肺动脉压的正常值范围是()
A.5~10cmH2O
B.6~15mmHg
C.10~22mmHg
D.30~44mmHg
E.60~80mmHg
参考答案:C
1 g炭与适量水蒸气反应生成一氧化碳和氢气,需吸收10.94 kJ的热量,相应的热化学方程式为
A.C+H2O=CO+H2 ΔH =" +10.9" kJ/ mol
B.C(s)+H2O(g)=CO(g)+H2(g) ΔH =" +10.94" kJ/ mol
C.C(s)+H2O(g)=CO(g)+H2(g) ΔH =" +131.28" kJ/ mol
D.1/2C(s)+ 1/2H2O(g)=" 1/2CO(g)+" 1/2H2(g ) ΔH =" +" 65.64 kJ/ mol
男性,18岁,诊断肾病综合征,应用激素治疗无效,改用环磷酰胺治疗,总量不超过()
A.8~12g
B.6~8g
C.4~6g
D.12~14g
E.16g