EKG NATIONAL EXAM 2026 QUESTIONS
AND ANSWERS
when the heart goes down to 40-60 beats per minute where is the impulse
generated ? - correct answer -usually in the AV Node
which blood vessel leaves the heart and carries to all parts of the body? - correct
answer -Aorta
when measuring the height of peaks in an EKG what number does each large
square represent? - correct answer -5 millimeters by 5 millimeters
each small square in an EKG is? - correct answer -0.04 seconds
how can you calculate each heart rate of an EKG rate? - correct 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? - correct answer -
they are pumping the blood out of the chamber by contraction
what is the membrane inclosing the heart? - correct answer -it is the pericardial
,sac
what are the pericardial leads? - correct answer -they are chest leads
normal standard is? - correct answer -10 millimeters
what are leads? - correct answer -they are the colored wires that are put on a
patients limbs
what is AVL ? - correct answer -AVL is the difference in the hearts voltage
what is AVF? - correct 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? - correct 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? - correct answer -it is changes in breathing
, what does the term systole mean? - correct answer -flatline (death)
what is a heart murmur? - correct answer -a heart murmur is the sound of a
faulty action when the valves close
what is ischemia - correct answer -it is death to an area of the heart
when someone feels pain in the heart its because? - correct answer -when
someone feels pain in the heart it is because inadequate blood flow to
the heart muscle
what does MI stand for? - correct answer -MI stands for a myocardial infarction
what is one of the major causes of heart failure? - correct answer
-one of the major causes of heart failure is untreated blood pressure
What is a myocardial infarction? - correct 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 - correct answer -it is the buildup of fat deposits
on the walls of the arteries leading to coronary arteries
AND ANSWERS
when the heart goes down to 40-60 beats per minute where is the impulse
generated ? - correct answer -usually in the AV Node
which blood vessel leaves the heart and carries to all parts of the body? - correct
answer -Aorta
when measuring the height of peaks in an EKG what number does each large
square represent? - correct answer -5 millimeters by 5 millimeters
each small square in an EKG is? - correct answer -0.04 seconds
how can you calculate each heart rate of an EKG rate? - correct 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? - correct answer -
they are pumping the blood out of the chamber by contraction
what is the membrane inclosing the heart? - correct answer -it is the pericardial
,sac
what are the pericardial leads? - correct answer -they are chest leads
normal standard is? - correct answer -10 millimeters
what are leads? - correct answer -they are the colored wires that are put on a
patients limbs
what is AVL ? - correct answer -AVL is the difference in the hearts voltage
what is AVF? - correct 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? - correct 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? - correct answer -it is changes in breathing
, what does the term systole mean? - correct answer -flatline (death)
what is a heart murmur? - correct answer -a heart murmur is the sound of a
faulty action when the valves close
what is ischemia - correct answer -it is death to an area of the heart
when someone feels pain in the heart its because? - correct answer -when
someone feels pain in the heart it is because inadequate blood flow to
the heart muscle
what does MI stand for? - correct answer -MI stands for a myocardial infarction
what is one of the major causes of heart failure? - correct answer
-one of the major causes of heart failure is untreated blood pressure
What is a myocardial infarction? - correct 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 - correct answer -it is the buildup of fat deposits
on the walls of the arteries leading to coronary arteries
