A prescription requires 12 mg of morphine IM. The vial contains morphine 10 mg/mL. How many mL must the nurse administer?
2 mL
1.2 mL
1 mL
1.5 mL
The Correct Answer is B
Identify the ordered dose and available concentration
Ordered Dose: 12 mg
Available Concentration: 10 mg/mL
Calculate the volume to administer
Volume to administer = Ordered Dose ÷ Concentration
Volume to administer = 12 ÷ 10
= 1.2 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Identify the ordered dose and capsule strength
Ordered Dose: 500 mg
Capsule Strength: 250 mg per capsule
Calculate the number of capsules to administer
Number of Capsules = Ordered Dose ÷ Capsule Strength
Number of Capsules = 500 ÷ 250
= 2
Correct Answer is D
Explanation
Ordered Dose: 40 mg
Tablet Strength: 20 mg per tablet
Calculate the number of tablets to administer
Number of Tablets = Ordered Dose ÷ Tablet Strength
Number of Tablets = 40 ÷ 20
= 2
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