Term
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Definition
| was the mean delta t for your cardiac cycle (R-R) at rest longer or shorter than the mean delta T of your cardiac cycle immediately following exercise? |
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Term
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Definition
| which subdivision of the autonomic nervous system was responsible for the difference from rest to exercise |
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Term
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Definition
| what was the name of the effector for this change in heart rate |
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Term
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Definition
| which neurotransmitter was released at these cells during the exercise |
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Term
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Definition
| what specific type of receptor did this neurotransmitter bind |
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Term
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Definition
| which ions entered through the channels that opened |
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Term
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Definition
| the entry of these ions caused the cells to become more---- pushing the cells closer to threshold |
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Term
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Definition
| repolarization of ventricles |
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Term
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Definition
| its depression may indicate myocardial ischemia |
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Term
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Definition
| ventricular depolarization and systole |
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Term
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Definition
| depolarization of ventricles and repolarization of atria |
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Term
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Definition
| time between SA node and the AV node |
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Definition
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Term
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Definition
| the normal pacemaker of the heart is the |
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Term
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Definition
| the signal leaves this location and moves to the |
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Term
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Definition
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Term
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Definition
| after leaving the second node, the electrical impulse moves down the----- |
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Term
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Definition
| that divides into the----- |
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Term
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Definition
| these direct the signal down the inter-ventricular septem and finally the------ that direct the impulse up the walls of the ventricles |
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Term
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Definition
| if cells other than the normal pacemaker act to initiate an action potential, they are called---pacemakers |
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Term
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Definition
| is a contraction that is not in rhythm |
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Term
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Definition
| depolarize all contractile cells in hope to coordinate the contraction again |
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Term
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Definition
| abnormally fast resting heart rate |
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Term
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Definition
| abnormally slow resting heart rate |
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Term
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Definition
| as heart rate slows down, the R-R interval gets--- |
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Term
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Definition
| because the time between action potientials---- |
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Term
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Definition
| this change could be stimulated by the action of the neurotransmitter |
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