NHA EKG PRACTICE EXAM (3 PRACTICE EXAM) CONTAINS 300
REAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS
on a 12 lead EKG, leads I and aVL show signs of a broken recording. The EKG
technician should check that the electrodes are attached to which of the following?
right arm, right leg, left leg, left arm - ANSWER: Left arm
an EKG tech is preparing to perform a 12 lead EKG on a patient who has casts on her
left arm and left leg. in which of the following locations should the tech apply the
limb leads?
the hands close to the fingers
the left shoulder and right forearm
the right and left sides of the xiphoid process
the upper chest and lower abdomen - ANSWER: the upper chest and lower
abdomen
the standard leads measure which of the following?
the simultaneous flow of electrical currents in 2 directions
the amplitude of the ST segment
the duration of the QRS segment
the consistent flow of an electrical current in 1 direction - ANSWER: the consistent
flow of an electrical current in 1 direction
an EKG technician is performing an EKG an notices the patient has somatic tremors -
which of the following actions should the technician take?
remove tension from lead wires
ensure the placement of lead wires
make sure there is no oil, lotion or dirt under the electrodes
give the patient a blanket - ANSWER: give the patient a blanket
an ekg tech is educating a patient on the use of a Holter monitor. which of the
following information should the tech include?
you may remove the holter monitor while taking a bath or shower
its comon for symptoms to occur that aren't related to a daily activty
omit emotional conditions when recording activities into the diary
avoid any daily activity that may trigger symptoms - ANSWER: avoid any daily
activity that may trigger symptoms
which of the following is the first step when using an automated external defibrilator
,apply pads to the patient's chest
clear all people when shock is advised
turn the AED on
press the analyze button - ANSWER: turn the AED on
while a patient is having an EKG performed, another individual in the room uses a
mobile phone. which of the following should the EKG tech expect to see on the
tracing?
somatic tremors
AC interference
Broken recording
Wandering baseline - ANSWER: AC interference
a tech should recognize which of the following patient conditions as a reason to stop
a stress test?
ST segment elevation
increase in temperature
diaphoresis
increase in respiratory rate - ANSWER: ST segment elevation
a loose electrode would most likely produce which of the following conditions
erroneous marks
AC inteference
wandering baseline
somatic tremor - ANSWER: erroneous marks
the PR interval indicates which of the following
the beginning of atrial depolarization to the beginning of ventricular depolarization
the beginning of atrial repolarization to the beginning of ventricular repolarization
delayed atrial depolarizations
delayed ventricular repolarization - ANSWER: the beginning of atrial repolarizaiton
to the beginning of ventricular depolarization
a patient has a heart rate of 64/min. how many QRS complexes would the tech
expect toe see on the strip when counting 150 small boxes?
6
7
10
15 - ANSWER: 6
, which of the following rhythms is identified by a wide QRS complex and a heart rate
of 20/min to 40/min
idioventricular
accelerated junctional
atrial fibrilation
ventricular bradycardia - ANSWER: idioventricular
which of the following lead combinations will determine a lateral wall acute
myocardial infarction?
leads 1, aVL, V5, V6
leads II, aVL, V5, V6
leads II, aVR, V5, V6
leads 1, aVR, V5, V6 - ANSWER: lead 1, aVL, V5, V6
on a 12 lead ekg, the fifth intercostal space, left midaxillary line is the location for
which of the following electrodes?
v3
v4
v5
v6 - ANSWER: v4
when performing a 12 lead EKG, which of the following leads corresponds with leads
I II and III?
bipolar
unipolar
augmented
precordial - ANSWER: augmented
which of the following scenarios demonstrates an EKG tech's proper understanding
of patient confidentiality?
tech tells his wife he performed an EKG on their neighbor
tech places an EKG strip on top of the machine in the hall
tech tells a patient's spouse about a short run of ventricular tachycardia on the
patient
tech performing an EKG on a spanish speaking patient asks another tech to translate
for him - ANSWER: tech performing an ekg for a spanish speaking patient asks
another tech to translate for him
when performing a 12 lead ekg, how many electrodes are applied
3
5
REAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS
on a 12 lead EKG, leads I and aVL show signs of a broken recording. The EKG
technician should check that the electrodes are attached to which of the following?
