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Difficulty: EasyPharmacological and Parenteral Therapies

A client recovering from abdominal surgery requires pain management. The provider orders morphine sulfate 6 mg6 \text{ mg} IV push every 4 hours as needed for severe pain. The medication is available in a vial containing 10 mg/mL10 \text{ mg}/\text{mL}. How many milliliters should the nurse administer for a single dose?

  1. A
    1.7 mL1.7 \text{ mL}
  2. 0.6 mL0.6 \text{ mL}Answer
  3. C
    6.0 mL6.0 \text{ mL}
  4. D
    60 mL60 \text{ mL}

Answer

0.6 mL0.6 \text{ mL}
The correct calculation for this medication administration uses the standard formula of (Desired Dose / Available Dose) ×\times Volume. The desired dose is 6 mg6 \text{ mg}, and the available dose is 10 mg10 \text{ mg} per 1 mL1 \text{ mL}. Therefore, 6 mg10 mg×1 mL=0.6 mL\frac{6 \text{ mg}}{10 \text{ mg}} \times 1 \text{ mL} = 0.6 \text{ mL}.

Step-by-Step Solution

1
Identify the desired dose from the provider's order.
Desired dose = 6 mg6 \text{ mg}
This represents the exact amount of medication the client needs to receive.
2
Identify the available concentration (have) and the volume it is dissolved in.
Have = 10 mg10 \text{ mg}, Volume = 1 mL1 \text{ mL}
This information is found on the medication vial label and is required for the calculation.
3
Apply the medication calculation formula: DesiredHave×Volume\frac{\text{Desired}}{\text{Have}} \times \text{Volume}.
6 mg10 mg×1 mL=0.6 mL\frac{6 \text{ mg}}{10 \text{ mg}} \times 1 \text{ mL} = 0.6 \text{ mL}
This formula accurately converts the prescribed milligram dose into the correct administrable liquid volume.

Key Concept

Basic Medication Dosage Calculation
Estimated Time:45s
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Topics

Pharmacological and Parenteral Therapies

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