The Following Are Structural Components of the Conducting System of the Heart

question 36

Multiple Choice

The following are structural components of the conducting system of the heart.
1) Purkinje fibers
2) AV bundle
3) AV node
4) SA node
5) bundle branches
The sequence in which excitation would move through this system is

• A) 1, 4, 3, 2, 5.
• B) 3, 2, 4, 5, 1.
• C) 3, 5, 4, 2, 1.
• D) 4, 3, 2, 5, 1.
• E) 4, 2, 3, 5, 1.

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