A nurse is preparing to administer dopamine 5 mcg/kg/min via continuous IV infusion to a newborn who weighs 4.4 kg and has septic shock. Available in dopamine 200 mg in dextrose 5% in water 250 mL. The nurse should set the IV pump to deliver how many mL/hr?
(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["1.7"]
The dose of dopamine in mg/hr: 5 mcg/kg/min x 4.4 kg x 60 min/hr = 1320 mcg/hr Converted to mg: 1320 mcg/hr / 1000 mcg/mg = 1.32 mg/hr
Infusion rate in mL/hr: 1.32 mg/hr / (200 mg/250 mL) = 1.65 mL/hr Rounded off to the nearest tenth: 1.7 mL/hr
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.6"]
Explanation
Step 1: Determine the amount of enoxaparin in mg per mL. 60 mg ÷ 0.6 mL = 100 mg/mL
Result: 100 mg/mL
Step 2: Calculate the volume in mL needed to administer 55 mg. 55 mg ÷ 100 mg/mL = 0.55 mL
Result: 0.55 mL
Step 3: Round the result to the nearest tenth. 0.55 mL rounded to the nearest tenth = 0.6 mL
Result: 0.6 mL
The nurse should administer 0.6 mL of enoxaparin.
Correct Answer is ["75"]
Explanation
Step 1: Identify the amount of formula in ounces. Result: 2.5 oz
Step 2: Convert ounces to milliliters using the conversion factor 1 ounce = 30 mL. Calculation: 2.5 oz × 30 mL/oz Result: 2.5 × 30 = 75 mL
Step 3: Round the result to the nearest whole number. Result: 75 mL (no rounding needed)
The nurse should document 75 mL as the intake on the I&O record.
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