直径为多少的眶内铁质异物平片可显示() ["A．1mm以上","B．0.5mm以上","C．0.8mm以上","D．1.2mm以上","E．0.3mm以上"] 最容易导致周围循环衰竭的是()急性肾衰竭少尿期摄入水分过多可发生() ["A．高渗性脱水","B．低渗性脱水","C．等渗性脱水","D．全身性水肿","E．水中毒"] 下列眶内病变诊断要点，哪项不对() ["A．甲状腺突眼：可以单侧或双侧","B．眶内血管瘤：偶可见到静脉石","C．眶内静脉曲张：间歇性突眼","D．眶内炎性假瘤：平片无异常发现","E．横纹肌肉瘤：眶骨破坏"] 慢性化脓性中耳乳突炎单纯型X线表现中，下列说法哪项错误() ["A．乳突窦及其周围骨质硬化增生","B．锤骨或砧骨骨质破坏","C．乳突气房透光度减低","D．气房间隔骨质增厚、结构模糊","E．乳突气房外围骨质有明显增生"] "眼窝变小"见于下列哪种情况() ["A．甲状腺性突眼","B．先天性青光眼","C．组织细胞增生症","D．冠状缝早闭","E．视网膜母细胞瘤"] 轻度缺氧吸氧的流量为重度缺氧吸氧的流量为()氧气雾化吸入时氧气流量为()