A nurse is preparing to administer amoxicillin 320 mg PO every 12 hours to an infant. The amount available is amoxicillin suspension 400 mg/5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["4.0"]
Step 1: Determine the dosage required. 320 mg
Step 2: Determine the concentration of the suspension. 400 mg per 5 mL
Step 3: Calculate the volume needed. 320 mg ÷ 400 mg per 5 mL = 320 ÷ 400 × 5 = 0.8 × 5 = 4 mL
The nurse should administer 4.0 mL per dose.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A: Checking the dosage with a more experienced nurse is not the best action. While it may provide some guidance, it does not ensure the accuracy of the order.
B: Consulting a drug handbook and administering the normal dose is not appropriate. The nurse must verify the specific order for the patient rather than assuming a standard dose.
C: Contacting the hospital pharmacist about the order can be helpful, but the pharmacist may not be able to clarify the prescriber’s intent if the order is illegible.
D: Contacting the health care provider to clarify the illegible order is the best action. This ensures that the nurse administers the correct dose as intended by the prescriber, preventing medication errors.
Correct Answer is C
Explanation
A: Clostridium difficile infection typically develops after prolonged antibiotic use and is not the most likely cause of diarrhea immediately after starting enteral feeding.
B: Antibiotic therapy can cause diarrhea, but it is not the most likely cause in this scenario where the diarrhea started soon after beginning enteral feeding.
C: Formula intolerance is the most likely cause of diarrhea shortly after starting enteral feeding. The patient’s digestive system may not tolerate the formula well, leading to diarrhea.
D: Bacterial contamination is a possible cause but is less likely to cause immediate diarrhea after starting enteral feeding compared to formula intolerance. Proper handling and preparation of the formula should minimize this risk.
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