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
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Correct Answer is B
Explanation
A: Auscultation, or listening for air injected into the tube, is not a reliable method for verifying feeding tube placement. It can lead to false positives and does not confirm the tube’s location accurately.
B: X-ray is the gold standard for verifying feeding tube placement. It provides a clear image of the tube’s position, ensuring it is correctly placed in the stomach or small intestine, reducing the risk of complications.
C: Aspiration of contents can help verify placement by checking the appearance and pH of the aspirate. However, it is not as definitive as an X-ray and can sometimes be inconclusive.
D: pH testing of aspirate can indicate whether the tube is in the stomach (acidic pH) or intestines (less acidic). While useful, it is not as reliable as an X-ray for confirming placement.
Correct Answer is A
Explanation
A: Having another nurse witness the wasted medication is the correct procedure. This ensures accountability and compliance with regulations regarding the handling and disposal of controlled substances.
B: Returning the wasted medication to the medication dispenser is not appropriate. Once a narcotic has been withdrawn, it cannot be returned to the dispenser due to contamination and safety protocols.
C: Placing the wasted portion of the medication in the sharps container is not correct. Narcotics should be disposed of according to specific protocols, which typically involve witnessing and documentation, not simply placing them in a sharps container.
D: Exiting the medication room to call the health care provider to request an order that matches the dosages is unnecessary. The nurse should follow the proper procedure for wasting the medication with a witness.
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