严重骨盆骨折,内出血量可达全身血量的()。 ["20%~30%","30%~40%","40%~50%","50%~60%","60%以上"]
男性,26岁。右颈部外伤术后出现右侧瞳孔缩小,上眼睑下垂,眼球内陷。最可能的原因是()。 ["喉返神经损伤","迷走神经损伤","臂丛神经损伤","颈交感神经损伤","膈神经损伤"]
下牙槽神经阻滞麻醉时针尖深入组织未及骨面,应该采取的措施是() ["拔出针,重新注射","退出1cm,加大角度刺入","退出1cm,减小角度刺入","退至黏膜下,减小角度刺入","退至黏膜下,加大角度刺入"]
下牙槽神经阻滞麻醉后病人发生了暂时性牙关紧闭是因为() ["麻醉了降颌肌神经","麻醉了升颌肌神经","麻醉了下颌舌骨肌神经","麻药注入翼内肌或咬肌","癔病发作"]
一般血型抗原是红细胞膜上的:() ["糖原","蛋白质","磷脂","脂蛋白","糖脂或脂蛋白"]
急性肾小球肾炎水毒内闭证的治疗方剂为()。急性肾小球肾炎风水相搏证的治疗方剂为()。