如吸入高温气体后患者出现声嘶、喉痛、剧烈咳嗽、脓血痰时，提示患者病情的分型应为() ["A．轻型","B．中型","C．重型","D．无法分型","E．行支气管镜检查确定"]
何谓真值、定值、准确度及精密度?
以下关于脐肉芽肿的论述，哪些是正确的() ["A．与脐部慢性感染有关","B．与异物刺激脐部有关","C．属于恶性疾病","D．硝酸银烧灼有效","E．有遗传倾向"]
预防新生儿硬肿症的措施有() ["A．避免早产、窒息、产伤","B．注意保暖","C．供给足够热量","D．预防感染","E．纠正器官功能紊乱"]
I治疗甲状腺癌必要条件是() ["A．I全身显像中发现聚碘的转移灶","B．转移灶存在，但不摄碘","C．癌肿位于甲状腺，但无转移","D．甲状腺髓样癌","E．甲状腺髓样癌转移"]
何谓卡方检验?
