b. Convert the strength of the medication ordered and the medication stocked to

the same unit of measurement.

1 gm

= 0.2 gm

1000 mg

X mg

X = 200 mg

200 mg = 125 mg

4 ml

X ml

c. Cross-multiply.

200X = 500

d. Solve for "X." Label the answer.

X = 2.5 ml

The physician has ordered KCL 40 mEq P.O. for your

patient. On hand is KCL 15 mEq per 5 ml. How many ml

will you administer?

15 mEq = 40 mEq

5 ml

X ml

15X = 200

X = 13.3 = 13.3 ml

The physician's order reads: Tylenol elixir gr V P.O. q

4h p.r.n. for pain. The medication label reads:

Tylenol elixir 60 mg per 0.5 ml. How many ml will you

administer?

MD0904

2-28

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