问题
单项选择题
The physician has ordered Oxtriphyllin (Choledyl SA) 0.2 g. Available tablets of the medicine are 100 mg. How many tablets should be given()
A. 0.5 tablets.
B. 2.0 tablets.
C. 2.5 tablets.
D. 5.0 tablets.
答案
参考答案：B
解析：
Convert grams to milligrams. 0.2g=200mg. 200mg/x tablets=100mg/tablet, x= 2 tablets.