Penicillin G procaine 240,000 units intramuscularly 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"]
To find the answer, we can use the following formula:
(mL to be administered) = (units prescribed) / (units per mL)
Substituting the given values, we get:
(mL to be administered) = (240,000) / (1,200,000 / 2)
Simplifying, we get:
(mL to be administered) = (240,000 x 2) / (1,200,000)
(mL to be administered) = 480,000 / 1,200,000
(mL to be administered) = 0.4
Therefore, the nurse should administer 0.4 mL of penicillin G procaine to the child.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["168"]
Explanation
To find the answer, we can use the following steps:
- Convert the client's weight from pounds to kilograms by dividing by 2.2
- Multiply the weight in kilograms by the dosage in mg/kg
- Round the result to the nearest whole number
Using these steps, we get:
- (weight in kg) = (185) / (2.2) = 84.091 kg
- (dose in mg) = (2) x (84.091) = 168.182 mg
- (rounded dose in mg) = 168 mg
Therefore, the nurse should prepare to administer 168 mg of zidovudine IV to the client.
Correct Answer is ["0.7"]
Explanation
To find the answer, we can use the following steps:
- Convert the child's weight from pounds to kilograms by dividing by 2.2
- Calculate the dose of filgrastim in mcg by multiplying the weight in kg by the dosage in mcg/kg/day
- Divide the dose in mcg by the concentration of filgrastim in mcg/mL
- Round the result to the nearest tenth
Using these steps, we get:
- (weight in kg) = (88) / (2.2) = 40 kg
- (dose in mcg) = (5) x (40) = 200 mcg
- (volume in mL) = (200) / (300) = 0.667 mL
- (rounded volume in mL) = 0.7 mL
Therefore, the nurse should administer 0.7 mL of filgrastim to this child daily.
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