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 D
Explanation
Answer and explanation
Choice A rationale:
Butorphanol is an opioid agonist-antagonist. It would not be the first choice to treat opioid-induced respiratory depression because it can also cause respiratory depression.
Choice B rationale:
Promethazine is an antihistamine that has sedative effects and could potentially worsen respiratory depression.
Choice C rationale:
Fentanyl is a potent opioid and would likely exacerbate respiratory depression.
Choice D rationale:
Naloxone is an opioid antagonist used to reverse the effects of opioids such as respiratory depression.
Correct Answer is D
Explanation
Choice A rationale:
This choice indicates 3 pregnancies, 1 term, 2 preterm, 2 living children, and 3 abortions. However, the client has had 4 pregnancies (twins, a son, and a miscarriage), so this choice is incorrect.
Choice B rationale:
This choice indicates 3 pregnancies, 2 term, 1 preterm, no living children, and 3 abortions. The client has 3 living children (twins and a son), so this choice is incorrect.
Choice C rationale:
This choice indicates 4 pregnancies, 1 term, 1 preterm, 1 living child, and 3 abortions. The client has 3 living children (twins and a son), so this choice is incorrect.
Choice D rationale:
This choice indicates 4 pregnancies, 2 term, 1 preterm, 3 living children, and 1 abortion. This correctly reflects the client’s obstetric history.
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