Which of the Following Is the Proper Sequence of the Electrical

question 13

Multiple Choice

Which of the following is the proper sequence of the electrical impulse through the heart?

• A) SA node → AV node → Purkinje fibers → right and left bundle branches → Bundle of His
• B) Bundle of His → AV node → SA node → right and left bundle branches → Purkinje fibers
• C) SA node → AV node → Bundle of His → right and left bundle branches → Purkinje fibers
• D) AV node → SA node → right and left bundle branches→ Bundle of His → Purkinje fibers

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Definitions:

Neurons

Specialized cells in the nervous system that transmit information through electrical and chemical signals.

Myelin Sheath

A fatty covering that surrounds axons of some nerve cells, facilitating faster transmission of electrical impulses.

Myelin

A fatty substance that surrounds neurons' axons, helping to speed up the transmission of electrical signals in the nervous system.

Neurons

Electrically excitable cells in the nervous system that process and transmit information through electrical and chemical signals.