A nurse is administering medications to a client who weighs 132 lb. The prescription reads chloramphenicol, 50mg/kg/day in 4 divided doses. Available is chloramphenicol 100 mg/mL. How many mL should the nurse give with each dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["7.5"]
Convert the client's weight from pounds to kilograms. We can use the formula 1 kg = 2.2 lb. So, 132 lb / 2.2 = 60 kg.
Calculate the total daily dose of chloramphenicol for the client. We can use the formula Dose (mg) = Weight (kg) x Dosage (mg/kg). So, 60 kg x 50 mg/kg = 3000 mg.
Divide the total daily dose by 4 to get the dose for each administration. So, 3000 mg / 4 = 750 mg.
Calculate the volume of chloramphenicol solution needed for each dose. We can use the formula Volume (mL) = Dose (mg) / Concentration (mg/mL). So, 750 mg / 100 mg/mL =
7.5 mL.
Round the answer to the nearest tenth. So, the nurse should give 7.5 mL of chloramphenicol solution with each dose.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.5"]
Explanation
Convert the client's weight from pounds to kilograms by dividing by 2.2. 198 lb / 2.2 = 90 kg
Calculate the dose of filgrastim in micrograms by multiplying the client's weight in kilograms by the prescribed dose per kilogram. 90 kg x 5 mcg/kg = 450 mcg
Calculate the volume of filgrastim in milliliters by dividing the dose in micrograms by the concentration of the available solution. 450 mcg / 300 mcg/mL = 1.5 mL
Round the answer to the nearest tenth. The nurse should plan to give 1.5 mL of filgrastim with each dose.
Correct Answer is C
Explanation
A. Prior episode of kidney stones: A history of kidney stones is not a contraindication to prednisone therapy. However, it may require monitoring due to potential fluid and electrolyte imbalances associated with corticosteroid use.
B. Taking levothyroxine orally: Taking levothyroxine orally is not a contraindication to prednisone therapy. However, concurrent use of corticosteroids and levothyroxine may require dosage adjustments of both medications due to potential interactions.
C. Has a systemic fungal infection: Corticosteroids like prednisone can suppress the immune system, increasing the risk of fungal infections and worsening existing fungal infections.
Therefore, the presence of a systemic fungal infection is a contraindication to corticosteroid therapy.
D. History of asthma: Asthma is not a contraindication to prednisone therapy. In fact, prednisone is commonly used as a treatment for asthma exacerbations. However, caution may be needed in individuals with asthma to avoid exacerbating symptoms or complications.
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