The healthcare provider prescribes dopamine 2 mcg/kg/min intravenously (IV) for client who weighs 60 kg. The IV bag contains dopamine 200 mg in dextrose 5% in water (DW) 250 mL. The nurse should program the infusion pump to deliver how many mL/hour? (Enter numerical value only.)
The Correct Answer is ["9"]
Here are the steps you can follow to calculate the infusion pump flow rate:
Step 1: Calculate the prescribed dose in mcg/min
- Dose per weight: 2 mcg/kg/min * 60 kg = 120 mcg/min
Step 2: Convert the concentration in the IV bag to mcg/mL
- Convert mg to mcg: 200 mg * 1000 mcg/mg = 200,000 mcg
- Concentration: 200,000 mcg / 250 mL = 800 mcg/mL
Step 3: Calculate the flow rate in mL/min
- Flow rate: 120 mcg/min / 800 mcg/mL = 0.15 mL/min
Step 4: Convert the flow rate to mL/hour
- Hour conversion: 0.15 mL/min * 60 min/hour = 9 mL/hour
Therefore, the nurse should program the infusion pump to deliver 9 mL/hour.
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Naxlex Comprehensive Predictor Exams
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Correct Answer is D
No explanation
Correct Answer is D
Explanation
Choice A rationale: Applying ice can cause vasoconstriction and potentially inhibit the let-down reflex. While it might temporarily firm the tissue, it does not effectively address the anatomical challenge of inverted nipples.
Choice B rationale: While a pump can help draw out a nipple or maintain supply, the immediate concern is the baby's inability to latch at the breast for a successful feeding session.
Choice C rationale: Offering formula as a first-line intervention can undermine the mother's breastfeeding goals and interfere with the establishment of her milk supply and the infant's natural sucking reflex.
Choice D rationale: A breast shield is a silicone device that fits over the nipple and areola, providing a firm, protruded surface for the infant to latch onto when nipples are flat.
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