羊水中水分占A.58%~59%B.68%~69%C.78%~79%D.88%~8

资格题库2022-08-02  9

问题 羊水中水分占A.58%~59%
B.68%~69%
C.78%~79%
D.88%~89%
E.98%~99%

选项 A.58%~59%
B.68%~69%
C.78%~79%
D.88%~89%
E.98%~99%

答案 E

解析 羊水中水为主要成分,占98%~99%,有机物和无机盐占1%~2%,尚有少量白细胞和胎儿脱落上皮细胞。
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