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【单选题】Stem Cell Therapy May Help Repair the Heart According to scientists in the USA, stem cell therapy may one day be able to repair the hearts of people with heart failure. Researchers at Pittsburgh Univ...
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】如该患者经治疗后病情继续恶化，出现咯血增多，考虑大咯血，咯血量
A.
＞5ml／24小时
B.
＞50ml／24小时
C.
＞100ml／24小时
D.
＞300ml／24小时
E.
＞500ml／24小时
【单选题】射血分数等于:
A.
心室舒张末期容积(ml)/搏出量(ml)x100%
B.
心室收缩末期容积(ml)/搏出量(m)x100%
C.
搏出量(ml)/心房舒张末期容积(ml)x100%
D.
搏出量(ml)/心室舒张末期容积(ml)xx10%
E.
心室舒张末期容积/体表面积