A nurse is preparing to administer lactated Ringer’s 2,000 mL IV to infuse over 6 hr to a pregnant client who has hyperemesis gravidarum.
The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number.
Use a leading zero if it applies.
Do not use a trailing zero.) .
The Correct Answer is ["333"]
Step 1: Calculate the infusion rate. 2,000 mL ÷ 6 hr = 333.33 mL/hr Final calculated answer: 333 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.1"]
Explanation
Step 1: Convert the weight from pounds and ounces to kilograms. 8 lb 4 oz = 8.25 lb 8.25 lb ÷ 2.2 = 3.75 kg Step 2: Calculate the dose per minute. 1 mcg/kg/min × 3.75 kg = 3.75 mcg/min Step 3: Calculate the total dose per hour. 3.75 mcg/min × 60 min/hr = 225 mcg/hr Step 4: Determine the concentration of the solution. 50 mg = 50,000 mcg 50,000 mcg = 250 mL 225 mcg = (225 mcg × 250 mL) ÷ 50,000 mcg = 1.125 mL/hr Step 5: Round to the nearest tenth. 1.125 mL/hr ≈ 1.1 mL/hr The IV pump should be set to deliver 1.1 mL/hr.
Correct Answer is ["0.1"]
Explanation
Step 1:.7 lb ÷ 2.2 = 2.136 kg Step 2:.05 units/kg/hr × 2.136 kg = 0.1068 units/hr Step 3:.1068 units/hr ÷ 10 units/mL = 0.01068 mL/hr The nurse should set the IV pump to deliver 0.1 mL/hr.
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