Q1. Which of the following events occurs during systole?
Hint: Recall that systole is also known as ventricular contraction.
a. maximal arterial pressure
b. the P waveform as recorded by an ECG
c. maximal atrial pressure
d. ventricular relaxation
Q3. During isovolumetric relaxation,
a. the AV and semilunar valves are open and ventricular pressure is decreasing.
b. the AV and semilunar valves are closed and ventricular pressure is decreasing.
c. the AV valves are open, the semilunar valves are closed, and ventricular pressure is decreasing.
d. the AV and semilunar valves are open and ventricular pressure is increasing.
e. the AV and semilunar valves are closed and ventricular pressure is increasing.
