A medication order is for 500 mg and is supplied as 1 g per 5 mL suspension. What volume is required for the dose?
10 mL
2.5 mL
1 mL
5 mL
The Correct Answer is B
Calculation:
Ordered Dose: 500 mg
Available Concentration: 1 g per 5 mL
Convert grams to milligrams:
1 g = 1000 mg
So, concentration = 1000 mg per 5 mL
Calculate the volume to administer
Volume to administer = (Ordered Dose ÷ Available Dose) × Volume
Volume to administer = (500 ÷ 1000) × 5
Volume to administer = 0.5 × 5
= 2.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Identify the ordered dose and available concentration
Ordered Dose: 1.5 million units
Available: 3 million units in 5 mL
Calculate the volume to administer
Volume = (Ordered Dose ÷ Vial Dose) × Vial Volume
Volume = (1,500,000 ÷ 3,000,000) × 5
Volume = 0.5 × 5
= 2.5 mL
Correct Answer is D
Explanation
Identify the ordered dose and available concentration
Ordered Dose: 35 units
Available Concentration: 100 units/mL
Calculate the volume to administer
Volume to administer = Ordered Dose ÷ Concentration
Volume to administer = 35 ÷ 100
= 0.35 mL
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