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Electrical Coordination of the Heartbeat

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Electrical Coordination of the Heartbeat

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Questions and Answers

What is the term used to describe the heartbeat originating from within the cardiac muscle itself?

Myogenic (correct)

Endogenic

Cardiogenic

Myocardial

Which structure in the heart is commonly known as the pacemaker?

Bundle of His

Sino-atrial node (correct)

Atrio-ventricular node

Purkinje fibers

Where is the Atrio-ventricular node (AVN) located in the heart?

Right atrium (correct)

Right ventricle

Left ventricle

Left atrium

What prevents the direct transmission of electrical activity from the atria to the ventricles in the heart?

Non-conducting tissue Signup and view all the answers

What function does the delay at the Atrio-ventricular node (AVN) serve in the heart's conduction system?

To slow down electrical transmission Signup and view all the answers

Where does the electrical activity travel after passing through the Atrio-ventricular node (AVN) in the heart?

Purkinje fibers Signup and view all the answers

Which node is responsible for emitting waves of electrical activity to stimulate atrial contraction in the heart?

Sino-atrial node Signup and view all the answers

What is the purpose of having a layer of non-conducting tissue between the atria and ventricles in the heart?

To slow down electrical transmission Signup and view all the answers

Why must electrical activity pass through the AV node before reaching the ventricles in the heart?

To allow time for atrial contraction before ventricular contraction Signup and view all the answers

What is the final destination of electrical activity after passing through the bundle of His in the heart?

Purkinje fibers in ventricle walls Signup and view all the answers