Your patient is receiving Heparin via a continuous IV infusion at a rate of 1600 units per hour.
The bag is labeled N/S 500 mLs and contains Heparin 40,000 units.
What rate should the IV pump be set at to deliver this ordered amount of Heparin? mLs/hr.
The Correct Answer is ["mLs\/hr."]
Answer and explanation
Step 1 is to calculate the total units of Heparin in 1 mL of the solution. This is done by dividing the total units of Heparin in the bag (40,000 units) by the total volume of the bag (500 mL). So, 40,000 units ÷ 500 mL = 80 units/mL. Step 2 is to calculate the rate at which the IV pump should be set. This is done by dividing the ordered amount of Heparin per hour (1600 units) by the units of Heparin per mL (80 units/mL). So, 1600 units/hr ÷ 80 units/mL = 20 mL/hr.
So, the correct answer is 20 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Station -2 means the presenting part is 2 cm above the ischial spines. Engagement usually occurs at 0 station.
Choice B rationale:
Station +1 means the presenting part is 1 cm below the ischial spines. This usually occurs during labor, not necessarily at engagement.
Choice C rationale:
Station 0 means the presenting part is at the level of the ischial spines. This is typically when engagement occurs.
Choice D rationale:
Station -1 means the presenting part is 1 cm above the ischial spines. Engagement usually occurs at 0 station.
Correct Answer is D
Explanation
Choice A rationale:
Checking for a compressed umbilical cord is important as it can cause fetal distress. However, it’s not the first step in response to abnormal EFM tracing.
Choice B rationale:
Preparing for an emergency cesarean birth might be necessary if the abnormality persists and indicates fetal distress. But it’s not the immediate first step.
Choice C rationale:
Documenting the finding is part of the nursing process, but immediate interventions to address the abnormality take precedence.
Choice D rationale:
Helping the woman change positions can relieve pressure on the umbilical cord, potentially resolving the abnormality. This is often the first intervention.
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