【名词&注释】
婴幼儿(infant)、肺动脉高压(pulmonary hypertension)、不同点(different grounds)、右心室(right ventricle)、肺循环阻力(pulmonary vascular resistance)、镇静药(sedatives)、10%水合氯醛
[单选题]婴幼儿镇静药(sedatives)用量通常为()
A. A.10%水合氯醛0.1ml/kg
B. B.10%水合氯醛0.5ml/kg
C. C.10%水合氯醛1.5ml/kg
D. D.10%水合氯醛2.0ml/kg
E. E.10%水合氯醛2.5ml/kg