The physiological significance of delay in AV node is ()
选项:
A:making the ventricular muscles not to produce the complete tetanus
B:enhancing the contractility of cardiac muscles
C:lengthening the effective refractory period of the ventricular
muscles
D:permitting completion of atrial systole before the ventricular
systole
E:increasing the amplitude of the action potential in the cardiac
muscles
发布时间:2024-05-09 23:10:16