糖尿病自主神经表现为() ["直立性低血压","胃排空延迟","持续心动过速","尿失禁","逆向射精"]
肾小管分泌H能力加强,有助于重吸收的物质是() ["HCO3-","H20","NH3","Cl-","K+"]
脑脊液主要产生部位在()。 ["脑表面静脉","脑室脉络丛","软脑膜上的小梁","蛛网膜粒","脑表面动脉"]
患者男,65岁,晨起时发现言语不清,右侧肢体不能活动。既往有高血压病史。发病后3小时来诊。查体:神志清楚,血压165/88mmHg,运动性失语,右侧中枢性面舌瘫,右侧肢体肌力2级,无病理征。急诊首先应行哪项检查明确诊断() ["A.头颅MRI","头颅CT","DSA","TCD","脑电图","心电图","血生化检查"]
双胍类降糖药的降糖机制是() ["刺激胰岛B细胞分泌胰岛素","减少胃肠道对葡萄糖的吸收","抑制肝糖原分解","增加糖的无氧酵解","改善外周组织对胰岛素的抵抗"]
急性感染性喉炎,以()、()、()、()为临床特征。