試題詳解

78. The correct sequence of the cardiac cycle in a healthy adult human is _____. (1. atrial systole and ventricular diastole 2. ventricular systole and atrial diastole 3. atrial and ventricular systole 4.atrial and ventricular diastole)
(A) 1 → 3→2
(B) 4 → 1 → 2
(C) 4 → 2 → 1
(D) 2 → 4 → 3
(E) 1 → 4 → 3