NHA Module 2 CET – Study Guide and Practice Questions for Certified Electronics Technician
Certification
Which of the following leads is located at the intersection of the midclavicular line and the fifth
intercostal space for a standard 12-lead EKG?
V2
V4
V5
V6 - ANS ✔✔V4
An EKG technician applies a pulse oximetry device to a patient who is undergoing a stress test.
The pulse oximetry device provides information about which of the following test parameters?
Oxygen saturation
Cardiac output
Respiratory rate
Cardiac rhythm - ANS ✔✔Oxygen saturation
An EKG technician is preparing to apply electrodes and leads for a patient who has a
prescription for a Holter monitor. Which of the following actions should the technician take?
Apply tape to lead wires.
Ensure that lead wires are held in tension.
Apply conductive gel to the electrode sites.
Place the monitor in the patient's pants pocket. - ANS ✔✔Apply tape to lead wires.
An EKG technician is preparing a patient who has Parkinson's disease for an EKG. Which of the
following actions should the technician take to reduce artifacts associated with tremors caused
by Parkinson's disease?
Ask the patient to take slow, deep breaths.
, Raise the head of the bed to a semi-Fowler's position.
Have the patient place their hands palms-down under their buttocks.
Place a blanket over the patient. - ANS ✔✔Have the patient place their hands palms-down
under their buttocks.
Following best practices, how frequently should an EKG technician disinfect lead wires and
clips?
At the end of every shift
After each use
Once every hour
Once weekly - ANS ✔✔After each use
An EKG technician should recognize that which of the following changes to the settings of the
EKG machine will double the height of the tracing it produces?
10 mm/mV
25 mm/second
20 mm/mV
50 mm/second - ANS ✔✔20 mm/mV
Which of the following is a type of continuous monitoring performed in an inpatient health care
facility?
Holter monitoring
Telemetry monitoring
Postsymptom event monitoring
Loop-memory monitoring - ANS ✔✔Telemetry monitoring
An EKG technician notes that the tracing on an EKG is drifting away from the center of the paper.
The technician should recognize this as an example of which of the following artifacts?
Certification
Which of the following leads is located at the intersection of the midclavicular line and the fifth
intercostal space for a standard 12-lead EKG?
V2
V4
V5
V6 - ANS ✔✔V4
An EKG technician applies a pulse oximetry device to a patient who is undergoing a stress test.
The pulse oximetry device provides information about which of the following test parameters?
Oxygen saturation
Cardiac output
Respiratory rate
Cardiac rhythm - ANS ✔✔Oxygen saturation
An EKG technician is preparing to apply electrodes and leads for a patient who has a
prescription for a Holter monitor. Which of the following actions should the technician take?
Apply tape to lead wires.
Ensure that lead wires are held in tension.
Apply conductive gel to the electrode sites.
Place the monitor in the patient's pants pocket. - ANS ✔✔Apply tape to lead wires.
An EKG technician is preparing a patient who has Parkinson's disease for an EKG. Which of the
following actions should the technician take to reduce artifacts associated with tremors caused
by Parkinson's disease?
Ask the patient to take slow, deep breaths.
, Raise the head of the bed to a semi-Fowler's position.
Have the patient place their hands palms-down under their buttocks.
Place a blanket over the patient. - ANS ✔✔Have the patient place their hands palms-down
under their buttocks.
Following best practices, how frequently should an EKG technician disinfect lead wires and
clips?
At the end of every shift
After each use
Once every hour
Once weekly - ANS ✔✔After each use
An EKG technician should recognize that which of the following changes to the settings of the
EKG machine will double the height of the tracing it produces?
10 mm/mV
25 mm/second
20 mm/mV
50 mm/second - ANS ✔✔20 mm/mV
Which of the following is a type of continuous monitoring performed in an inpatient health care
facility?
Holter monitoring
Telemetry monitoring
Postsymptom event monitoring
Loop-memory monitoring - ANS ✔✔Telemetry monitoring
An EKG technician notes that the tracing on an EKG is drifting away from the center of the paper.
The technician should recognize this as an example of which of the following artifacts?
