A nurse is preparing to give tobramycin 3 mg/kg/day IM in three divided doses to a patient who weighs 85 kg. The available tobramycin is 40 mg/mL. How many ml should the nurse administer per dose?
The Correct Answer is ["2.125"]
Step 1: Calculate the total daily dose of tobramycin for the patient. The patient weighs 85 kg and the prescribed dose is 3 mg/kg/day. So, the total daily dose is 85 kg × 3 mg/kg = 255 mg/day.
Step 2: Divide the total daily dose by the number of doses per day. The medication will be given in three divided doses. So, the dose per administration is 255 mg/day ÷ 3 = 85 mg/dose.
Step 3: Calculate the volume of tobramycin to be administered per dose. The available tobramycin is 40 mg/mL. So, the volume to be administered per dose is 85 mg/dose ÷ 40 mg/mL = 2.125 mL/dose. Therefore, the nurse should administer 2.125 mL of tobramycin per dose.
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Correct Answer is ["2.125"]
Explanation
Step 1: Calculate the total daily dose of tobramycin for the patient. The patient weighs 85 kg and the prescribed dose is 3 mg/kg/day. So, the total daily dose is 85 kg × 3 mg/kg = 255 mg/day.
Step 2: Divide the total daily dose by the number of doses per day. The medication will be given in three divided doses. So, the dose per administration is 255 mg/day ÷ 3 = 85 mg/dose.
Step 3: Calculate the volume of tobramycin to be administered per dose. The available tobramycin is 40 mg/mL. So, the volume to be administered per dose is 85 mg/dose ÷ 40 mg/mL = 2.125 mL/dose. Therefore, the nurse should administer 2.125 mL of tobramycin per dose.
Correct Answer is ["68"]
Explanation
Step 1 is convert the client's weight from pounds to kilograms. 99 lb ÷ 2.2 = 45 kg
Step 2 is calculate the required dose of acetaminophen in mg. 15 mg/kg × 45 kg = 675 mg
Step 3 is calculate the volume of acetaminophen solution required to administer 675 mg. 675 mg ÷ (1,000 mg ÷ 100 mL) = 67.5 mL
Rounded to the nearest whole number, the nurse should administer 68 mL of acetaminophen.
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