急性肾功能衰竭高钾血症最有效的处理方法是() ["A.限制入水量,使中心静脉压维持在6~10cmH2O之间","B.血液透析","C.注意补镁","D.静脉缓慢注射钙剂","E.服用利尿剂安体舒通"]
下列椎间盘突出征象中,错误的是() ["A.椎间隙宽窄不均","B.脊柱生理曲度消失","C.椎体边缘骨质增生","D.脊柱不稳","E.腰大肌影增宽"]
早期软腭癌治疗手段的选择() ["A.局部切除","B.局部扩大切除+颈淋巴结清扫术","C.放射治疗","D.化学治疗","E.生物治疗"]
急性肾小管坏死少尿期尿液检查常表现为() ["A.尿量<400mL/24h或正常","B.尿相对密度低而固定,多在1.015以下","C.尿渗透压(mOsm/L)>400","D.尿钠含量降低.多在40mmol/L以下","E.尿肌酐与血肌酐之比常<20"]
有关X线束照射野的叙述,错误的是() ["A.X线束具有穿透性","B.摄片时,可将X线照射野适当放大","C.照射野的大小,多用遮线器来控制","D.X线束中心部分的X线称为中心线","E.中心线走向表示着摄片方向"]
手的基本动作分:__________、__________、________、__________、________、________六类。