吸氧浓度应为A.24~29%B.29~37%C.37~40%D.40~45%E.45~49%
吸氧浓度应为
A.24~29%
B.29~37%
C.37~40%
D.40~45%
E.45~49%
相关考题:
吸氧时流量为3L/min,其氧浓度为( )A.29%B.33%C.37%D.41%E.45%
吸氧浓度应为
A.24~29%
B.29~37%
C.37~40%
D.40~45%
E.45~49%