以下哪项不是肾调节酸碱平衡的机制()
A.Na+-H+交换,排H+
B.肾血流的调节
C.HCO重吸收
D.产生NH3与H+结合成NH
E.尿的酸化,排H+
参考答案:B
患儿,女,2岁,发热,咳嗽1周,近3天气促喘息加重,查体:面色苍白,烦躁,两肺闻中小水泡音,病史中曾有皮肤脓疱疹,WBC20×109/L,淋巴占10%,中性分叶85%。
该患儿下列哪项治疗不当()。
A.吸氧
B.用敏感抗生素
C.静脉用氢化可的松
D.支气管解痉剂
E.保持呼吸道通畅
The ________ look on her face suggested that she _________ the exam.
A.worrying ; didn’t do well in
B.worried ; didn’t do well in
C.worried ; did well in
D.worrying ; does well