Damage to the AV node would most directly affect:
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Correct answer: Impulse conduction to ventricles
The AV node is the sole electrical gateway between atria and ventricles. Damage impairs or blocks this pathway, disrupting ventricular activation and potentially causing heart block.
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More Cardiac Conduction System (SA, AV Nodes) questions
- Which structure prevents simultaneous contraction of atria and ventricles?
- The rate of impulse generation in the SA node is normally about:
- Which ion plays a major role in spontaneous depolarization of SA node cells?
- The conducting fibers with the fastest impulse transmission speed are:
- Which statement correctly describes cardiac conduction?
- Complete heart block is most likely due to failure of conduction at the: