WorksheetsLayers of the Heart/Conduction of the Heart
Total questions: 14
Worksheet time: 7mins
Another name for the pericardium layer is the
myocardium
endocardium
epicardium
The muscular middle layer of the heart is called the
epicardium
myocardium
pericardium
endocardium
The heart layer that keeps blood from sticking to the inside of the heart and forming potentially deadly blood clots is called
endocardium
pericardium
myocardium
epicardium
What area of the heart's electrical conduction is known as the "pacemaker" of the heart?
Purknife fibers
SA node
Bundle of his
Bachmann's bundle
What area of the heart is responsible for the delay of conduction between the atrium and ventricles?
Right bundle branch
AV node
Bundle of his
Bachmann bundle
True or False: Bachmann's bundle is located in the left atrium.
True
False
True or False: Depolarization of the heart muscle is when the muscle contracts and repolarization is when the heart muscle rests.
True
False
The SA node fires at a rate of
40-60 bpm
80-90 bpm
60-80 bpm
60-100 bpm
On an EKG, the P-wave represents what area of the heart?
Left bundle branch
AV node
SA node
Bachmann's bundle
What part of the heart's electrical system is known as the "gatekeeper?"
AV node
Gap junction
Tetany
SA node
What area of the heart forms the PR segment on the EKG?
AV node and right and left bundles
Purkinje fibers
Apex of heart
Bundle of his
What area of the heart forms the QRS part on the EKG?
Purkinje fibers
Left and right bundles
AV node
SA node
True and False: The SA node is located in the left atrium.
True
False
What is the correct sequence of electrical conduction of the heart?
AV node, internodal pathways, SA node, Bundle of his, right and left bundle branch, Purkinje fibers.
SA node, internodal pathways, AV node, Purkinje fibers, right and left bundle branches, Bundle of his.
SA node, internodal pathways, AV node, Bundle of his, right and left bundle branches, Purkinje fibers.
None of the options are correct.
