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
Choice A rationale:
Notifying the primary care provider is important but not the immediate next step. The nurse has other immediate responsibilities to ensure the safety of the mother and baby.
Choice B rationale:
A vaginal exam could introduce bacteria into the uterus and is not the immediate next step after rupture of membranes.
Choice C rationale:
Changing the linen saver pad is not the immediate next step. While it might be necessary for the comfort of the mother, it does not address the potential risks associated with rupture of membranes.
Choice D rationale:
Checking the fetal heart rate is the correct next step. This ensures that the baby is not in distress following the rupture of membranes.
Correct Answer is C
Explanation
Choice A rationale:
Contractions every 1 minute and cervical dilation of 9 cm are indicative of the transition phase of labor.
Choice B rationale:
Contractions every 2 1/2 minutes and cervical dilation of 8 cm are indicative of the active phase of labor.
Choice C rationale:
Contractions every 5 minutes and cervical dilation of 3 cm are indicative of the latent phase of labor.
Choice D rationale:
Contractions every 3 minutes and cervical dilation of 6 cm are indicative of the active phase of labor.
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