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Questions and Answers
What is the duration of the whole cardiac cycle when the heart rate is 75 beats per minute?
What is the duration of the whole cardiac cycle when the heart rate is 75 beats per minute?
- 0.8 seconds (correct)
- 0.6 seconds
- 1.0 seconds
- 1.2 seconds
During which phase of the cardiac cycle does ventricular diastole occur?
During which phase of the cardiac cycle does ventricular diastole occur?
- Slow filling phase (correct)
- Rapid filling phase
- Rapid ejection phase
- Isometric contraction phase
What characterizes the Atrial diastolic phase of the cardiac cycle?
What characterizes the Atrial diastolic phase of the cardiac cycle?
- Rapid filling phase (correct)
- Maximal ejection phase
- Isometric relaxation
- Increase in ventricular pressure
Which ventricular phase is associated with AV valves being open and semilunar valves closed?
Which ventricular phase is associated with AV valves being open and semilunar valves closed?
What occurs during the Isometric (isovolumic) contraction phase of the ventricular systole?
What occurs during the Isometric (isovolumic) contraction phase of the ventricular systole?
Which statement best describes the Atrial systolic phase?
Which statement best describes the Atrial systolic phase?
What is the characteristic feature of the Rapid (Maximal) ejection phase during the cardiac cycle?
What is the characteristic feature of the Rapid (Maximal) ejection phase during the cardiac cycle?
Which parameter is not monitored during the cardiac cycle?
Which parameter is not monitored during the cardiac cycle?
During the isometric (isovolumic) contraction phase, what happens to the ventricular volume?
During the isometric (isovolumic) contraction phase, what happens to the ventricular volume?
What is the characteristic heart sound during the slow (reduced) ejection phase?
What is the characteristic heart sound during the slow (reduced) ejection phase?
What is the main function of the semilunar valves during the ejection phase?
What is the main function of the semilunar valves during the ejection phase?
Which phase marks the beginning of ventricular relaxation?
Which phase marks the beginning of ventricular relaxation?
What happens to the atrial pressure during the rapid (Maximal) filling phase?
What happens to the atrial pressure during the rapid (Maximal) filling phase?
What change occurs in the aortic pressure during the isometric (isovolumic) relaxation phase?
What change occurs in the aortic pressure during the isometric (isovolumic) relaxation phase?
What defines the duration of the slow (Reduced) ejection phase?
What defines the duration of the slow (Reduced) ejection phase?
Which wave is seen in the ECG during the isometric (isovolumic) relaxation phase?
Which wave is seen in the ECG during the isometric (isovolumic) relaxation phase?
What happens to the ventricular pressure during the rapid (Maximal) ejection phase?
What happens to the ventricular pressure during the rapid (Maximal) ejection phase?
During which phase of the cardiac cycle are all valves closed?
During which phase of the cardiac cycle are all valves closed?
What is the state of the AV and semilunar valves during the rapid ejection phase?
What is the state of the AV and semilunar valves during the rapid ejection phase?
Which phase of the cardiac cycle marks the beginning of the P wave on an ECG?
Which phase of the cardiac cycle marks the beginning of the P wave on an ECG?
What is the characteristic sound heard at the end of the second heart sound during the cardiac cycle?
What is the characteristic sound heard at the end of the second heart sound during the cardiac cycle?
Which phase of the cardiac cycle is associated with a marked increase in ventricular volume?
Which phase of the cardiac cycle is associated with a marked increase in ventricular volume?
What condition occurs when the aortic valve becomes calcified and stiff?
What condition occurs when the aortic valve becomes calcified and stiff?
Where does the jet of blood from aortic stenosis radiate to when the stiffer valve opens?
Where does the jet of blood from aortic stenosis radiate to when the stiffer valve opens?
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