A nurse is preparing to administer amoxicillin 80 mg/kg/day divided into two doses daily to a 2-year-old client who weighs 10 kg (22 lb).
Available is amoxicillin suspension 400 mg/5 mL.
How many mL of amoxicillin should the nurse administer per dose? (Round the answer to the nearest whole number.)
Use a leading zero if it applies. Do not use a trailing zero.
2 mL
5 mL
8 mL
16 mL
The Correct Answer is B
Step 1. Calculate total daily dose
80 mg/kg/day×10 kg=800 mg/day
Step 2. Divide into two doses
800 mg/day÷2=400 mg/dose
Step 3. Determine concentration of available suspension
400 mg in 5 mL⇒80 mg/mL
Step 4. Calculate volume per dose
400 mg80 mg/mL=5 mL
Step 5. Round to nearest whole number
5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
The nurse should first check the pH of the gastric secretions to confirm the placement of the NG tube before administering the enteral feeding.
Choice A is wrong because flushing the tube with water should be done after confirming the placement of the NG tube.
Choice B is wrong because attaching the feeding bag tubing to the end of the NG tube should be done after confirming the placement of the NG tube.
Choice D is wrong because setting the administration rate on the feeding pump should be done after confirming the placement of the NG tube.
Correct Answer is C
Explanation
Bradycardia, or a slow heart rate, is a sign of digoxin toxicity in infants.

Digoxin is a medication used to improve the strength and efficiency of the heart and to control the rate and rhythm of the heartbeat.
However, an overdose can cause changes in the rate or rhythm of the heartbeat, including bradycardia.
Choice A is wrong because polyuria is not a sign of digoxin toxicity.
Choice B is wrong because diaphoresis is not a sign of digoxin toxicity.
Choice D is wrong because jaundice is not a sign of digoxin toxicity.
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