NHA EKG Technician Certification Actual Exam
2025 | Updated NOW Practice Questions with Correct
Answers Graded A+
Which of the following EKG machine functions should an EKG technician use to
control and regulate the height of EKG waveforms on the tracing?
a. Speed
b. Output display
c. Artifact filter
d. Gain
d. Gain
Which of the following methods should a EKG technician use when removing hair
from electrode placement sites for telemetry monitoring?
a. Dry shave
b. Wet shave
c. Tape
d. Clippers
d. Clippers
,An EKG technician notes periods of sinus arrest on a patient's EKG tracing. The
technician should consider the sinus arrest to be a medical emergency when the
arrest reaches which of the following durations?
a. 6 sec
b. 4 sec
c. 3 sec
d. 1 sec
a. 6 sec
Which of the following lead groups are bipolar leads?
a. Leads aVR, aVL, and aVF
b. Leads I, II, and III
c. Leads V1, V2, and V3
d. Leads V4, V5, and V6
b. Leads I, II, III
An EKG technician is performing a second standard 12-lead EKG on a patient
immediately following the first test. For which of the following reasons should the
technician recognize that resting tab electrodes should not be used for more than
two consecutive EKG tracings?
a. The electrodes cannot conduct the signal after two EKG tracings
,b. The electrodes will not conduct accurately after two EKG tracings
c. The electrodes need to be cleaned after two EKG tracings
d. The electrodes will not re-adhere to the skin after being removed between
tracings
b. The electrodes will not conduct accurately after two EKG tracings
In which of the following locations should an EKG technician place the electrode
for leavd V5?
a. On the left midaxillary line, horizontal to lead V4
b. On the left anterior axillary line, horizontal to lead V4
c. On the left midclavicular line, fifth intercostal space
d. On the right margin of the sternum, fourth intercostal space
b. On the left anterior axillary line, horizontal to lead V4
An EKG technician is working with a patient who has a below-the-knee
amputation of the left leg. In which of the following locations should the
technician place the right leg electrode?
a. On the lower right foot
b. On the lower right abdomen
c. On the lower left torso
d. On the lower right leg
b. On the lower right abdomen
, Which of the following methods should an EKG technician use to store electrodes
when not in use?
a. Loose in the EKG cart
b. In a folded paper bag
c. In an open plastic bag
d. In the original, foil-lined packaging
d. In the original, foil-lined packaging
A serial EKG tracing shows a rhythm that does not match the last tracing that the
EKG technician performed. Which of the following actions should the technician
take first?
a. Connect the patient to a different EKG machine.
b. Report the finding to the provider
c. Verify proper lead placement
d. Perform a maintenance check on the machine
c. Verify proper lead placement
Which of the following statements made by an EKG technician correctly prepares
the patient for telemetry monitoring?
a. "I will clean your skin with an alcohol pad"
2025 | Updated NOW Practice Questions with Correct
Answers Graded A+
Which of the following EKG machine functions should an EKG technician use to
control and regulate the height of EKG waveforms on the tracing?
a. Speed
b. Output display
c. Artifact filter
d. Gain
d. Gain
Which of the following methods should a EKG technician use when removing hair
from electrode placement sites for telemetry monitoring?
a. Dry shave
b. Wet shave
c. Tape
d. Clippers
d. Clippers
,An EKG technician notes periods of sinus arrest on a patient's EKG tracing. The
technician should consider the sinus arrest to be a medical emergency when the
arrest reaches which of the following durations?
a. 6 sec
b. 4 sec
c. 3 sec
d. 1 sec
a. 6 sec
Which of the following lead groups are bipolar leads?
a. Leads aVR, aVL, and aVF
b. Leads I, II, and III
c. Leads V1, V2, and V3
d. Leads V4, V5, and V6
b. Leads I, II, III
An EKG technician is performing a second standard 12-lead EKG on a patient
immediately following the first test. For which of the following reasons should the
technician recognize that resting tab electrodes should not be used for more than
two consecutive EKG tracings?
a. The electrodes cannot conduct the signal after two EKG tracings
,b. The electrodes will not conduct accurately after two EKG tracings
c. The electrodes need to be cleaned after two EKG tracings
d. The electrodes will not re-adhere to the skin after being removed between
tracings
b. The electrodes will not conduct accurately after two EKG tracings
In which of the following locations should an EKG technician place the electrode
for leavd V5?
a. On the left midaxillary line, horizontal to lead V4
b. On the left anterior axillary line, horizontal to lead V4
c. On the left midclavicular line, fifth intercostal space
d. On the right margin of the sternum, fourth intercostal space
b. On the left anterior axillary line, horizontal to lead V4
An EKG technician is working with a patient who has a below-the-knee
amputation of the left leg. In which of the following locations should the
technician place the right leg electrode?
a. On the lower right foot
b. On the lower right abdomen
c. On the lower left torso
d. On the lower right leg
b. On the lower right abdomen
, Which of the following methods should an EKG technician use to store electrodes
when not in use?
a. Loose in the EKG cart
b. In a folded paper bag
c. In an open plastic bag
d. In the original, foil-lined packaging
d. In the original, foil-lined packaging
A serial EKG tracing shows a rhythm that does not match the last tracing that the
EKG technician performed. Which of the following actions should the technician
take first?
a. Connect the patient to a different EKG machine.
b. Report the finding to the provider
c. Verify proper lead placement
d. Perform a maintenance check on the machine
c. Verify proper lead placement
Which of the following statements made by an EKG technician correctly prepares
the patient for telemetry monitoring?
a. "I will clean your skin with an alcohol pad"
