controls should the technician select?
Answer: 50 mm/second
◉ Which of the following EKG machine functions should an EKG
technician use to control and regulate the height of EKG waveforms
on the tracing?
Answer: Gain
WITH EXPLAINED SOLUTIONS
◉ In which of the following locations should an EKG technician place
the leads for a resting EKG tracing for a patient who is in an imobile
fetal position?
Answer: On the patients back
◉ While performing an exercise stress test on a patient, a technician
observes elevated ST segments. The technician should identify these
findings as which of the following?
Answer: Signs of acute myocardial infarction
◉ An EKG technician observes st segment depression and t wave
inversion in multiple leads. Which of the following should the
technician suspect?
A) Myocardial infarction
B) Myocardial injury
C) Myocardial ischemia
D) Heart block
Answer: C. Myocardial ischemia
,◉ When placing the electrodes on the patient for telemetry. In which
of the following locations should an EKG technician place the ground
electrode?
Answer: On the right lower leg
◉ An EKG technician eliminates an artifact on a 3 lead EKG tracing
by plugging the machine into a different wall outlet. Which of the
following caused the artifact?
Answer: AC interference
◉ Which of the following intervals should be used to determine the
regularity of ventricular depolarization?
Answer: R-R interval
◉ Which of the following patient findings indicates Myocardial
Infarction?
Answer: Cyanosis
◉ An EKG technician should recognize the smallest box on EKG
graph paper represents which of the following length of time?
Answer: 0.04 seconds
, ◉ An EKG technician notes that the QRS complex is too small to fit
on the EKG paper. Which of the following actions should the
technician take?
Answer: Change the gain control to 5mm/mV
◉ An EKG technician is reviewing the EKG tracing of a patient who
has ventricular hypertrophy. Which of the following findings should
the technician expect?
Answer: Increased amplitude of the QRS COMPLEX
◉ Which of the following leads is created when an EKG technician
places an electrode to the right of the patients sternum at the 4th
intercostal space?
Answer: Lead v1
◉ An EKG technicians is preparing to perform a standard 12 lead
EKG tracing on a patient who has a heart rate of 150/min. Which of
the following speed controls should the technician select?
Answer: 50 mm/second
◉ Which of the following EKG machine functions should an EKG
technician use to control and regulate the height of EKG waveforms
on the tracing?
Answer: Gain
