12.每5 mL含有amoxicillin/clavulanate 400/57 mg之糖漿,張小弟體重5公斤,醫師處方45/6.4 mg/kg/day BID PO,每一次應服用多少mL?
A.0.6
B.0.7
C.1.4
D.2.8
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答案: C
醫師處方給張小弟一天藥量為 45/6.4 mg/kg = 45/6.4mg x 5kg = 225/32mg
因一天服用2次(BID),故每次服藥量為225/32 ÷ 2 = 112.5/16mg
換算糖漿需要 X mL: 112.5/16mg ÷ 400/57mg = X ÷ 5mL,X = 1.4 mL