细胞内液绝大部分存在于()。
A.心肌中
B.骨骼肌中
C.平滑肌中
D.泌尿系统中
E.消化系统中
参考答案:B
We __________ so tired. We've only been to a party.
A.mustn't have felt
B.wouldn't have felt
C.shouldn't have felt
D.couldn't have felt
3月龄患儿,近2月睡眠不宁,烦躁,多汗,时有惊跳。体检:前囟大,肺部未闻及啰音。此时最有助于诊断的血液检验是()
A.血常规
B.血液酸碱度
C.血钾、钠、氯测定
D.血钙、磷、碱性磷酸酶
E.血镁测定