先天性髋脱位骨盆截骨术的麻醉不正确的是() ["骨盆截骨术通常在3~6岁进行","手术的特点是创面大、范围广,渗血凶猛且不易止血","椎管内麻醉,平面于T12以下即可","应严密监测脉搏、血压、CVP、尿量","术毕需行髋人字石膏固定,耗时较长,不宜过早停止麻醉"]
下列哪项是经咽鼓管途径至急性化脓性中耳炎() ["在污水中游泳","不适当的咽鼓管吹张","不适当的擤鼻","鼻腔治疗不当","鼓膜穿孔"]
固阴煎功效补肾调经,主治月水不调,其方出自() ["《备急千金要方》","《傅青主女科》","《景岳全书》","《丹溪心法》","《妇人良方大全》"]
圣愈汤组成是() ["人参、黄芪、当归、红花、熟地、白芍","人参、益母草、川芎、杜仲、酸枣仁、甘草","人参、当归、黄芪、益母草、艾叶、甘草","人参、艾叶、熟地、白芍、桂枝、川芎","人参、黄芪、熟地、,当归、川芎、白芍"]
试述根尖片中投照时,X线中心线的投照角度和X线中心线的位置。
预防局麻药毒性反应的措施有哪些?