Answer the questions below using the follwing words: Purkinje fibers, Bundle of

Question

Answer the questions below using the follwing words:

Purkinje fibers, Bundle of His, Left and right bundle branches, Atrioventicular node, Sinoatrial node, Internodal pathway

1. The_____ is the first part of the electrical conduction pathway that is completely within the ventircles.

2. This is the lead(fastest) pacemaker of the heart.

3. The____spreads the signal over the largest portion of the heart.

4. The electrical signal slows down at this point in the conduction pathway to allow the atria to contract fully before the ventricles are cued to contract.

Explanation / Answer

1. Purkinje fibres

2. Sinoatrial node

3. Left and right bundle branches

4. Atrioventricular node

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