NHA EKG PRACTICE EXAM 100 QUESTIONS WITH
VERIFIED CORRECT ANSWERS/AGRADE
Which of the following EKG machine functions should an EKG technician use to
... [Show More] control and regulate the
height of EKG waveforms on the tracing?
a. Speed
b. Output display
c. Artifact filter
d. Gain Correct Answer: 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 Correct Answer: 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 Correct Answer: 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 Correct Answer: 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 Correct Answer:
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 Correct Answer: b. On the left anterior
axillary line, horizontal to lead V4
NHA EKG PRACTICE EXAM 100 QUESTIONS WITH
VERIFIED CORRECT ANSWERS/AGRADE
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 Correct Answer: 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 Correct Answer: 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 [Show Less]