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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Related Questions
Correct Answer is ["100"]
Explanation
Convert minutes to hours: 30 minutes = 0.5 hours
Calculate the infusion rate: 50 mL / 0.5 hours = 100 mL/hr
Correct Answer is ["200"]
Explanation
Understanding the Problem
We need to administer 100 mL of solution over 30 minutes.
We need to convert the rate to mL/hour.
Calculations
Convert minutes to hours:
30 minutes = 30/60 hours = 0.5 hours
Calculate the infusion rate:
Infusion rate (mL/hr) = Total volume (mL) / Time (hr)
Infusion rate = 100 mL / 0.5 hr = 200 mL/hr
Answer
The nurse should set the IV pump to deliver 200 mL/hr.
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