A nurse is preparing to administer 1,200,000 units of benzathine penicillin G IM. If the available benzathine penicillin G injection is 600,000 units/mL, how many mL should the nurse administer?

Answer and Explanation

The Correct Answer is ["2 "]

The nurse should administer 2 mL of benzathine penicillin G. Here’s the calculation: Step 1: The total dosage required is 1,200,000 units.

Step 2: Each mL of the injection contains 600,000 units of benzathine penicillin G.

Step 3: So, the volume to be administered is 1,200,000 units ÷ 600,000 units/mL = 2 mL.

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Free Nursing Study Resources

Correct Answer is ["15 "]

Explanation

Step 1: Convert the client’s weight from pounds to kilograms. 1 kg = 2.2 lb, so 44 lb ÷ 2.2 = 20 kg.

Step 2: Calculate the total daily dose of phenobarbital. The doctor ordered 6 mg/kg/day, so 6 mg/kg/day × 20 kg = 120 mg/day.

Step 3: Divide the total daily dose into two equal doses, as it is to be given every 12 hours. So, 120 mg/day ÷ 2 = 60 mg/dose.

Step 4: Calculate the volume of phenobarbital elixir to administer per dose. The available phenobarbital elixir is 20 mg/5 mL, so (60 mg ÷ 20 mg) × 5 mL = 15 mL. The nurse should administer 15 mL of phenobarbital elixir per dose.

Correct Answer is ["2 "]

Explanation

Step 1: Calculate the total daily dose of tobramycin. The doctor ordered 4 mg/kg/day, so 4 mg/kg/day × 60 kg = 240 mg/day.

Step 2: Divide the total daily dose into three equal doses, as it is to be given in three divided doses. So, 240 mg/day ÷ 3 = 80 mg/dose.

Step 3: Calculate the volume of tobramycin to administer per dose. The available tobramycin is 40 mg/mL, so 80 mg ÷ 40 mg/mL = 2 mL. The nurse should administer 2 mL of tobramycin per dose.

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A nurse is preparing to administer 1,200,000 units of benzathine penicillin G IM. If the available benzathine penicillin G injection is 600,000 units/mL, how many mL should the nurse administer?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer phenobarbital 6 mg/kg/day PO divided in equal doses every 12 hr to a client who weighs 44 lb. If the available phenobarbital elixir is 20 mg/5 mL, how many mL should the nurse administer per dose?

Correct Answer is ["15 "]

Explanation

A nurse is preparing to administer tobramycin 4 mg/kg/day IM divided in three equal doses to a client who weighs 60 kg. If the available tobramycin is 40 mg/mL, how many mL should the nurse administer per dose?

Correct Answer is ["2 "]

Explanation

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