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"]
To find the answer, we can use the following steps:
- Calculate the dose of dalteparin in units by multiplying the weight in kg by the dosage in units/kg
- Divide the dose in units by the concentration in units/mL
- Round the result to the nearest tenth
Using these steps, we get:
- (dose in units) = (60) x (200) = 12,000 units
- (volume in mL) = (12,000) / (25,000) = 0.48 mL
- (rounded volume in mL) = 0.5 mL
Therefore, the nurse should administer 0.5 mL of dalteparin from the vial to the client.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["17"]
Explanation
The correct answer is 17 mL/hour. To find the answer, we can use the following formula:
(mL/hour) = (units/hour) x (mL per unit)
Substituting the given values, we get:
(mL/hour) = (1,400) x (250 / 20,000)
Simplifying, we get:
(mL/hour) = (1,400) x (0.0125)
(mL/hour) = 17.5
(rounded mL/hour) = 17
Therefore, the nurse should program the infusion pump to deliver 17 mL/hour of heparin in dextrose 5% in water.
Correct Answer is ["6"]
Explanation
To find the answer, we can use the following steps:
- Convert the dosage of oxytocin from milliunits/min to units/hour by multiplying by 60
- Calculate the concentration of oxytocin in the IV bag by dividing the amount of oxytocin by the volume of solution
- Divide the dosage of oxytocin by the concentration of oxytocin in the IV bag to get the volume to be delivered
Using these steps, we get:
- (dosage of oxytocin in units/hour) = (2) x (60) = 120 milliunits/hour
- (concentration of oxytocin in IV bag) = (20) / (1000) = 0.02 units/mL
- (volume to be delivered in mL/hour) = (120 x 10^-3) / (0.02) = 6 mL/hour
Therefore, the nurse should program the infusion pump to deliver 6 mL/hour of oxytocin in lactated Ringer's to the patient.
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