二尖瓣狭窄时提示肺动脉高压的体征是() ["开瓣音","心尖部舒张期杂音出现得晚","第一心音亢进","心界明显扩大","肺动脉瓣第二心音亢进、分裂"]
正常主胰管内径是() ["≤1mm","≤2mm","≤3mm","≤4mm","≤5mm"]
关于基础体温错误的是()。 ["基础体温无上升改变呈单相曲线提示无排卵","基础体温呈双相曲线提示有排卵","排卵后体温下降缓慢表示黄体发育良好","排卵后体温上升缓慢且升高时间仅维持9~10天就下降表示黄体发育不良","基础体温呈双相,但下降缓慢表示黄体萎缩不全所至的子宫内膜脱落不全"]
较大型黏液瘤主要采用() ["刮治术","单纯截骨术","截骨+植骨术","颌骨矩形切除术","截骨+钛板植入"]
男性66岁患者,大脑中动脉瘤,拟行动脉瘤夹闭术。ECG无明显异常,入室时血压136/80mmHg,心率88次/分。手术中需施控制性降压。如行控制性降压,平均动脉压不宜低于() ["A.50mmHg","60mmHg","80mmHg","90mmHg","100mmHg"]
Horner综合征可见于()()可压迫股神经导致下肢麻木。()患肢通常处于被动屈膝体位。锁骨下搏动性肿块可见于()