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A nurse is preparing to administer fentanyl 0.5 mcg/kg via IV bolus to a client who weighs 187 lb. Available is fentanyl 50 mcg/mL. 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.)
A nurse is preparing to administer fentanyl 0.5 mcg/kg via IV bolus to a client who weighs 187 lb. Available is fentanyl 50 mcg/mL. 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 ["0.9"]
To calculate the dose of fentanyl for a client who weighs 187 lb, the nurse needs to convert the weight to kilograms and multiply it by the prescribed dose of 0.5 mcg/kg.
One kilogram is equal to 2.2 lb, so the client's weight in kilograms is 187 / 2.2 = 85 kg.
The dose of fentanyl in micrograms is 85 x 0.5 = 42.5 mcg.
The nurse then needs to divide the dose in micrograms by the concentration of fentanyl in the available solution, which is 50 mcg/mL.
The volume of fentanyl in milliliters is 42.5 / 50 = 0.85 mL.
The nurse should round the answer to the nearest tenth, so the final answer is 0.9 mL.
The nurse should administer 0.9 mL of fentanyl via IV bolus to the client.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
To calculate the number of tablets the nurse should administer with each dose, the nurse should divide the total daily dose by the number of doses per day and then divide the result by the tablet strength.
In this case, the total daily dose is 320 mg and the number of doses per day is two. Therefore, the nurse should do the following calculation:
(320 mg / 2 doses) / 80 mg per tablet = 2 tablets per dose
The nurse should administer 2 tablets of sotalol 80 mg with each dose.
Correct Answer is ["5"]
Explanation
To calculate the dose of megestrol oral suspension for a client, the nurse needs to use the following formula: Dose (mL) = Ordered dose (mg) / Concentration (mg/mL).
In this case, the ordered dose is 200 mg and the concentration is 40 mg/mL. Therefore, the dose in mL is:
Dose (mL) = 200 mg / 40 mg/mL
Dose (mL) = 5 mL
The nurse should administer 5 mL of megestrol oral suspension to the client.
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