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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["100"]
Explanation
The nurse should set the infusion pump to deliver the entire 150 mL over the course of 90 minutes.
First, convert the time from minutes to hours because the rate is required in mL/hr.
90 minutes is 1.5 hours (since 1 hour = 60 minutes).
Therefore, the IV pump should be set to deliver:
Rate(mL/hr)=Time(hr)Totalvolume(mL)=1.5hr150mL
After performing the calculation, we find that the rate equals 100 mL/hr.
So, the nurse should set the infusion pump to deliver 100 mL/hr. This is rounded to the nearest whole number as per the instructions.
Correct Answer is ["8"]
Explanation
You can calculate the number of acyclovir tablets the nurse should administer every 24 hours using the following steps:
Daily Dosage: The medication is prescribed to be given every 6 hours, so to find the total daily dosage, we need to consider how many times it's administered in 24 hours:
Total Daily Doses = 24 hours / Dosage Frequency (every 6 hours)
Total Daily Doses = 24 hours / 6 hours/dose = 4 doses per day
Tablets per Dose: Since the prescribed dose is 800 mg and each tablet is 400 mg, we can find the number of tablets needed per dose:
Tablets per Dose = Prescribed Dose (mg) / Tablet Strength (mg/tablet)
Tablets per Dose = 800 mg / 400 mg/tablet = 2 tablets/dose
Total Tablets per Day: Now that we know the tablets needed per dose (2) and the total daily doses (4), we can find the total number of tablets for 24 hours:
Total Tablets per Day = Tablets per Dose x Total Daily Doses
Total Tablets per Day = 2 tablets/dose * 4 doses/day
Total Tablets per Day = 8 tablets
Therefore, the nurse should administer 8 tablets of acyclovir to the client every 24 hours.
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