A nurse is preparing to administer procaine penicillin G 1,200,000 units IM to a client who has a gonococcal infection. Available is procaine penicillin G injection 600,000 units/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2"]
To calculate the correct dosage, the nurse needs to divide the total units prescribed by the concentration of units per milliliter available. In this case, 1,200,000 units prescribed divided by 600,000 units per mL results in 2 mL.
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Related Questions
Correct Answer is ["10"]
Explanation
To administer the correct dose of docusate sodium liquid, which is 50 mg per 5 mL, for a total daily prescription of 200 mg, the nurse would need to give two equally divided doses. This means each dose should be 100 mg. To calculate the amount in milliliters for each dose, the nurse would use the following ratio: 50 mg is to 5 mL as 100 mg is to X mL. Solving for X, the calculation is (100 mg * 5 mL) / 50 mg, which equals 10 mL.
Correct Answer is ["25"]
Explanation
To calculate the volume of propranolol solution the client should self-administer per dose, you would divide the total daily dose by the concentration of the solution. The prescription is for 200 mg daily, to be taken in equal doses every 12 hours, which means each dose should be 100 mg. With the solution concentration at 4 mg/mL, you would divide 100 mg by 4 mg/mL to find the volume needed for one dose. This calculation results in 25 mL per dose.
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