Electrical Conduction System of the Heart Quiz PDF

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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 artrium 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 artrium. 

True



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. 

False



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...