A.1:1
B.2:1
C.2:3:1
D.1:2
E.1:4
[单选题]人乳中钙与磷的比例是A.1∶1B.2∶1C.3∶1D.1∶2E.1∶3
[单选题]婴儿期宫体与宫颈之比是 ( )A.2:1B.3:1C.1:1D.1:2E.1:3
[单选题]成年妇女子宫体与子宫颈之比是A.4:1B.3:1C.2:1D.1:2E.1:1
[单选题]人乳中钙与磷的比例通常是A.1∶1B.2∶1C.3∶1D.1∶2E.1∶3
[单选题]血浆中钠氯之比为A.1∶1B.2∶1C.1∶2D.3∶2E.2∶3
[单选题]小儿补充生理需要量所用液体张力为( )A.1/2张B.1/3张C.2/3张D.2/5张E.1/5张
[单选题]正常人骨髓中,粒红比值为A.1:1B.1~2:1C.2~3:1D.2~4:1E.2~5:1
[单选题]正常A/G比值为A.1~5/1B.1~4/1C.1~3/1D.1~2/1E.2~3/1
[单选题]小儿补充生理需要用液体张力为A.1/5张B.1/4张C.1/2张D.2/3张E.等张
[单选题]小儿补充生理需要所用液体张力为A.1/5张B.1/3张C.1/2张D.2/3张E.等张