Question

During isovolumetric relaxation, ________.

A) the AV and semilunar valves are closed and ventricular pressure is increasing
B) the AV and semilunar valves are closed and ventricular pressure is decreasing
C) the AV and semilunar valves are open and ventricular pressure is increasing
D) the AV and semilunar valves are open and ventricular pressure is decreasing
E) the AV valves are open, the semilunar valves are closed, and ventricular pressure is decreasing

Answer 1

During isovolumetric relaxation, the AV valves are closed, the semilunar valves are closed, and ventricular pressure is decreasing.

Step-by-step explanation:

During isovolumetric relaxation, the AV valves are closed while the semilunar valves are also closed. Additionally, ventricular pressure is decreasing during this phase.