老年人患抑郁症时,有以下因素者预后较好() ["病期较短","在70岁后才发病","以往适应良好","较少","仅有轻度认知障碍者"]
患者女,35岁,有消化性溃疡病史,今日出现呕血及黑粪,患者出冷汗,脉搏细速,呼吸浅促,血压下降,估计出血量为() ["400~500ml","500~600ml","600~700ml",">800ml","300~400ml"]
寐中汗出,醒来自止者为() ["脱汗","黄汗","战汗","盗汗","自汗"]
大汗淋漓,精神萎靡,四肢厥冷,脉微欲绝者为() ["脱汗","黄汗","战汗","盗汗","自汗"]
窗宽100HU窗位为40HU时,所包含CT值为()。 ["-10~90HU","-60~90HU","-40~40HU","-60~140HU","40~140HU"]
简述“持续改进”可利用的七个活动。