Fifth Phase Flashcards
1
Q
What is the fifth phase called?
A
Atrial relaxation and ventricle filling
2
Q
What happens to the chambers in the fifth phase?
A
Atria and ventricles relax
3
Q
What happens to the pressure in the fifth phase?
A
Atrial pressure and arterial trunk pressure increase
4
Q
What happens to the valves in the fifth phase?
A
AV valves open and semilunar valves closed
