12 Questions
What is the term for the phase of the cardiac cycle when the heart muscle contracts and pumps blood?
Stroke volume
Which event causes the dicrotic notch?
A brief rise in aortic pressure when the aortic valve closes
What do chronotropic drugs primarily affect?
Heart rate
Which term refers to abnormal heart sounds due to turbulent blood flow?
Murmurs
What is the volume of blood pumped by the heart per minute known as?
Stroke volume
How do inotropic drugs primarily affect the heart?
Contractility
What term defines the volume of blood pumped by the heart per minute?
Cardiac output
During which phase of the cardiac cycle does the heart muscle relax and fill with blood?
Diastole
Which term refers to the phase of the cardiac cycle when the heart muscle contracts and pumps blood?
Systole
What does the term 'cardiac cycle' refer to?
Complete sequence of events in one heartbeat
Which term represents the complete sequence of events in one heartbeat?
Cardiac cycle
What is specifically defined as the phase of the cardiac cycle when the heart muscle contracts and pumps blood?
Systole
Test your knowledge on cardiac cycle phases with this quiz. Learn the definitions of diastole and systole, key components of the heart's functioning.
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