虚劳脾阳虚的主症是（） ["食少便溏","形寒","神疲乏力","舌苔厚腻","脉弱"]
下列哪种疾病属于原发性心肌病（） ["心肌炎","心肌梗死","克山病","缺血性心肌病","高血压性心肌病"]
颈椎骨折脱位，合并颈髓横断伤，早期可能出现（） ["A.呼吸衰竭","B.空气栓塞","C.截瘫的肢体肌肉萎缩","D.下肢关节畸形","E.心衰"]
虚劳辨证的纲目是（） ["阴阳气血为纲","先天后天为纲","营卫气血为目","三焦辨证为目","五脏虚候为目"]
骨折整复的原则是（） ["近端对远端","远端对近端","两端互对","两端相互重叠","两端分离"]
哪些生理因素可引起红细胞和血红蛋白增加或减少？
