A nurse is preparing to administer amoxicillin 100 mg PO every 8 hr to a toddler who weighs 20 kg. The recommended dosage range is 20 to 25 mg/kg/day. Which of the following actions by the nurse is appropriate?
The nurse administers the prescribed dosage.
The nurse determines the prescription is insufficient to achieve the desired effect.
The nurse contacts the pharmacist to adjust the prescribed dosage.
The nurse determines the prescription is above the recommended dosage range.
The Correct Answer is B
A) The nurse administers the prescribed dosage: Given the toddler weighs 20 kg and the recommended dosage range is 20 to 25 mg/kg/day, the total daily dosage required would be between 400 mg (20 kg × 20 mg/kg) and 500 mg (20 kg × 25 mg/kg). The prescribed dosage is 100 mg every 8 hours, which totals 300 mg/day (100 mg × 3 doses/day). This is below the recommended dosage range, indicating it might be insufficient.
B) The nurse determines the prescription is insufficient to achieve the desired effect: The prescribed dosage of 300 mg/day is less than the minimum recommended dosage of 400 mg/day. Therefore, it is appropriate to determine that the prescription may be insufficient for the required therapeutic effect.
C) The nurse contacts the pharmacist to adjust the prescribed dosage: While it is correct to recognize that the dosage might be insufficient, the nurse should first consult with the healthcare provider to adjust the prescription based on clinical judgment and specific patient needs rather than contacting the pharmacist directly.
D) The nurse determines the prescription is above the recommended dosage range: The prescribed dosage of 300 mg/day is actually below the recommended range of 400 to 500 mg/day. Therefore, it is incorrect to determine that the prescription is above the recommended range.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) 1600: If the nurse were to administer the next bag at 1600, it would imply that the current solution would need to last only 2 more hours. However, with 500 mL remaining and a total infusion time of 8 hours, this timing would not align with the need to complete the full infusion period appropriately.
B) 1800: Since the IV solution is meant to be infused over 8 hours and 500 mL (half of the total 1,000 mL) has been infused by 1400, the remaining 500 mL should also be infused over the next 4 hours. Infusing the next bag at 1800 would ensure that the entire 8-hour infusion time is met correctly.
C) 1700: Administering the next bag at 1700 would mean that there would be only 3 hours left to infuse the remaining solution. This timing would not allow for a complete 8-hour infusion period as required.
D) 1500: If the nurse were to administer the next bag at 1500, it would be too early, as only 2 hours would have passed since starting the current bag. This would not be appropriate given the need to infuse the solution over the full 8-hour period.
Correct Answer is ["0.2"]
Explanation
Desired dose = 2 mg
Available concentration = 10 mg/mL
To calculate the volume to administer:
Volume (mL) = Desired dose (mg) / Concentration (mg/mL)
Volume = 2 mg / 10 mg/mL = 0.2 mL
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