An infant who weighs 22 lb receives a prescription for amoxicillin 20 mg/kg/day PO in divided doses every 8 hours. The bottle is labeled, "Amoxicillin for Oral Suspension, USP 250 mg per 5 mL." How many mL should the nurse administer with each dose? (Enter numerical value only. If rounding is necessary, round to the nearest tenth.)
The Correct Answer is ["1.3"]
To calculate the dosage of amoxicillin for the infant, first convert the weight from pounds to kilograms, knowing that 1 kilogram equals 2.2 pounds. The infant weighs 22 pounds, which is equivalent to 10 kilograms (22 lb / 2.2 lb/kg). The prescription is for 20 mg/kg/day, so the total daily dosage is 200 mg (10 kg * 20 mg/kg). This total daily dosage is divided into three doses, as it is to be administered every 8 hours, resulting in
66.7 mg per dose (200 mg / 3). The medication is supplied as 250 mg per 5 mL, so to find out how many mL per dose, set up a proportion: 250 mg is to 5 mL as 66.7 mg is to X mL. Solving for X gives us 1.334 mL (66.7 mg * 5 mL / 250 mg), which rounds to 1.3 mL when rounded to the nearest tenth.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. The priority is to immediately intervene in the care being provided by the UAP and assess the client's condition to ensure prompt intervention if necessary.
B. While educating the UAP is important, immediate assessment and intervention for the client take precedence.
C. Investigating the reason for the UAP's actions can wait until after the client's condition has been assessed and stabilized.
D. Administering oral medications can wait until after the client's condition has been assessed and stabilized.
Correct Answer is A
Explanation
A. Diarrhea can lead to significant fluid and electrolyte imbalances, especially in older adults. Prioritizing hydration and electrolyte management is essential to prevent severe complications like renal failure or shock.
B. While caregiver stress is significant and must be addressed, it is not as immediately life-threatening as a fluid volume deficit.
C. This is an ongoing management issue but does not pose an immediate threat to the client's life compared to fluid and electrolyte imbalances.
D. Although important for overall care and prevention of complications such as pressure ulcers, it is not as critical as managing fluid volume deficit in this scenario.
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