the cardiac cycle

Question 1

when do heart valves produce a sound?

Answer 1

when they shut - normally don’t produce a sound when they open

Question 2

what is the cardiac cycle?

Answer 2

refers to all events that occur from the begginign of one beat to the beginning of the next

Question 3

define diastole

Answer 3

the heart ventricles are relaxed and filled with blood

Question 4

define systole

Answer 4

the heart ventricles contract and pump blood into the: aorta (LV) and pulmonary artery (RV)

Question 5

what are the 5 main events during the cardiac cycle

Answer 5

1. passive filling
2. atrial contraction
3. isovolumetric centricular contracion
4. ventrocular ejection
5. isovolumetric ventricular relaxation