单项选择题
A.剂量准确B.每次给药前测量脉搏/心率C.多补充含钾食物D.密切观察毒副作用E.同时静脉注射10%葡萄糖酸钙
A.72/47mmHgB.80/60mmHgC.92/61mmHgD.100/67mmHgE.110/74mmHg
A.4mlB.8mlC.10mlD.12mlE.14ml