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Questions and Answers
What is the duration of the cardiac cycle at a heart rate of 75 beats per minute?
What is the duration of the cardiac cycle at a heart rate of 75 beats per minute?
- 1.5 seconds
- 1 second
- 0.5 seconds
- 0.8 seconds (correct)
During atrial systole, what happens to ventricular pressure?
During atrial systole, what happens to ventricular pressure?
- It remains constant
- It increases slightly (correct)
- It becomes zero
- It decreases significantly
What happens to aortic pressure during atrial systole?
What happens to aortic pressure during atrial systole?
- It increases gradually (correct)
- It remains constant
- It decreases slightly
- It becomes zero
What happens to ventricular volume during atrial systole?
What happens to ventricular volume during atrial systole?
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During the isometric contraction phase, what happens to ventricular pressure?
During the isometric contraction phase, what happens to ventricular pressure?
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What happens to ventricular volume during the isometric contraction phase?
What happens to ventricular volume during the isometric contraction phase?
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During the rapid ejection phase, what happens to ventricular pressure?
During the rapid ejection phase, what happens to ventricular pressure?
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What happens to aortic pressure during the rapid ejection phase?
What happens to aortic pressure during the rapid ejection phase?
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During the rapid ejection phase, what happens to atrial pressure?
During the rapid ejection phase, what happens to atrial pressure?
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What is the duration of the rapid ejection phase?
What is the duration of the rapid ejection phase?
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