Mass/Liquid For Liquid Questions
Given an amount of mass per liquid, how much liquid do you require?
Formula:
Example: Phenytoin (Dilantin),
0.1 g PO, is
ordered to be given through a nasogastric tube. Phenytoin is available as
30 mg /
5 mL.
How much would the nurse administer?

x Volume Per Have

= Y (Liquid Required)

Convert 0.1 g to mg.
 mcg ← mg ← g ← kg ( x by 1,000 )
 0.1 g x 1,000 = 100 mg
Example: Ordered Lasix
40 mg IV push now.
Available:
80 mg in
1 mL. How much will the nurse draw up?

x Volume Per Have

= Y (Liquid Required)
