At a particular stage of the cardiac cycle, the pressure in the right ventricle is less than the pressure in the right atrium and also less than the pressure in the pulmonary artery. Which row is correct?
- Aatrioventricular valve closed, semilunar valve closed
- Batrioventricular valve closed, semilunar valve open
- Catrioventricular valve open, semilunar valve closed
- Datrioventricular valve open, semilunar valve open