All four heart valves are briefly closed as pressure begins to rise in the ventricles, a phase known as ________.

Name: All four heart valves are briefly closed as pressure begins to rise in the ventricles, a phase known as ________.
Brand: Quizplus
Rating: 4.9 (50 reviews)

Question

Quizplus · Accepted Answer

During the isovolumetric contraction phase, all four heart valves are closed as the pressure begins to rise in the ventricles, which allows the ventricles to contract and increase their pressure without ejecting any blood yet.

All Four Heart Valves Are Briefly Closed as Pressure Begins