生理学习题库第四章 血液循环（Physical learning inventory, fourth chapter, blood circulation）.doc

生理学习题库第四章 血液循环（Physical learning inventory, fourth chapter, blood circulation） Physical learning inventory, fourth chapter, blood circulation Release time: 2006-06-08 Physical learning inventory, fourth chapter, blood circulation In the 1 cardiac cycle, the fastest phase of the pressure rise in the left ventricle is in the A atrial systole B isometric contraction phase C rapid ejection phase D slows the ejection phase - E rapid filling phase 2 ventricular cycle, ventricular blood filling is mainly due to The gravity action of A blood The extrusion action of B atrial contraction C intrapleural negative pressure D ventricular diastolic aspiration E skeletal muscle extrusion 3 heart cycle refers to A mechanical cycle of heart B cardiac bioelectric activity cycle C cycle of heart sounds D heart rate change cycle E indoor pressure variation cycle The 4 heart index refers to which of the following calculated cardiac output A unit weight B height per unit C unit surface area D unit age E unit energy consumption rate 5 factors contributing to increased ejection fraction A increased ventricular end diastolic volume B elevated arterial pressure C heart rate slowing D myocardial contractility increased E rapid ejection phase shortening 6 indicators of heart health are A per minute output B heart index C ejection fraction D cardiac work volume E cardiac reserve 7 used to analyze and compare the heart function of individuals of different shapes is commonly used indicators A per minute output B heart index C ejection fraction D cardiac work volume E cardiac reserve 8 commonly used indicators of cardiac pump function among individuals with different arterial blood pressure values are A per minute output B heart index C ejection fraction D cardiac work volume E cardiac reserve 9 the reason why the myocardium does not produce complete tetanic contraction is the myocardium A is functional syncytial B sarcoplasmic reticulum is undeveloped and Ca2+ is less C has self-discipline D is al