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Electrical Conduction System of the Heart Quiz

Electrical conduction system of the heart quiz for students! In nursing school, especially in your pathophysiology or anatomy class, you will have to know how the Sinoatrial node (SA node), Atrioventricle node (AV node), Bundle of His, right and left bundle branches, and Purkinje fibers work to make the heart contract. After contraction of the heart due to the electrical system, which contributes to the blood flow of the heart throughout the body, it must supply your tissues, organs, and brain with the nutrients it needs to function. how-to-remember-electrical-system-of-the-heart

Video Tutorial on Electrical System of the Heart

Quiz on Electrical System of the Heart

Quiz on the Electrical Conduction System of the Heart Anatomy & Pathophysiology

This quiz will test your knowledge on the electrical system of the heart. You will be tested on your ability to differentiate between the SA & AV nodes, purknije fibers, bundle branches, and how they conduct electricity to the heart for repolarization and depolarization.

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Electrical Conduction System of the Heart Quiz

1. What area of the heart’s electrical conduction is known as the “pacemaker” of the heart?
A. SA node B. AV node C. Purknije Fibers D. Bundle of His
The answer is: A. SA node
2. What area of the heart is responsible for the delay of conduction between the artria and ventricles?
A. AV node B. Bundle of His C. Bachmann’s Bundle D. Right bundle branch
The answer is: A. AV node
3. True or False: Bachmann’s bundle is located in the left atrium.
A. True B. False
The answer is True.
4. True or False: Depolarization of the heart muscle is when the muscle contracts and repolarization is when the heart muscle rests.
True False
The answer is True.
5. The SA node fires at a rate of?
A. 80-90 bpm B. 40-60 bpm C. 60-100 bpm D. 60-80 bpm
The answer is: C. 60-100 bpm
6. On an EKG the P-wave represents what area of the heart?
A. Left bundle branch B. AV node C. Bachmann’s Bundle D. SA node
The answer is: D. SA node
7. What part of the heart’s electrical system is known as the “gatekeeper”?
A. AV node B. Gap Junction C. Tetany D. SA node
The answer is: A. AV node
8. What area of the heart forms the PR segment on the EKG?
A. Purkinje fibers B. AV node and Right and Left Bundles C. Apex of heart D. Bundle of His
The answer is: B. AV node and Right and Left Bundles
9. What area of the heart forms the QRS part on an EKG?
A. Purkinje fibers B. Left and right bundles C. AV node D. SA node
The answer is: A. Purkinje fibers
10. True or False: The SA node is located in the Left atrium.
A. False B. True
The answer is False: It is located in the right atrium NOT the left.
11. What is the correct sequence of electrical conduction of the heart?
A. SA node, internodal pathways, AV node, Bundle of His, Right and Left Bundle Branch, Purkinje fibers B. AV node, internodal pathways, SA node, Bundle of His, Right and Left Bundle Branch, Purkinje fibers C. SA node, internodal pathways, AV node, Purkinje Fibers, Right and Left Bundle Branch, Bundle of His D. None of the options are correct
The answer is: A. SA node, internodal pathways, AV node, Bundle of His, Right and Left Bundle Branch, Purkinje fibers
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