EKG Certification NHA Exam Questions with
Correct Answers 2026-2027
Which of the following interventions should a patient receive if experiencing heart palpitations? -
CORRECT ANSWER -Holter monitor
What should the technician do to obtain an accurate respiratory rate for a patient if not clear? -
CORRECT ANSWER -Place a hand on the middle of the patient's back to count the respirations
What is the expected finding on the EKG tracing of impaired conduction through the AV node? -
CORRECT ANSWER -prolonged PR interval
On a 12 lead EKG, what is recorded by Lead I? - CORRECT ANSWER -
Electrical activity between the right arm and left arm
What sign is often present on an EKG tracing when a patient is experiencing ventricular tachycardi
a? - CORRECT ANSWER -Multiple premature ventricular contractions in a row
What site is the most accurate site to use when measuring the body temp of a young child? -
CORRECT ANSWER -Temporal
If a patient has a below the knee amputation on the left leg, where should the technician place t
he right leg electrode? - CORRECT ANSWER -Lower right abdomen
After completing a 12 lead EKG, what should the technician do next? - CORRECT ANSWER -
Check that the tracing is free from artifacts and then disconnect the patient from the machine.
If a patient is experiencing accelerated junctional rhythm
(60/100min HR) what speed setting should be set on the EKG machine? - CORRECT ANSWER -
Normal speed; 25mm/second
, What type of heart block should an EKG technician observe the patient for signs and symptoms of
decreased cardiac output that could lead to cardiac arrest? - CORRECT ANSWER -
Third degree AV block
The presence of which of the following on an EKG tracing can indicate a previous myocardial infar
ction? - CORRECT ANSWER -Pathologic Q waves
When placing electrodes on a patient for a telemetry, what location should the tech place the gro
und electrode? - CORRECT ANSWER -on the right lower leg
Which of the following patient findings indicates myocardial infarction? - CORRECT ANSWER -
Cyanosis; patient's lips and nails turning blue from lack of oxygen
What electrode is used to create Leads I, II, and aVR - CORRECT ANSWER -Right arm
What is the first action a tech should take if a patient is experiencing a rhythm of ventricular tach
ycardia? - CORRECT ANSWER -Notify a licensed practitioner to evaluate the patient
If an EKG technician eliminates an artifact on a tracing by plugging the machine into a different ou
tlet, what kind of artifact is this? - CORRECT ANSWER -AC interferance
What indicates a patient is experiencing an adverse reaction while completing an exercise stress te
st? - CORRECT ANSWER -Tingling sensation in the lower extremities
A patient who has a ventricular pacemaker would show what kind of pattern after a pacing spike?
- CORRECT ANSWER -wide QRS interval
What is the correct placement for lead V4 in a standard 12 lead EKG? - CORRECT ANSWER -
Fifth intercostal space at the midclavicular line
What location should the technician place the leads on a patient who is in immobile fetal position
? - CORRECT ANSWER -On the back
Correct Answers 2026-2027
Which of the following interventions should a patient receive if experiencing heart palpitations? -
CORRECT ANSWER -Holter monitor
What should the technician do to obtain an accurate respiratory rate for a patient if not clear? -
CORRECT ANSWER -Place a hand on the middle of the patient's back to count the respirations
What is the expected finding on the EKG tracing of impaired conduction through the AV node? -
CORRECT ANSWER -prolonged PR interval
On a 12 lead EKG, what is recorded by Lead I? - CORRECT ANSWER -
Electrical activity between the right arm and left arm
What sign is often present on an EKG tracing when a patient is experiencing ventricular tachycardi
a? - CORRECT ANSWER -Multiple premature ventricular contractions in a row
What site is the most accurate site to use when measuring the body temp of a young child? -
CORRECT ANSWER -Temporal
If a patient has a below the knee amputation on the left leg, where should the technician place t
he right leg electrode? - CORRECT ANSWER -Lower right abdomen
After completing a 12 lead EKG, what should the technician do next? - CORRECT ANSWER -
Check that the tracing is free from artifacts and then disconnect the patient from the machine.
If a patient is experiencing accelerated junctional rhythm
(60/100min HR) what speed setting should be set on the EKG machine? - CORRECT ANSWER -
Normal speed; 25mm/second
, What type of heart block should an EKG technician observe the patient for signs and symptoms of
decreased cardiac output that could lead to cardiac arrest? - CORRECT ANSWER -
Third degree AV block
The presence of which of the following on an EKG tracing can indicate a previous myocardial infar
ction? - CORRECT ANSWER -Pathologic Q waves
When placing electrodes on a patient for a telemetry, what location should the tech place the gro
und electrode? - CORRECT ANSWER -on the right lower leg
Which of the following patient findings indicates myocardial infarction? - CORRECT ANSWER -
Cyanosis; patient's lips and nails turning blue from lack of oxygen
What electrode is used to create Leads I, II, and aVR - CORRECT ANSWER -Right arm
What is the first action a tech should take if a patient is experiencing a rhythm of ventricular tach
ycardia? - CORRECT ANSWER -Notify a licensed practitioner to evaluate the patient
If an EKG technician eliminates an artifact on a tracing by plugging the machine into a different ou
tlet, what kind of artifact is this? - CORRECT ANSWER -AC interferance
What indicates a patient is experiencing an adverse reaction while completing an exercise stress te
st? - CORRECT ANSWER -Tingling sensation in the lower extremities
A patient who has a ventricular pacemaker would show what kind of pattern after a pacing spike?
- CORRECT ANSWER -wide QRS interval
What is the correct placement for lead V4 in a standard 12 lead EKG? - CORRECT ANSWER -
Fifth intercostal space at the midclavicular line
What location should the technician place the leads on a patient who is in immobile fetal position
? - CORRECT ANSWER -On the back
