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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Related Questions
Correct Answer is ["105"]
Explanation
To find the answer, we can use the following steps:
- Convert the infant's weight from grams to kilograms by dividing by 1000
- Multiply the weight in kilograms by the dosage in mg/kg/day
- Round the result to the nearest whole number
Using these steps, we get:
- (weight in kg) = (3,500) / (1000) = 3.5 kg
- (dose in mg/day) = (30) x (3.5) = 105 mg/day
- (rounded dose in mg/day) = 105 mg
Therefore, the nurse should administer 105 mg of ceftazidime daily to this infant.
Correct Answer is ["1"]
Explanation
The correct answer is 1 mL. To find the answer, we can use the following steps:
- Convert the client's weight from pounds to kilograms by dividing by 2.2
- Multiply the weight in kilograms by the dosage in mg/kg
- Divide the dose in mg by the concentration in mg/mL
- Round the result to the nearest whole number
Using these steps, we get:
- (weight in kg) = (176) / (2.2) = 80 kg
- (dose in mg) = (0.05) x (80) = 4 mg
- (volume in mL) = (4) / (4) = 1 mL
- (rounded volume in mL) = 1 mL
Therefore, the nurse should administer 1 mL of lorazepam from the vial to the client.
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