A nurse is preparing to administer pentamidine 4 mg/kg IM to a client who weighs 154 lb. Available is pentamidine 100 mg/mL for injection. How many mL should the nurse administer?
(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2.8"]
Convert the patient's weight from pounds to kilograms:
154 lb ÷ 2.2 = 70 kg
Calculate the dose of pentamidine:
4 mg/kg × 70 kg = 280 mg
Determine the volume to be administered:
We have 100 mg/mL concentration of pentamidine.
280 mg ÷ 100 mg/mL = 2.8 mL
Therefore, the nurse should administer 2.8 mL of pentamidine to the client.
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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 ["3"]
Explanation
To calculate the amount of hydrocortisone to administer, we can use the following formula:
Amount to administer (mL) = (Desired dose (mg) / Available dose (mg/mL))
Plugging in the given values:
Amount to administer (mL) = (150 mg / 50 mg/mL)
Now, let's solve for the amount to administer:
Amount to administer (mL) = (150 / 50) = 3 mL
So, the nurse should administer 3 mL of hydrocortisone via IV bolus.
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