EKG national exam Questions
and Answers Verified Solutions
Latest Update (2026/2027)
Question:
when the heart goes down to 40-60 beats per minute where is the impulse
generated?
Answer:
usually in the AV Node
Question:
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?
Question:
Answer:
5 millimeters by 5 millimeters
Question:
,each small square in an EKG is?
Answer:
0.04 seconds
Question:
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
Question:
if the ventricles are in the systole phase what is happening?
Answer:
they are pumping
the blood out of the chamber by contraction
Question:
what is the membrane inclosing the heart?
Answer:
it is the pericardial sac
Question:
,what are the pericardial leads?
Answer:
they are chest leads
Question:
normal standard is?
Answer:
10 millimeters
Question:
what are leads?
Answer:
they are the colored wires that are put on a patients limbs
Question:
what is AVL?
Answer:
AVL is the difference in the hearts voltage
Question:
what is AVF?
Answer:
, AVF is the difference in the hearts voltage between the left leg and
midpoint between left leg and right arm
Question:
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
Question:
What is a sinus arrhythmia?
Answer:
it is changes in breathing
Question:
what does the term systole mean?
Answer:
flatline (death)
Question:
what is a heart murmur?
Answer:
and Answers Verified Solutions
Latest Update (2026/2027)
Question:
when the heart goes down to 40-60 beats per minute where is the impulse
generated?
Answer:
usually in the AV Node
Question:
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?
Question:
Answer:
5 millimeters by 5 millimeters
Question:
,each small square in an EKG is?
Answer:
0.04 seconds
Question:
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
Question:
if the ventricles are in the systole phase what is happening?
Answer:
they are pumping
the blood out of the chamber by contraction
Question:
what is the membrane inclosing the heart?
Answer:
it is the pericardial sac
Question:
,what are the pericardial leads?
Answer:
they are chest leads
Question:
normal standard is?
Answer:
10 millimeters
Question:
what are leads?
Answer:
they are the colored wires that are put on a patients limbs
Question:
what is AVL?
Answer:
AVL is the difference in the hearts voltage
Question:
what is AVF?
Answer:
, AVF is the difference in the hearts voltage between the left leg and
midpoint between left leg and right arm
Question:
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
Question:
What is a sinus arrhythmia?
Answer:
it is changes in breathing
Question:
what does the term systole mean?
Answer:
flatline (death)
Question:
what is a heart murmur?
Answer:
