Question

Which of these events coincide with ventricular systole?

• A. Atrial diastole
• B. Atrial systole
• C. Joint diastole
• D. Ventricular diastole

Answer 1

Answer:

A. Atrial diastole

• The relaxation of the atria or the atrial diastole coincides with the contraction of the ventricles or the ventricular systole.

• The right and left semilunar valves open up due to the increase in pressure in the ventricles.