EKG Chapter 2 - conduction system parts
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| delays the electrical conduction through the heart | AV Node
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| ability of the heart to initiate an electrical impulse | automaticity
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| branches off the bundle of His that conduct impulses to the left and right ventricles | bundle branches
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| ability of the heart cells to receive and transmit an electrical impulse | conductivity
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| an electrical current that initiates the contraction of the heart muscle | depolarization
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| ability of the heart muscle cells to shorten in response to an electrical stimulus | contractility
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| ability of the heart muscle cells to respond to an impulse or stimulus | excitability
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| heart muscle cells return to their resting electrical state and the heart muscle relaxes | repolarization
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| initiates the heartbeat | SA node
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| distribute electrical impulses from cell to cell throughout the ventricles | purkinje fibers
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