A nurse preparing to administer morphine 7.5 mg subcutaneous. Available is morphine injection 10 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.75"]
Determine the total daily dosage:
The client is prescribed 7.5 mg of morphine.
Calculate the dosage per dose:
The medication is to be administered in a single dose.
Dosage per dose is 7.5 mg.
Determine the volume per dose:
The morphine injection contains 10 mg per mL.
The nurse needs to administer 7.5 mg per dose.
Divide 7.5 mg / 10 mg per mL = 0.75 mL per dose.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["3"]
Explanation
Convert the client's weight from pounds to kilograms:
There are 2.205 pounds in 1 kilogram.
165 lb = 165 lb / 2.205 lb/kg = 75 kg.
Determine the total dosage:
The client is prescribed 8 units/kg of calcitonin.
The client weighs 75 kg.
Dosage is 8 units/kg x 75 kg = 600 units.
Determine the volume per dose:
The calcitonin solution contains 200 units/mL.
The nurse needs to administer 600 units.
Divide 600 units / 200 units/mL = 3 mL.
Correct Answer is ["0.71"]
Explanation
Determine the total dosage:
The client is prescribed 250 mg of ceftriaxone.
Calculate the volume per dose:
The ceftriaxone solution contains 350 mg per mL.
The nurse needs to administer 250 mg per dose.
To find the volume per dose:
350 mg / 1 mL = 250 mg / x mL
350x = 250
Dividing both sides by 350, we get:
x = 0.714 mL
Round the answer to the nearest hundredth:
Rounding 0.714 to the nearest hundredth gives us 0.71 mL.
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