DosageHelp.com
DosageHelp.com
Helping Nursing Students Prepare for Medication Exams By Explaining Dosage Calculations

Mass for Mass Questions

Given an amount of mass per tablet, how many tablets do you require?

Formula:
Ordered
Have
 =  Y (Tablets Required)

Example: Metroprolol (Lopressor), 25 mg PO, is ordered. Metropolol is available as 50 mg tablets. How many tablets would the nurse administer?
Ordered
Have
 =  Y (Tablets Required)
25 mg
50 mg
 =  0.5 tablets

Example: Potassium chloride is available as 10 mg per tablet. Potassium Chloride (K-Dur), 40 mg, is ordered. How many tablets would the nurse administer?
Ordered
Have
 =  Y (Tablets Required)
40 mg
10 mg
 =  4 tablets



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