EKG National Exam 2025/2026 Exam
Questions and Answers | 100% Pass
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
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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,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)
what is a heart murmur? - 🧠 ANSWER ✔✔a heart murmur is the sound of a
faulty action when the valves close
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
, 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
what is the inner layer of the heart called? - 🧠 ANSWER ✔✔endocardium
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
3
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Questions and Answers | 100% Pass
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
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
1
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,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)
what is a heart murmur? - 🧠 ANSWER ✔✔a heart murmur is the sound of a
faulty action when the valves close
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
2
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, 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
what is the inner layer of the heart called? - 🧠 ANSWER ✔✔endocardium
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
3
PRIVACY STATEMENT. ALL RIGHTS RESERVED
