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 ["12.2"]
Explanation
To calculate the IV pump setting, first convert the newborn's weight from pounds to kilograms, knowing that 1 pound is equivalent to 0.453592 kilograms. The newborn weighs 6.7 pounds, which is approximately 3.039 kg (6.7 lb * 0.453592 kg/lb). Next, calculate the total amount of potassium needed per hour by multiplying the newborn's weight in kilograms by the prescribed dose: 0.4 mEq/kg/hr * 3.039 kg = 1.2156 mEq/hr. Since the available potassium is 10 mEq in 100 mL, this means there is 0.1 mEq/mL. To find out how many mL/hr to administer, divide the total mEq needed per hour by the concentration: 1.2156 mEq/hr ÷ 0.1 mEq/mL = 12.156 mL/hr. Rounded to the nearest tenth, the IV pump should be set to deliver 12.2 mL/hr.
Correct Answer is ["105"]
Explanation
To calculate the IV pump setting, we need to convert the dosage from mg/min to mg/hr, and then find out how many mL/hr this corresponds to, given the concentration of the solution. First, multiply the ordered dose by 60 minutes to convert to an hourly rate: 7 mg/min * 60 min/hr = 420 mg/hr. Next, since we have 1 g of lidocaine in 250 mL, we convert 1 g to mg, which is 1000 mg. Now, we have 1000 mg in 250 mL, so we need to find out how many mL are needed for 420 mg. Using a proportion, we have 1000 mg/250 mL = 420 mg/x mL. Solving for x gives us x = (420 mg * 250 mL) / 1000 mg, which equals 105 mL. Therefore, the nurse should set the IV pump to deliver 105 mL/hr.
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