Penicillin G procaine 240,000 units Intramuscularly (IM) is prescribed for a 4-year-old child who has a streptococcal respiratory infection. The medication vial is labeled, *1,200,000 units/2 mL" How many mL should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["0.4"]
Here's the breakdown of the calculation:
The medication vial is labeled 1,200,000 units/2 mL, which means there are 1,200,000 units of penicillin G per every 2 mL of the medication.
We need to find out how many mL are needed to administer the prescribed dose of 240,000 units.
To do this, we can divide the desired dose (240,000 units) by the concentration of the medication (units per mL).
Calculation:
Dose per mL = 1,200,000 units / 2 mL = 600,000 units/mL
Desired dose / Dose per mL = 240,000 units / 600,000 units/mL = 0.4 mL
Rounding to the nearest tenth, the nurse should administer 0.4 mL of Penicillin G procaine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.29"]
Explanation
Here's how to calculate the volume (mL) of epoetin alfa the nurse should administer for one dose:
1. Convert client weight to kilograms (kg):
Weight (kg) = Weight (pounds) / 2.205
Weight (kg) = 126 pounds / 2.205
Weight (kg) = 57.14 kg (round to two decimal places for better accuracy)
2. Calculate the dose per administration based on weight and prescribed dose:
Dose per administration (units) = Prescribed dose (units/kg) x Weight (kg)
Dose per administration (units) = 50 units/kg x 57.14 kg
Dose per administration (units) = 2857 units (round to nearest whole number)
3. Calculate the volume (mL) to administer for one dose:
Volume (mL) = Dose per administration (units) / Concentration (units/mL)
Concentration (units/mL) = 10,000 units/mL (given on the vial label)
Volume (mL) = 2857 units / 10,000 units/mL
Volume (mL) = 0.2857 mL (round to nearest hundredth as requested)
Therefore, the nurse should administer approximately 0.29 mL of epoetin alfa for one dose.
Correct Answer is ["20"]
Explanation
The prescribed dosage is 200 mg twice a day, so the total daily dosage in mg would be:
Dailydosageinmg = 2 × Dosageperdose = 2 × 200mg = 400mg
The medication is available in a concentration of 100 mg/5 mL.
Therefore, the volume to be administered per day in mL would be:
VolumeinmL = Dailydosageinmg / Concentrationinmg/mL = 400mg / 20mg/mL = 20mL
So, the nurse should administer 20 mL of cefixime oral suspension per day.
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