22. Choose the correct sequence of action potential conduction along the conductive tissues of the heart: Â Â Â Â Â Â Â a....

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22. Choose the correct sequence of action potentialconduction along the conductive tissues of the heart:
Â Â Â Â Â Â Â a. SA node â†’ AV node â†’Bundle of His â†’ Purkinje fibers â†’ Bundle branches
Â Â Â Â Â Â Â b. SA node â†’ AV node â†’Bundle of His â†’ Bundle branches â†’ Purkinje fibers
Â Â Â Â Â Â Â c. SA node â†’ AV node â†’Bundle branches â†’ Bundle of His â†’ Purkinje fibers
Â Â Â Â Â Â Â d. SA node â†’ AV node â†’Purkinje fibers â†’ Bundle of His â†’ Bundle branches
Â Â Â Â Â Â Â e. AV node â†’ SA node â†’Bundle of His â†’ Bundle branches â†’ Purkinje fibers

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22 Choose the correct sequence of action potential conduction along the conductive tissues of the heart Answer b SA node AV node Bundle of His Bundle branches Purkinje fibers Explanation The electrical impulse in the heart originates in sinoatrial node SA node which is a group of specialised cardiac muscle See Answer

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