当血钙低于多少时,可引起手足搐搦() ["1.88~2.04mmo/L(7.5~8.1mg/dl)","1.41~1.51mmo/L(5.5~6.0mg/dl)","1.75~2.04mmo/L(7~8.1mg/dl)","1.51~1.64mmo/L(6.0~6.6mg/dl)","1.75~1.88mmo/L(7~7.5mg/dl)"]
除外哪项,其他均为常见的注意障碍() ["注意增强","注意转移","注意疲劳","注意减退","注意涣散"]
患者,男性,65岁,左膝关节疼痛2年,活动后加重。查:左膝关节粗大,股四头肌萎缩,髌周及胫、腓侧副韧带压痛,浮髌试验(一),X线片可见:关节边缘部及胫骨髁间嵴增生,关节内侧间隙变窄,股骨髁有小的囊性改变。该病人应该断为() ["A.左膝关节骨关节病","左膝关节副韧带损伤","左膝关节肿瘤","左膝脂肪垫劳损","左膝慢性滑膜炎"]
大面积烧伤48h内最主要的全身改变指()。 ["创伤性休克","低血容量休克","毒血症","创面脓毒症","急性肾功能衰竭"]
来自颈内动脉的血管是() ["筛前动脉","蝶腭动脉","眶下动脉","腭大动脉","鼻腭动脉"]
简要病史:女,8岁,头痛、发热2天,喷射性呕吐3次。