在Mapleson系统中,控制呼吸时重复吸入最少,新鲜气流利用效率最高的是() ["MaplesonA","MaplesonB","MaplesonC","MaplesonD","MaplesonE"]
下列有关肺转移瘤的描述,错误的是() ["血行转移,最常见的转移方式","淋巴转移,常见于消化系统肿瘤","直接侵犯,多源自胸膜、纵隔恶性肿瘤","血行转移,均为多发圆形结节影","原发性肝癌常发生肺转移"]
低钾型周期性瘫痪发作期治疗下面哪项是正确的() ["快速口服补钾","静脉补钾","乙酰唑胺","皮质类固醇","保钾类利尿剂(氨体舒通)"]
患者男,50岁,|56缺失,拟行可摘局部义齿修复,|347做基牙,行支托凹预备 ["['['
下列支托类型中,不是设计在咬合面的支托的是()。A.邻间钩型
支托","延长型
支托","联合支托","切支托","横贯基牙
面型支托"]
影响污秽绝缘子闪络的主要因素是()。 ["污秽程度;","大气湿度;","爬电距离;","绝缘子直径。"]
麦氏点压痛常见于何种疾病?