对晕动病所致呕吐有效的药物是() ["A．苯海拉明","B．异丙嗪","C．氯丙嗪","D．东莨菪碱","E．美克洛嗪"]
诱发电位在康复医学中的应用。
下列药物为保钾利尿药() ["A．螺内酯","B．阿米洛利","C．呋塞米","D．氨苯喋啶","E．氢氯噻嗪"]
过敏性休克首选肾上腺素．主要与其下述作用有关() ["A．兴奋心脏β1受体，使心输出量增加 ","B．兴奋支气管β2受体．使支气管平滑肌松弛 ","C．兴奋眼辐射肌α受体，使瞳孔开大 ","D．兴奋血管α受体，使外周血管收缩．血压升高；使支气管粘膜血管收缩，降低毛细血管的通透性，利于消除支气管粘膜水肿。减少支气管分泌 ","E．抑制肥大细胞释放过敏性物质"]
下列哪些是属于癌前病变或疾病() ["A．纤维囊性乳腺病 ","B．胃、十二指肠溃疡 ","C．粘膜色素斑 ","D．慢性子宫颈炎 ","E．慢性萎缩性胃炎 "]
螺距
