A nurse is preparing to administer an oral syrup containing 100 mg/5 mL. The prescription is for 250 mg. How many mL should be administered?
5 mL
10 mL
15 mL
12.5 mL
The Correct Answer is D
Identify the ordered dose and available concentration
Ordered Dose: 250 mg
Available Concentration: 100 mg/5 mL
Calculate the volume to administer
Volume to administer = (Ordered Dose ÷ Concentration) × Volume of Concentration
Volume to administer = (250 ÷ 100) × 5
Volume to administer = 2.5 × 5
= 12.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The conversion factor
1 g = 1000 mg
Convert 4000 mg to grams
Grams = 4000 ÷ 1000
= 4 g
Correct Answer is B
Explanation
The conversion factor
1 L = 1000 mL
Convert 30 mL to liters
Volume in liters = 30 ÷ 1000
= 0.03 L
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