2026 NHA EKG QUESTIONS AND ANSWERS RATED
A+
✔✔In which of the following locations should an ekg tech place the electrodes for leads
V7, V8, and V9
1. evenly spaced on the back between the axially line and the vertebral column at the
fifth intercostal space
2. evenly spaced on the right chest between the sternum and the right axillary line
3. on the axillary plane at the fifth intercostal space
4. on the frontal plane at the sixth intercostal space - ✔✔1. every spaced on the back
between the axillary line and the vertebral column at the fifth intercostal space
✔✔During an exercise stress test, the patient reports fatigue. The ekg tech observes a
tracing that shows vtach. which of the following actions should the tech take?
1. notify the provider
2. begin chest compressions
3. defibrillate the patient
4. administer rescue breathing - ✔✔notify the provider
✔✔During an exercise stress test, an ekg tech notices the patient appears to be
hyperventilating, which of the following actions should the tech take first?
1. administer oxygen to the patient
2. slow down the test
3. stop the exercise portion the the test
4. check the patients respiratory rate - ✔✔check the patients respiratory rate
✔✔An ekg tech is preforming an exercise stress test for a patient who exhibits
ventricular fibrillation on the ekg tracing. Which of the following actions should the tech
take first?
1. determine if the patient is responsive
2. check the patient for breathing
3. begin chest compressions
4. apply AED pads - ✔✔determine if the patient is responsive
, ✔✔In a healthy adult patient, which of the following is the expected shape and direction
of the p wave in lead II
1. peaked and upright
2. peaked and inverted
3. rounded and inverted
4. rounded and upright - ✔✔rounded and upright
✔✔Which of the following ekg machine functions should an ekg tech use to control and
regulate the heights of ekg waveforms on the tracing?
1. speed
2. output display
3. artifact filter
4. gain - ✔✔gain
✔✔An ekg tech is preparing to preform 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 tech
select?
1. 5 mm/sec
2. 10 mm/sec
3. 25 mm/sec
4. 50 mm/sec - ✔✔50 mm/sec
✔✔Which of the following leads is created when an ekg tech places the electrodes to
the right of the patients sternum at the 4th intercostal space?
1. lead V1
2. leads I
3. lead aVR
4. lead MCL2 - ✔✔lead V1
✔✔An ekg tech is reviewing the ekg tracing of a patient who has ventricular
hypertrophy. Which of the following findings should the tech expect?
1. an ST segment depression of 2 mm
2. increased amplitude of the QRS complex
3. prolongation of the pr interval
4. irregularity of the p-p interval - ✔✔increased amplitude of the QRS complex
✔✔An ekg tech notes that the QRS complex is too tall to fit on the ekg paper. Which of
the following actions should the tech take?
1. change the gain control to 20 mm/mv
2. change the paper speed to 10 mm/sec
3. change the gain control to 5 mm/mv
4. change the paper speed to 50 mm/sec - ✔✔change gain control to 5 mm/mv
A+
✔✔In which of the following locations should an ekg tech place the electrodes for leads
V7, V8, and V9
1. evenly spaced on the back between the axially line and the vertebral column at the
fifth intercostal space
2. evenly spaced on the right chest between the sternum and the right axillary line
3. on the axillary plane at the fifth intercostal space
4. on the frontal plane at the sixth intercostal space - ✔✔1. every spaced on the back
between the axillary line and the vertebral column at the fifth intercostal space
✔✔During an exercise stress test, the patient reports fatigue. The ekg tech observes a
tracing that shows vtach. which of the following actions should the tech take?
1. notify the provider
2. begin chest compressions
3. defibrillate the patient
4. administer rescue breathing - ✔✔notify the provider
✔✔During an exercise stress test, an ekg tech notices the patient appears to be
hyperventilating, which of the following actions should the tech take first?
1. administer oxygen to the patient
2. slow down the test
3. stop the exercise portion the the test
4. check the patients respiratory rate - ✔✔check the patients respiratory rate
✔✔An ekg tech is preforming an exercise stress test for a patient who exhibits
ventricular fibrillation on the ekg tracing. Which of the following actions should the tech
take first?
1. determine if the patient is responsive
2. check the patient for breathing
3. begin chest compressions
4. apply AED pads - ✔✔determine if the patient is responsive
, ✔✔In a healthy adult patient, which of the following is the expected shape and direction
of the p wave in lead II
1. peaked and upright
2. peaked and inverted
3. rounded and inverted
4. rounded and upright - ✔✔rounded and upright
✔✔Which of the following ekg machine functions should an ekg tech use to control and
regulate the heights of ekg waveforms on the tracing?
1. speed
2. output display
3. artifact filter
4. gain - ✔✔gain
✔✔An ekg tech is preparing to preform 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 tech
select?
1. 5 mm/sec
2. 10 mm/sec
3. 25 mm/sec
4. 50 mm/sec - ✔✔50 mm/sec
✔✔Which of the following leads is created when an ekg tech places the electrodes to
the right of the patients sternum at the 4th intercostal space?
1. lead V1
2. leads I
3. lead aVR
4. lead MCL2 - ✔✔lead V1
✔✔An ekg tech is reviewing the ekg tracing of a patient who has ventricular
hypertrophy. Which of the following findings should the tech expect?
1. an ST segment depression of 2 mm
2. increased amplitude of the QRS complex
3. prolongation of the pr interval
4. irregularity of the p-p interval - ✔✔increased amplitude of the QRS complex
✔✔An ekg tech notes that the QRS complex is too tall to fit on the ekg paper. Which of
the following actions should the tech take?
1. change the gain control to 20 mm/mv
2. change the paper speed to 10 mm/sec
3. change the gain control to 5 mm/mv
4. change the paper speed to 50 mm/sec - ✔✔change gain control to 5 mm/mv
