Multiple Choice
In the electrical conduction system of the heart, which structure normally serves as the pacemaker by initiating the heartbeat?
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18. The Heart
Electrical Conduction System of the Heart
Back18. The Heart
Electrical Conduction System of the Heart
- Multiple ChoiceWhich component of the heart's electrical conduction system is responsible for initiating the heartbeat?270views
- Multiple ChoiceIn which situation should synchronized cardioversion be used?463views
- Multiple ChoiceWhich of the following is not part of the intrinsic conduction system of the heart?189views
- Multiple ChoiceWhich of the following is the correct sequence of components in the heart's electrical conduction system?93views
- Multiple ChoiceWhich of the following is not part of the cardiac conduction system?310views
- Multiple ChoiceWhich of the following receive(s) blood during ventricular systole?254views
- Multiple ChoiceWhy are gap junctions a vital part of the intercellular connection of cardiac muscles?407views
- Multiple ChoiceWhich of the following correctly lists the main components of the cardiac conduction system in the order that an electrical impulse travels through the heart?139views
- Multiple ChoiceWhich of the following represents ventricular depolarization in the heart's electrical conduction system?262views
- Multiple ChoiceWhat is the priority intervention for a patient in ventricular fibrillation?291views
- Multiple ChoiceWhy is the QRS complex larger than the P wave in an electrocardiogram (ECG)?312views
- Multiple ChoiceWhich of the following is the correct sequential path of an action potential in the heart?306views
- Multiple ChoiceWhich of the following minerals is especially important for maintaining proper heart rhythm?255views
- Multiple ChoiceWhich structure is the normal pacemaker of the heart, initiating the electrical impulse that sets the rhythm under normal conditions?4views