阵发性房颤的治疗原则是（） ["预防复发，发作时控制室率","抗凝治疗，发作时控制室率","抗凝治疗，发作时转复窦律","转复窦律，发作时控制室率","预防复发，发作时转复窦律"]
仅发生在小涎腺的肿瘤是（） ["腺样囊性癌","黏液表皮样癌","多形性低度恶性腺癌","腺泡细胞癌","乳头状囊腺癌"]
目前为止，测量眼压的最好方法是（） ["Goldmann压平眼压计","指测","Schiotz压陷式眼压计","非接触式眼压计（NCT）","笔式眼压计"]
固定的作用除外（）。 ["减轻患者疼痛","压迫止血","避免骨折断端刺伤神经血管","避免骨折断端刺破皮肤","便于患者转送"]
急性血吸虫病最常见的异位损害是（） ["肺","脾","皮肤","胰腺","腹膜"]
为什么烧嘴冷却水气体分离器中要通N2？
