A nurse is preparing to administer 250 mg of an antibiotic IM. Available is 3 g/5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.4"]
Desired dose = 250 mg
Available concentration = 3 g/5 mL = 600 mg/5 mL = 120 mg/mL
Volume to administer = Desired dose / Concentration = 250 mg / 120 mg/mL = 2.08 mL
Rounded to the nearest tenth = 0.4 mL
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.75"]
Explanation
Desired dose = 6 mg
Concentration = 8 mg/mL
To calculate the volume to administer:
Volume (mL) = Desired dose (mg) / Concentration (mg/mL)
Volume = 6 mg / 8 mg/mL = 0.75 mL
Correct Answer is ["42"]
Explanation
Infusion rate (mL/hr) = Total volume (mL) / Infusion time (hours)
Infusion rate = 250 mL / 6 hours = 41.67 mL/hr
Rounded to the nearest whole number: 42 mL/hr
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