NHA CET Review Questions and
Answers.
The physician has ordered a patient to wear a telemetry monitor at home. Which of the
following statements from the patient indicates the need for further instruction? -
\"If the leads come loose, I will reattach them."
Electrical interference on an EKG would most likely be a result of which of the
following? -
\O A frayed wire
For 5-lead electrode placement for ambulatory monitoring, where should the EKG
technician place the green ground electrode? -
\On a rib on the lower right side
For a normal patient, which of the following describes the pattern of the anticipated QRS
complex in V4? -
\O Half positive, half negative
Which of the following is the correct section to measure the QRS complex? -
\Beginning of the Q wave to the end of the S wave
An EKG is showing a rhythm that the EKG technician is not familiar with. Which of the
following should be the technician's next step? -
\O Verify proper lead
Which of the following methods for calculating a patient's heart rate from the EKG is
correct? -
\Divide 1,500 by the number of small boxes between two R waves.
An EKG technician notices that the waveforms on an EKG are very close together and
the patient has an unusually rapid heart rate. In order spread out the tracing, the
technician should change the paper speed to which of the following? -
\50 mm/second
Which of the following leads look at the interventricular septum? -
\V1 and V2
A myocardial infarction can often be detected by the presence of which of the following
in an EKG tracing? -
\O Pathologic Q waves
Which of the following is cause for discontinuing a stress test? -
\ST segment elevation
Answers.
The physician has ordered a patient to wear a telemetry monitor at home. Which of the
following statements from the patient indicates the need for further instruction? -
\"If the leads come loose, I will reattach them."
Electrical interference on an EKG would most likely be a result of which of the
following? -
\O A frayed wire
For 5-lead electrode placement for ambulatory monitoring, where should the EKG
technician place the green ground electrode? -
\On a rib on the lower right side
For a normal patient, which of the following describes the pattern of the anticipated QRS
complex in V4? -
\O Half positive, half negative
Which of the following is the correct section to measure the QRS complex? -
\Beginning of the Q wave to the end of the S wave
An EKG is showing a rhythm that the EKG technician is not familiar with. Which of the
following should be the technician's next step? -
\O Verify proper lead
Which of the following methods for calculating a patient's heart rate from the EKG is
correct? -
\Divide 1,500 by the number of small boxes between two R waves.
An EKG technician notices that the waveforms on an EKG are very close together and
the patient has an unusually rapid heart rate. In order spread out the tracing, the
technician should change the paper speed to which of the following? -
\50 mm/second
Which of the following leads look at the interventricular septum? -
\V1 and V2
A myocardial infarction can often be detected by the presence of which of the following
in an EKG tracing? -
\O Pathologic Q waves
Which of the following is cause for discontinuing a stress test? -
\ST segment elevation
