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Dosage Calculations
Nurse Wkst 1
January 06, 2012
Objective: Using math for medicine.
Warm Up4 kg = _____ g
.45 mg = _____g
Dosage Calculations
Nurse Wkst 2
January 06, 2012
Dosage Calculations
Nurse Wkst 3
January 06, 2012
Medication may be ordered in a form or amount different from what is available. Use proportions to calulate the right dosage.
Steps:a. Set up proportionb. Check to be sure units are the same horizontallyc. Cross multiply and solve for x.
Dosage Calculations
Nurse Wkst 4
January 06, 2012
Example 1:60 mg of medication are ordered. Tablets are available which have 30 mg of medication in each of them. How many tablets are needed to give 60 mg?
a) Set up as a proportion:
b) Are your units the same horizontally?
c) Cross multiply and solve.
Dosage Calculations
Nurse Wkst 5
January 06, 2012
Ordered: 15 mEqAvailable: 10 mEq/5ccHow many cc's needed?
Dosage Calculations
Nurse Wkst 6
January 06, 2012
Ordered: gr 1 800Available: gr 1 per ml 200How many ml?
Dosage Calculations
Nurse Wkst 7
January 06, 2012
Ordered: 40 unitsAvailable: 100 units/mlHow many ml's should be given?
Ordered: 3 mgAvailable: 1.5 mg/tablesHow many tablets should be given?
Dosage Calculations
Nurse Wkst 8
January 06, 2012