主动脉瓣关闭不全病人麻醉中哪种心律最不好() ["窦性心律120次/分","窦性心律55次/分","交界心律100次/分","室性早搏8~10次/分","心房纤颤,心室率120次/分"]
临床上常见的哪一类根尖周炎() ["A.急性根尖周炎浆液期","B.急性根尖周炎化脓期","C.根尖脓肿","D.急性根尖周炎","E.慢性根尖周炎"]
体外循环中最不常发生的问题是() ["低血压","高血压","高碳酸血症","低碳酸血症","电解质紊乱和代谢性酸中毒"]
患者,缺失,可摘局部义齿修复1个月。主诉:义齿压痛。检查发现:基牙为双臂卡环固位体,承托区黏膜弥散性红肿义齿压痛的原因是() ["A.义齿咬合高","义齿翘动","基牙无支持作用,义齿下沉","基托伸展不够","基托不贴合"]
腮腺手术中寻找面神经颊支的标志是() ["腮腺上缘","腮腺上前缘","腮腺前缘","耳屏前","腮腺导管"]
脓胸的病理病理变化过程可分为3个时期:()、()和()。