A patient is prescribed Morphine 15 mg IM stat. The medication is available as Morphine 30 mg/mL. How many milliliters of medication should the nurse administer?
0.75 mL
1 mL
0.5 mL
1.5 mL
The Correct Answer is C
Calculation:
- Identify the ordered dose and available concentration
Ordered Dose: 15 mg
Available Concentration: 30 mg/mL
- Calculate the volume to administer
Volume to administer = Ordered Dose ÷ Concentration
Volume to administer = 15 ÷ 30
= 0.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Scored: A scored tablet has an indented line across its surface, allowing it to be safely split into smaller doses. This design facilitates dose adjustments or easier swallowing while maintaining accurate dosing.
B. Coated: Coated tablets have a protective layer to mask taste, prevent stomach irritation, or control drug release. Crushing or splitting coated tablets can destroy the coating, altering absorption or increasing side effects.
C. Timed-release: Timed-release (extended-release) tablets are formulated to release the medication gradually over a specific period. Crushing or splitting them can release the entire dose at once, increasing the risk of toxicity.
D. Delayed-release: Delayed-release tablets are designed to resist dissolution in the stomach and release medication in the intestine. Altering them by crushing or splitting can interfere with the intended release and reduce effectiveness.
Correct Answer is C
Explanation
Calculation:
- Identify the ordered dose and available concentration
Ordered Dose: 15 mg
Available Concentration: 30 mg/mL
- Calculate the volume to administer
Volume to administer = Ordered Dose ÷ Concentration
Volume to administer = 15 ÷ 30
= 0.5 mL
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