能迅速中和胃中过剩的胃液,减轻疼痛,但作用时间较短的药物是() ["雷尼替丁","碳酸氢钠","普鲁卡因","庆大霉素","氧化镁"]
甲状腺滤泡旁细胞(又称C细胞)分泌的降钙素的作用是() ["促进细胞内的氧化作用","维持糖、蛋白、脂肪正常的代谢","促进机体的正常生长发育","保持机体各系统、器官的生理功能","抑制骨骼的吸收"]
主要引起成人腹泻的轮状病毒是() ["C组人RV","A组人RV","E组人RV","B组人RV","D组人RV"]
乙酰半胱氨酸可用于() ["剧烈干咳","痰粘稠不易咳出","支气管哮喘咳嗽","急、慢性咽炎","以上都不是"]
根性坐骨神经痛,最常见的病因是()。 ["脊椎结核","椎管狭窄","腰椎间盘突出","黄韧带肥厚","椎管病变"]
分析实质性器官的声像图时应注意什么?