最重要的消化液是() ["A．唾液 ","B．胃液 ","C．胆汁 ","D．胰液 ","E．肠液"]
体内照射
肾素一血管紧张素系统活动增强时() ["A．醛固酮释放减少 ","B．静脉回心血量减少 ","C．体循环平均充盈压减低 ","D．交感神经末梢释放递质减少 ","E．肾脏排钠量减少"]
同时影响肾小球滤过和肾小管重吸收的因素() ["A．血浆胶体渗透压 ","B．滤过膜的通过性 ","C．血液中葡萄糖 ","D．抗利尿激素 ","E．醛固酮"]
氢化可的松的主要作用() ["A．降低血糖 ","B．减少嗜酸性粒细胞和淋巴细胞 ","C．减少体内水的排出 ","D．减少血小板和红细胞 ","E．激活儿茶酚氧位甲基转移酶"]
CT扫描的适应证有哪些?
