利多卡因的安全浓度和一次限量是( )。
A.0.5%~1%,1g
B.0.25%~0.75%,150mg
C.0.5%~1%,40~60mg
D.0.25%~0.5%,40~60mg
E.1%~2%,400mg
1.此时该孕妇血清镁离子浓度是( )A.0.5~0.75mmoL/LB.0.75~1mmoL/LC.1~1.7mmoL/LD.1.7~3mmoL/LE.3mmoL/L以上
2.普鲁卡因的安全浓度和一次限量是( )。A.0.5%~1%,1gB.0.25%~0.75%,150mgC.0.5%~1%,40~60mgD.0.25%~0.5%,40~60mgE.1%~2%,400mg
3.A.0.5%~1%,1g B.0.25%~0.75%,150mg C.0.5%~1%,40~60mg D.0.25%~0.75%,40~60mg E.1%~2%,400mg丁卡因的安全浓度和一次限量是( )
4.丁卡因的安全浓度和一次限量是( )。A.0.5%~1%,1gB.0.25%~0.75%,150mgC.0.5%~1%,40~60mgD.0.25%~0.5%,40~60mgE.1%~2%,400mg
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