NHA EKG PRACTICE EXAM (3
PRACTICE EXAM) CONTAINS 300 REAL
EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
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 - ✔✔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 - ✔✔the upper chest and lower abdomen
1|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
,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 - ✔✔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 - ✔✔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
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©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
,omit emotional conditions when recording activities into the diary
avoid any daily activity that may trigger symptoms - ✔✔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 - ✔✔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 - ✔✔AC interference
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©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
, 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 - ✔✔ST segment elevation
a loose electrode would most likely produce which of the following conditions
erroneous marks
AC inteference
wandering baseline
somatic tremor - ✔✔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
4|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
PRACTICE EXAM) CONTAINS 300 REAL
EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
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 - ✔✔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 - ✔✔the upper chest and lower abdomen
1|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
,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 - ✔✔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 - ✔✔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
2|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
,omit emotional conditions when recording activities into the diary
avoid any daily activity that may trigger symptoms - ✔✔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 - ✔✔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 - ✔✔AC interference
3|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
, 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 - ✔✔ST segment elevation
a loose electrode would most likely produce which of the following conditions
erroneous marks
AC inteference
wandering baseline
somatic tremor - ✔✔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
4|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
