常用99mTc-MDP骨显像的剂量是() ["37~74MBq","74~185MBq","185~370MBq","555~1110MBq","大于1110MBq"]
全口义齿人工牙的排列主要要从哪三方面考虑() ["美观、功能和组织保健","美观、坚固和发音","美观、卫生和舒适","美观、坚固和舒适","美观、切割便利和舒适"]
男性,35岁,稍长距离步行后感右小腿疼痛,肌肉抽搐而跛行,稍休息后症状消失,平时感右足发凉,怕冷,有麻木感。右足背动脉搏动减弱。应考虑()。 ["血栓性静脉炎","深静脉血栓形成","血栓闭塞性脉管炎(营养障碍期)","血栓闭塞性脉管炎(局部缺血期)","动脉粥样硬化症"]
患者男性,38岁,尿毒症,血压185/110mmHg,心率60次/分,ECG显示ST-T波改变,维持血液透析4年,拟行同种异体肾移植手术。采用硬膜外麻醉最佳穿刺点是() ["A.L4-5<\/sub>","T~L1<\/sub>和L1-2<\/sub>间隙","L3-4<\/sub>","T11-12<\/sub>","T11-12<\/sub>和L3-4<\/sub><\/sub12>"]
判断血栓闭塞性脉管炎的闭塞部位的准确方法是()。 ["肢体位置试验","静脉注射硫酸镁10ml","仔细检查肢体各动脉搏动情况","行交感神经阻滞","行动脉造影"]
丹毒的致病菌是()急性蜂窝织炎的致病菌是()新生儿皮下坏疽的致病菌是()