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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.
Answer and Explanation

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.


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Related Questions

Correct Answer is ["20"]

Explanation

  1. Calculate the total units of insulin in the IV bag:

    • The bag contains 150 mL of solution.
    • The concentration is 0.456 units/mL.
    • Total insulin = 150 mL × 0.456 units/mL = 68.4 units.

  2. Determine how long the IV bag will last:

    • The ordered rate is 9 units/hour.
    • Total duration = 68.4 units ÷ 9 units/hour = 7.6 hours.

  3. Calculate the IV pump rate:

    • The total volume of the bag is 150 mL.
    • Pump rate = 150 mL ÷ 7.6 hours = 19.74 mL/hr.
    • Rounded to the nearest whole number: 20 mL/hr.

So the nurse should set the IV pump to 20 mL/hr.

Correct Answer is C

Explanation

Choice A rationale:

This is incorrect. Intercourse is unlikely to cause rupture of membranes.

Choice B rationale:

This is also incorrect. Intercourse is not likely to result in premature labor.

Choice C rationale:

This is correct. It is generally safe to have intercourse during an uneventful pregnancy.

Choice D rationale:

This is also correct. There are other ways to satisfy sexual needs if intercourse is not possible or desired.

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