calculation question?

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calculation question?

A drug is ordered 0.125 mg orally and the recommended administration is scored tablet 250 mcg

The answer is 0.5 tab
Can someone please show me how they got to this answer

2007-10-08 13:43:57 · 1 answers · asked by whisper2ya 2 in Science & Mathematics ➔ Medicine

1 answers

the prefix 'milli' means one thousandth
the prefic 'micro' means one millionth.

0.125 mg = .000125 grams
250 mcg = .000250 grams.

you need 1/2 of a 250 mcg tab to dose 0.125 mg

2007-10-08 14:08:41 · answer #1 · answered by davidosterberg1 6 · 0⤊ 0⤋