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Questions and Answers
What is the effect of parasympathetic stimulation on AV conduction velocity?
What is the effect of parasympathetic stimulation on AV conduction velocity?
- Decrease in conduction velocity (correct)
- Complete block of conduction
- Increase in conduction velocity
- No effect on conduction velocity
What is the effect of parasympathetic stimulation on heart rate?
What is the effect of parasympathetic stimulation on heart rate?
- Increase in heart rate
- Initial increase followed by decrease in heart rate
- No effect on heart rate
- Decrease in heart rate (correct)
What is the effect of parasympathetic stimulation on atrial contractility?
What is the effect of parasympathetic stimulation on atrial contractility?
- Increase in atrial contractility
- Initial increase followed by decrease in atrial contractility
- No effect on atrial contractility
- Decrease in atrial contractility (correct)
What is the effect of parasympathetic stimulation on cardiac excitability?
What is the effect of parasympathetic stimulation on cardiac excitability?
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What is the effect of parasympathetic stimulation on ventricular contraction and relaxation?
What is the effect of parasympathetic stimulation on ventricular contraction and relaxation?
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What is the negative dromotropic effect of parasympathetic stimulation?
What is the negative dromotropic effect of parasympathetic stimulation?
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What is the effect of muscarinic cholinergic receptor stimulation on K+ channels?
What is the effect of muscarinic cholinergic receptor stimulation on K+ channels?
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What is the effect of K+ channel opening on the SA node cell?
What is the effect of K+ channel opening on the SA node cell?
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What is the normal range of AV conduction time?
What is the normal range of AV conduction time?
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What is the effect of parasympathetic stimulation on the funny current and T-type Ca2+ channels?
What is the effect of parasympathetic stimulation on the funny current and T-type Ca2+ channels?
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