A. Systolic ejection
B. Isovolumetric relaxation
C. Isovolumetric contraction
D. None of the above
0
Cardiac output is not affected by __________________?
0
Stroke output of each ventricle in normal adult is_____________?
A. Heart rate
B. Peripheral resistance
C. Systolic blood pressure
D. Venous return
0
Normally, the rate of the heart beat in a human is determined by _________________?
A. 30 ml
B. 130 ml
C. 70 ml
D. 5 liters
0
The first heart sound is produced by the_____________?
A. The bundle of His
B. All cardiac muscle
C. The sinoatrial node
D. The cervical ganglion
0
A. Closure of the aortic and pulmonary valves
B. Opening of the aortic and pulmonary valves
C. Closure of the mitral and tricuspid valves
D. Opening of the mitral and tricuspid valves
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