腰椎穿刺术后须去枕平卧4~6小时,其目的是为防止()。
A.穿刺部位出血
B.穿刺部位感染
C.低压性头痛
D.颅内感染
E.脑脊液外漏
参考答案:C
He insisted that he ____right, and so he insisted that his plan ____carried out at once.[ ]
A. was; be
B. be; would be
C. was; was
D. be; should be
女性,45岁,胆囊结石5年,曾胆绞痛发作3次,B超示胆囊结石5枚,直径1-2cm,首选的治疗方法是()。
A.胆囊切除
B.溶石治疗
C.体外震波碎石治疗
D.抗感染治疗
E.排石治疗