A nurse is 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"]
To calculate the volume of morphine injection that the nurse should administer, we can use the following steps:
Determine the volume to be administered:
We have a concentration of 10 mg/mL.
7.5 mg ÷ 10 mg/mL = 0.75 mL
Therefore, the nurse should administer 0.75 mL of morphine injection subcutaneously.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["18"]
Explanation
To calculate the dose of methylprednisolone sodium succinate that the nurse should administer, we can follow these steps:
Convert the client's weight from pounds to kilograms:
169 lb ÷ 2.2 = 76.82 kg (rounded to two decimal places)
Calculate the dose of methylprednisolone sodium succinate:
30 mg/kg × 76.82 kg = 2,304.6 mg
Determine the volume of methylprednisolone sodium succinate needed using the available concentration:
2,304.6 mg ÷ 125 mg/mL = 18.437 mL
Rounding to the nearest whole number, the nurse should administer 18 mL of methylprednisolone sodium succinate via intermittent IV bolus.
Correct Answer is ["0.4"]
Explanation
Given:
Enoxaparin dose: 40 mg
Available concentration: 100 mg/mL
Step 1: Calculate the volume of enoxaparin to be administered in mL
Volume = Enoxaparin dose / Concentration
Volume = 40 mg / 100 mg/mL
Volume = 0.4 mL
Rounding to the nearest tenth:
Volume = 0.4 mL
Therefore, the nurse should administer 0.4 mL of enoxaparin subcutaneously for the prevention of deep vein thrombosis.
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