Q31. The sinoatrial node is located in:
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Q32. In the cardiac conduction system, impulse delay occurs in:
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Q33. Stroke volume is normally about:
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Q34. Which ion channel is mainly responsible for cardiac action potential depolarization?
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Q35. The time between two successive heartbeats is called:
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Q36. Coronary arteries supply blood to:
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Q37. The AV node is located in the:
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Q38. What causes the heart to contract?
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Q39. Which of the following has the fastest conduction velocity?
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Q40. Which technique provides electrical mapping of heart activity?
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