阿摩線上測驗
14. Which event occurs after the first heart sound and before the second heart sound?
(A) ventricular relaxation
(B) P wave of the ECG
(C)AV valves open
(D) aortic systolic pressure E) blood volume in ventricle increases
答案：登入後查看
統計： A(1), B(1), C(0), D(1), E(0) #3426523
統計： A(1), B(1), C(0), D(1), E(0) #3426523
