麻醉气体的肺泡浓度() ["不依赖肺容量","与肺泡通气量有关","与呼吸频率有关","与血液摄取有关","与肺顺应性有关"]
简述贫血的程度分类。
主要兴奋对侧颈肌,抑制同侧颈肌活动()主要兴奋躯干和肢体的伸肌,在调节身体平衡中起作用()主要协同眼球的运动和头、颈的运动()主要参与对躯干和肢体近端肌肉运动的控制()控制四肢屈肌活动() ["顶盖脊髓束","内侧纵束","网状脊髓束","皮质脊髓侧束","红核脊髓束"]
慢性根尖周炎的确诊依据是() ["A.患牙反复肿痛史","B.咀嚼不适感","C.叩诊异样感","D.牙髓无活力","E.根尖周X线透射影"]
细胞间液的主要阳离子是() ["Na+","K+","Mg2+","Ca2+","Mn2+"]
简述血小板减少性紫癜的实验室检查特点。