AP 8-7: Conduction System of the Heart

What path does an electric impulse travel as it passes through the heart?

• AV Node

• Bundle Branches

• SA Node

• Purkinje Fibers

• AV Bundle

Where is the sinoatrial node?

(a)  

Where is the left bundle ?

(a)  

Where are the Purkinje fibers?

(a)  

Where is the atrioventricular node?

(a)  

What node is responsible for coordinating the contraction of the atria?

• Bundle of His

• SA node

• Left bundle branch

• AV node

• Right bundle branch

Where is the bundle of His ?

(a)  

Where is the atrioventricular node?

(a)  

This refer to what happen to the heart during the different phases of an electrocardiography. Match the following

• The atria contracts

• QRS complex

• The atria fill with blood

• P wave

• The ventricles contacts

• T wave

Match the numbered features of this electrocardiograph with the appropriate name.

• 1

• P wave

• 2

• T wave

• 3

• QRS complex