right arm, right leg, left leg, left arm - ANSWER: Left arm
an EKG tech is preparing to perform a 12 lead EKG on a patient who has casts on her
left arm and left leg. in which of the following locations should the tech apply the
limb leads?
the hands close to the fingers
the left shoulder and right forearm
the right and left sides of the xiphoid process
the upper chest and lower abdomen - ANSWER: the upper chest and lower
abdomen
the standard leads measure which of the following?
the simultaneous flow of electrical currents in 2 directions
the amplitude of the ST segment
the duration of the QRS segment
the consistent flow of an electrical current in 1 direction - ANSWER: the consistent
flow of an electrical current in 1 direction
an EKG technician is performing an EKG an notices the patient has somatic tremors -
which of the following actions should the technician take?
remove tension from lead wires
ensure the placement of lead wires
make sure there is no oil, lotion or dirt under the electrodes
give the patient a blanket - ANSWER: give the patient a blanket
an ekg tech is educating a patient on the use of a Holter monitor. which of the
following information should the tech include?
you may remove the holter monitor while taking a bath or shower
its comon for symptoms to occur that aren't related to a daily activty
omit emotional conditions when recording activities into the diary
avoid any daily activity that may trigger symptoms - ANSWER: avoid any daily
activity that may trigger symptoms
which of the following is the first step when using an automated external defibrilator
,apply pads to the patient's chest
clear all people when shock is advised
turn the AED on
press the analyze button - ANSWER: turn the AED on
while a patient is having an EKG performed, another individual in the room uses a
mobile phone. which of the following should the EKG tech expect to see on the
tracing?
somatic tremors
AC interference
Broken recording
Wandering baseline - ANSWER: AC interference
a tech should recognize which of the following patient conditions as a reason to stop
a stress test?
ST segment elevation
increase in temperature
diaphoresis
increase in respiratory rate - ANSWER: ST segment elevation
a loose electrode would most likely produce which of the following conditions
erroneous marks
AC inteference
wandering baseline
somatic tremor - ANSWER: erroneous marks
the PR interval indicates which of the following
the beginning of atrial depolarization to the beginning of ventricular depolarization
the beginning of atrial repolarization to the beginning of ventricular repolarization
delayed atrial depolarizations
delayed ventricular repolarization - ANSWER: the beginning of atrial repolarizaiton
to the beginning of ventricular depolarization
a patient has a heart rate of 64/min. how many QRS complexes would the tech
expect toe see on the strip when counting 150 small boxes?
6
7
10
15 - ANSWER: 6
, which of the following rhythms is identified by a wide QRS complex and a heart rate
of 20/min to 40/min
idioventricular
accelerated junctional
atrial fibrilation
ventricular bradycardia - ANSWER: idioventricular
which of the following lead combinations will determine a lateral wall acute
myocardial infarction?
leads 1, aVL, V5, V6
leads II, aVL, V5, V6
leads II, aVR, V5, V6
leads 1, aVR, V5, V6 - ANSWER: lead 1, aVL, V5, V6
on a 12 lead ekg, the fifth intercostal space, left midaxillary line is the location for
which of the following electrodes?
v3
v4
v5
v6 - ANSWER: v4
when performing a 12 lead EKG, which of the following leads corresponds with leads
I II and III?
bipolar
unipolar
augmented
precordial - ANSWER: augmented
which of the following scenarios demonstrates an EKG tech's proper understanding
of patient confidentiality?
tech tells his wife he performed an EKG on their neighbor
tech places an EKG strip on top of the machine in the hall
tech tells a patient's spouse about a short run of ventricular tachycardia on the
patient
tech performing an EKG on a spanish speaking patient asks another tech to translate
for him - ANSWER: tech performing an ekg for a spanish speaking patient asks
another tech to translate for him
when performing a 12 lead ekg, how many electrodes are applied
3
5
