A client with deep vein thrombosis (DVT) is receiving a continuous IV infusion of heparin sodium 20,000 units in 5% dextrose injection 500 mL at the rate of 25 mL/hour. How many units of heparin should the client receive in 12 hours? (Enter numeric value only.)
The Correct Answer is ["12000"]
Here's how to calculate the total heparin units the client will receive in 12 hours
Heparin concentration:
The medication is delivered in a 500 mL bag containing 20,000 units of heparin.
Heparin concentration (units/mL) = Total heparin (units) / Volume (mL)
Heparin concentration (units/mL) = 20,000 units / 500 mL
Heparin concentration (units/mL) = 40 units/mL
Infusion rate: 25 mL/hour (given)
Time: 12 hours (given)
We need to find the total number of heparin units delivered in 12 hours.
Total volume delivered in 12 hours:
Volume delivered (mL/hour) x Time (hours) = Total volume delivered (mL)
25 mL/hour x 12 hours = 300 mL
Total heparin units delivered:
Heparin concentration (units/mL) x Total volume delivered (mL) = Total heparin units
40 units/mL x 300 mL = 12,000 units
Therefore, the client will receive 12,000 units of heparin in 12 hours.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["7.5"]
Explanation
Here's how to calculate the concentration (mg/mL) of the reconstituted ceftazidime medication
Medication: 750 mg ceftazidime
Diluent: 100 mL sterile water (for reconstitution)
We need to find the concentration (mg/mL) after reconstituting the medication with diluent.
Calculation:
Concentration (mg/mL) = Total medication (mg) / Volume of diluent (mL)
Concentration (mg/mL) = 750 mg / 100 mL
Concentration (mg/mL) = 7.5 mg/mL (round to nearest tenth)
Therefore, the reconstituted medication will have a concentration of 7.5 mg/mL.
Correct Answer is ["17"]
Explanation
Let’s calculate the solution step by step:
Calculate the Total Drops in the IV Bag:
The total number of drops in the IV bag can be calculated using the formula:
Totaldrops = VolumeinmL × DropspermL
Substituting the given values:
Totaldrops = 150mL × 10drops/mL = 1500drops
Calculate the Rate in Drops/Minute:
The rate in drops per minute can be calculated using the formula:
Rateindrops/minute = Totaldrops / Timeinminutes
Substituting the given values:
Rateindrops/minute = 1500drops/90minutes ≈ 16.67drops/minute
Since the problem asks for the rate to be rounded to the nearest whole number if necessary, the final rate is 17 drops/minute.
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