CET FINAL STUDY GUIDE 2026
COMPLETE QUESTIONS AND ANSWERS.
◍ An EKG technician is measuring the intervals on an EKG tracing.
Which of the following is an expected finding of impaired conduction
through the AV node? Answer: Prolonged PR interval
◍ An EKG technician is preforming a standard 12-lead EKG for a
patient. The technician should identify that which of the following
information is recorded by lead 1? Answer: Electrical activity between
the right arm and left arm.
◍ An EKG technician should recognize that which of the following
signs are often present when a patient is experiencing ventricular
tachycardia? Answer: Multiple premature ventricular contractions in a
row.
◍ Which of the following statements should an EKG technician make
when preparing an 8-year-old patient for a standard 12-lead EKG?
Answer: "I am going to apply some stickers to your belly, arms, and legs
for the test."
,◍ Which of the following sites is the most accurate for an EKG
technician to use when measuring the body temperature of a young
child? Answer: Temporal
◍ An EKG technician is working with a patient who has a below-the-
knee amputation on the left leg. In which of the following locations
should the technician place the right leg electrode? Answer: On the
lower right abdomen.
◍ An EKG technician is preforming a standard 12-lead EKG for a
patient who is experiencing accelerated junctional rhythm. Which of the
following speed settings should the technician use? Answer: 25
mm/second
◍ For which of the following types of heart block should an EKG
technician observe the patient for signs and symptoms of decreased
cardiac output that could lead to the cardiac arrest? Answer: Third-
degree AV block
◍ The presence of which of the following on an EKG tracing can
indicate a previous myocardial infarction? Answer: Pathologic Q waves
◍ When placing electrodes on the patients for telemetry, in which of the
following locations should an EKG technician place the ground
electrode? Answer: On the right lower leg
,◍ Which of the following patient findings indicates myocardial
infarctions? Answer: Cyanosis
◍ Which of the following terms describes an EKG technician writing
defamatory comments in a patient's chart? Answer: Libel
◍ Which of the following electrodes is used to create leads 1, 2, and
aVR? Answer: Right arm
◍ An EKG technician working at a central monitoring station notes that
a patient has a rhythm of ventricular tachycardia. Which of the following
actions should the technician take first? Answer: Notify a licensed
practitioner to evaluate the patient
◍ An EKG technician eliminates an artifact on a 3-lead EKG tracing by
plugging the machine into a different wall outlet. Which of the following
cause the artifact? Answer: AC interference
◍ An EKG technician is monitoring a patient who is undergoing an
exercise stress test. Which of the following findings should indicate to
the technician that the patient is experiencing an adverse reaction?
Answer: Report of tingling sensations in the lower extremities
, ◍ An EKG technician hears another staff member making derogatory
comments about a patient's appearance. This is an example of which of
the following torts? Answer: Slander
◍ An EKG technician is reviewing a tracing for a patient who has a
ventricular pacemaker. Which of the following rhythm patterns should
the technician expect after a pacing spike? Answer: Wide QRS interval
◍ An EKG technician is preparing a patient for a standard 12-lead EKG.
Which of the following is the correct placement for lead V4? Answer:
The fifth intercostal space at the midclavicular line
◍ In which of the following locations should an EKG technician place
the leads for a resting EKG tracing for a patient who is an immobile fetal
position? Answer: On the patient's back
◍ Which of the following leads is created when an EKG technician
places the electrode to the right of the patient's sternum at the forth
intercostal space? Answer: Lead V1
◍ An EKG technician is preparing to apply electrodes to a patient for a
standard 12 lead EKG. Which of the following methods should the
technician use to prepare the patient for application of the electrodes.
Answer: Use a razor or clippers to remove the patient's hair
COMPLETE QUESTIONS AND ANSWERS.
◍ An EKG technician is measuring the intervals on an EKG tracing.
Which of the following is an expected finding of impaired conduction
through the AV node? Answer: Prolonged PR interval
◍ An EKG technician is preforming a standard 12-lead EKG for a
patient. The technician should identify that which of the following
information is recorded by lead 1? Answer: Electrical activity between
the right arm and left arm.
◍ An EKG technician should recognize that which of the following
signs are often present when a patient is experiencing ventricular
tachycardia? Answer: Multiple premature ventricular contractions in a
row.
◍ Which of the following statements should an EKG technician make
when preparing an 8-year-old patient for a standard 12-lead EKG?
Answer: "I am going to apply some stickers to your belly, arms, and legs
for the test."
,◍ Which of the following sites is the most accurate for an EKG
technician to use when measuring the body temperature of a young
child? Answer: Temporal
◍ An EKG technician is working with a patient who has a below-the-
knee amputation on the left leg. In which of the following locations
should the technician place the right leg electrode? Answer: On the
lower right abdomen.
◍ An EKG technician is preforming a standard 12-lead EKG for a
patient who is experiencing accelerated junctional rhythm. Which of the
following speed settings should the technician use? Answer: 25
mm/second
◍ For which of the following types of heart block should an EKG
technician observe the patient for signs and symptoms of decreased
cardiac output that could lead to the cardiac arrest? Answer: Third-
degree AV block
◍ The presence of which of the following on an EKG tracing can
indicate a previous myocardial infarction? Answer: Pathologic Q waves
◍ When placing electrodes on the patients for telemetry, in which of the
following locations should an EKG technician place the ground
electrode? Answer: On the right lower leg
,◍ Which of the following patient findings indicates myocardial
infarctions? Answer: Cyanosis
◍ Which of the following terms describes an EKG technician writing
defamatory comments in a patient's chart? Answer: Libel
◍ Which of the following electrodes is used to create leads 1, 2, and
aVR? Answer: Right arm
◍ An EKG technician working at a central monitoring station notes that
a patient has a rhythm of ventricular tachycardia. Which of the following
actions should the technician take first? Answer: Notify a licensed
practitioner to evaluate the patient
◍ An EKG technician eliminates an artifact on a 3-lead EKG tracing by
plugging the machine into a different wall outlet. Which of the following
cause the artifact? Answer: AC interference
◍ An EKG technician is monitoring a patient who is undergoing an
exercise stress test. Which of the following findings should indicate to
the technician that the patient is experiencing an adverse reaction?
Answer: Report of tingling sensations in the lower extremities
, ◍ An EKG technician hears another staff member making derogatory
comments about a patient's appearance. This is an example of which of
the following torts? Answer: Slander
◍ An EKG technician is reviewing a tracing for a patient who has a
ventricular pacemaker. Which of the following rhythm patterns should
the technician expect after a pacing spike? Answer: Wide QRS interval
◍ An EKG technician is preparing a patient for a standard 12-lead EKG.
Which of the following is the correct placement for lead V4? Answer:
The fifth intercostal space at the midclavicular line
◍ In which of the following locations should an EKG technician place
the leads for a resting EKG tracing for a patient who is an immobile fetal
position? Answer: On the patient's back
◍ Which of the following leads is created when an EKG technician
places the electrode to the right of the patient's sternum at the forth
intercostal space? Answer: Lead V1
◍ An EKG technician is preparing to apply electrodes to a patient for a
standard 12 lead EKG. Which of the following methods should the
technician use to prepare the patient for application of the electrodes.
Answer: Use a razor or clippers to remove the patient's hair
