A patient is to receive 1500mg of an anti-infective agent IV. Pharmacy sends a vial with instructions to reconstitute with enough sterile water to yield a concentration of 1 gm/10 mL. After withdrawing the required dose from the via instructions state to further dilute the medication with 100mL of NS and infuse over one hour At what rate will the nurse set the IV pump?
The Correct Answer is ["115"]
Let's calculate the IV pump rate step-by-step:
1. Determine the total volume to be infused:
The medication is initially reconstituted to a concentration of 1 g/10 mL.
To obtain 1500 mg (or 1.5 g), we need 1.5 g * 10 mL/g = 15 mL.
After further dilution with 100 mL of NSS, the total volume becomes 15 mL + 100 mL = 115 mL.
2. Determine the infusion rate:
The infusion time is given as 1 hour.
To calculate the infusion rate, divide the total volume by the infusion time:
115 mL / 1 hour = 115 mL/hour
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2525"]
Explanation
Here's the calculation of the total intake:
IV fluids:
Lactated Ringer's IV: 150 ml/hr x 9 hrs = 1350 ml
Cefazolin: 100 ml
0.9% sodium chloride (2 units): 250 ml x 2 = 500 ml
Ranitidine: 50 ml
Packed RBCs:
275 ml + 250 ml = 525 ml
Total intake:
1350 ml + 100 ml + 500 ml + 50 ml + 525 ml = 2525 ml
Correct Answer is ["12.8"]
Explanation
1. Convert pounds to kilograms:
176 lbs/2.20462 kg =80 kg
2. Calculate the desired heparin infusion rate:
16 units/kg/hr x 80kg = 1280 units/hr
3. Determine the concentration of heparin in the solution:
50000 units / 500 mL = 100 units/mL
4. Calculate the infusion rate in millilitres per hour:
1280 units/hr / 100 units/mL =12.8 mL/hr
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