Conduction System Word Scramble
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Question | Answer |
What are the two systems that regulate heart activity? | Autonomous and Intrinsic Conduction (Nodal System) |
This node is considered the "pacemaker of the heart." | Sinoatrial (SA) node |
This node starts each heartbeat and sets the pace. | Sinoatrial (SA) node |
This node is located in the right atrium. | Sinatrial (SA) node |
This node is located at the junction of the atria and ventricles. | Atrioventricular (AV) node |
The atrioventricular (AV) node is also known as __________. | The Bundle of HIS |
The intrinsic conduction system enforces a contraction rate at about ___ beats per minute. | 75 |
Define cardiac cycle. | Events of one complete heartbeat, where atria and ventricles contract and relax. |
Define cardiac output. | Amount of blood pumped out by each side of the heart in 1 minute. |
Define lub. | First sound caused by CLOSING of AV valves. |
Define dup. | Second heart sound heard when semilunar valves close at end of systole. |
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rad1958tech
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