Multiple Choice
During which phase of the cardiac cycle is ventricular pressure greater than aortic pressure?
18. The Heart
Cardiac Cycle
Back18. The Heart
Cardiac Cycle
- Multiple ChoiceAn increase in stroke volume is a result of which of the following?
- Multiple ChoiceWhich event in the cardiac cycle is most directly responsible for producing the first heart sound (S1)?
- Multiple ChoiceWhich of the following would decrease stroke volume?
- Multiple ChoiceDuring which phase of the cardiac cycle are all four heart valves open?
- Textbook Question
More than one choice may apply.
Which heart chamber pumps blood with the greatest amount of force?
a. Right atrium
b. Right ventricle
c. Left atrium
d. Left ventricle
- Multiple ChoiceThe cardiac cycle includes all the events that occur during one complete ________.
- Multiple ChoiceWhat is the cardiac output of a person with a heart rate of 60 beats per minute (bpm) and a stroke volume of 90 mL?
- Multiple ChoiceThe QRS complex on the ECG represents which of the following events in the cardiac cycle?
- Textbook Question
More than one choice may apply.
Given a volume of 150 ml at the end of diastole, a volume of 50 ml at the end of systole, and a heart rate of 60 bpm, the cardiac output is
a. 600 ml/min
b. 6 liters/min
c. 1200 ml/min
d. 3 liters/min
- Multiple ChoiceWhich of the following are considered events of the cardiac cycle?
- Multiple ChoiceWhich events occur during the atrial contraction and ventricular filling phase of the cardiac cycle?
- Multiple ChoiceThe shutting of the semilunar valves occurs during which phase of the cardiac cycle?
- Multiple ChoiceDuring which phase of the cardiac cycle is the heart filled with blood?
- Multiple ChoiceWhich of the following statements about the cardiac cycle is true?