The nurse is to administer 200 mg of a medication. The medication available is concentrated at 250 mg in 5 mL. Which is the correct dosage required for administration?

Answer: 4ml

Nursing Practice Questions

Rationale: Available x Prescribed ( both in a fraction)

Available 250mg/5ml X 200mg/X

250x = 1000

1000/250=4

=4ml

Nursing in a Nutshell: Medication Calculation