A client who weighs 60 kg receives a prescription for dalteparin 200 units/kg subcutaneously once a day for a month. The medication is available in 25,000 units/mL vial. How many mL should the nurse administer?
(Enter numerical value. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["0.5"]
Calculate the total dosage needed:
Total dosage = Dosage per kg × Weight
Total dosage = 200 units/kg × 60 kg = 12,000 units
Now, determine the volume required from the concentration:
Volume = Total dosage / Concentration
Volume = 12,000 units / 25,000 units/mL ≈ 0.48 mL ≈ 0.5 mL (rounded to the nearest tenth)
The nurse should administer approximately 0.5 mL of dalteparin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.6"]
Explanation
The prescription is for hydrocortisone sodium succinate 150 mg, reconstituted to a concentration of 250 mg/mL using 2 mL of bacteriostatic water.
The total amount after reconstitution:
150 mg ÷ 250 mg/mL = 0.6 mL
The nurse should administer 0.6 mL of the reconstituted solution.
Correct Answer is ["15"]
Explanation
To find out how many drops/minute the nurse should regulate the infusion to, we need to first calculate how many mL/minute the infusion should deliver.
To do this, we need to divide the remaining volume of IV fluids by the number of hours that it should last. Since there are 60 minutes in an hour, we can convert the number of hours to minutes by multiplying it by 60.
Therefore, the number of minutes that the IV fluids should last is 7 x 60 = 420 minutes. Now, we can divide the remaining volume of IV fluids by this number to get the infusion rate in mL/minute. The result is 630 / 420 = 1.5 mL/minute.
Next, we need to multiply this infusion rate by the number of drops per mL that the IV administration set delivers. Since the IV administration set delivers 10 gtt/mL, we can multiply 1.5 mL/minute by 10 gtt/mL to get the infusion rate in drops/minute. The result is 1.5 x 10 = 15 gtt/minute.
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