1|Page
EKG CERTIFICATION/NATIONAL EXAM QUESTIONS
WITH SOLUTION GUIDE (A+ GRADED 100%
VERIFIED) LATEST VERSION 2026
when the heart goes down to 40-60 beats per minute where is the
impulse generated ? ......ANSWER......usually in the AV Node
which blood vessel leaves the heart and carries to all parts of the body?
......ANSWER......Aorta
when measuring the height of peaks in an EKG what number does each
large square represent? ......ANSWER......5 millimeters by 5 millimeters
each small square in an EKG is? ......ANSWER......0.04 seconds
how can you calculate each heart rate of an EKG rate?
......ANSWER......count the number of complete complexes in a 3 or 6
interval and multiply by 20 or 10
if the ventricles are in the systole phase what is happening?
......ANSWER......they are pumping the blood out of the chamber by
contraction
pg. 1
,2|Page
what is the membrane inclosing the heart? ......ANSWER......it is the
pericardial sac
what are the pericardial leads? ......ANSWER......they are chest leads
normal standard is? ......ANSWER......10 millimeters
what are leads? ......ANSWER......they are the colored wires that are put
on a patients limbs
what is AVL ? ......ANSWER......AVL is the difference in the hearts voltage
what is AVF? ......ANSWER......AVF is the difference in the hearts voltage
between the left leg and midpoint between left leg and right arm
what does V1 through V6 record? ......ANSWER......V1 through V6
records hearts voltage from the front to the back of the heart, recorded
from the central point of the heart
What is a sinus arrhythmia? ......ANSWER......it is changes in breathing
what does the term systole mean? ......ANSWER......flatline (death)
pg. 2
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what is a heart murmur? ......ANSWER......a heart murmur is the sound
of a faulty action when the valves close
what is ischemia ......ANSWER......it is death to an area of the heart
when someone feels pain in the heart its because?
......ANSWER......when someone feels pain in the heart it is because
inadequate blood flow to the heart muscle
what does MI stand for? ......ANSWER......MI stands for a myocardial
infarction
what is one of the major causes of heart failure? ......ANSWER......one of
the major causes of heart failure is untreated blood pressure
What is a myocardial infarction? ......ANSWER......a myocardial infarction
is when the myocardial tissue suffers death to an area because of
insufficient heart blood flow
what is a major atherosclerosis ......ANSWER......it is the buildup of fat
deposits on the walls of the arteries leading to coronary arteries
who invented the electrocardiograph? ......ANSWER......Willem
Einthoven and he is a Dutch Physiologist
pg. 3
EKG CERTIFICATION/NATIONAL EXAM QUESTIONS
WITH SOLUTION GUIDE (A+ GRADED 100%
VERIFIED) LATEST VERSION 2026
when the heart goes down to 40-60 beats per minute where is the
impulse generated ? ......ANSWER......usually in the AV Node
which blood vessel leaves the heart and carries to all parts of the body?
......ANSWER......Aorta
when measuring the height of peaks in an EKG what number does each
large square represent? ......ANSWER......5 millimeters by 5 millimeters
each small square in an EKG is? ......ANSWER......0.04 seconds
how can you calculate each heart rate of an EKG rate?
......ANSWER......count the number of complete complexes in a 3 or 6
interval and multiply by 20 or 10
if the ventricles are in the systole phase what is happening?
......ANSWER......they are pumping the blood out of the chamber by
contraction
pg. 1
,2|Page
what is the membrane inclosing the heart? ......ANSWER......it is the
pericardial sac
what are the pericardial leads? ......ANSWER......they are chest leads
normal standard is? ......ANSWER......10 millimeters
what are leads? ......ANSWER......they are the colored wires that are put
on a patients limbs
what is AVL ? ......ANSWER......AVL is the difference in the hearts voltage
what is AVF? ......ANSWER......AVF is the difference in the hearts voltage
between the left leg and midpoint between left leg and right arm
what does V1 through V6 record? ......ANSWER......V1 through V6
records hearts voltage from the front to the back of the heart, recorded
from the central point of the heart
What is a sinus arrhythmia? ......ANSWER......it is changes in breathing
what does the term systole mean? ......ANSWER......flatline (death)
pg. 2
, 3|Page
what is a heart murmur? ......ANSWER......a heart murmur is the sound
of a faulty action when the valves close
what is ischemia ......ANSWER......it is death to an area of the heart
when someone feels pain in the heart its because?
......ANSWER......when someone feels pain in the heart it is because
inadequate blood flow to the heart muscle
what does MI stand for? ......ANSWER......MI stands for a myocardial
infarction
what is one of the major causes of heart failure? ......ANSWER......one of
the major causes of heart failure is untreated blood pressure
What is a myocardial infarction? ......ANSWER......a myocardial infarction
is when the myocardial tissue suffers death to an area because of
insufficient heart blood flow
what is a major atherosclerosis ......ANSWER......it is the buildup of fat
deposits on the walls of the arteries leading to coronary arteries
who invented the electrocardiograph? ......ANSWER......Willem
Einthoven and he is a Dutch Physiologist
pg. 3
