Cardiac Physiology Quiz

During which phase of diastole do the AV valves open?

• Rapid filling phase

• Diastasis

• Atrial kick

• Passive filling phase

What is the last phase of diastole called?

• Rapid filling phase

• Diastasis

• Atrial kick

• Active filling phase

Which phase of systole is characterized by all valves being closed and no blood flow?

• Isovolumetric contraction

• Ventricular ejection

• Protodiastole

• Isovolumetric relaxation

What causes the semilunar valves to open during systole?

• High ventricular pressure

• Low ventricular pressure

• Atrial contraction

• Atrial depolarization

Which part of the EKG represents atrial depolarization?

• P Wave

• PR Interval

• QRS Complex

• QT Interval