A nurse is preparing to administer cephalexin 250 mg PO to a client who has mastitis.
Available is cephalexin 500 mg tablets.
How many tablets should the nurse administer? (Round the answer to the nearest tenth.
Use a leading zero if it applies.
Do not use a trailing zero.)
The Correct Answer is ["0.5"]
Step 1: mg ÷ 500 mg = 0.5 The nurse should administer 0.5 tablets.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.5"]
Explanation
Step 1: Calculate the volume to be administered. 0.2 mg ÷ (0.4 mg/mL) = 0.5 mL The nurse should administer 0.5 mL.
Correct Answer is C
Explanation
Choice A rationale
Metformin should be taken with meals to help reduce stomach or bowel side effects that may occur during the first few weeks of treatment. Taking it in the afternoon with tea would not align with the prescribed timing.
Choice B rationale
Waiting 2 hours after eating the evening meal to take metformin is not recommended. Metformin should be taken with meals to help reduce gastrointestinal side effects.
Choice C rationale
Taking metformin when beginning the evening meal is correct as it helps reduce gastrointestinal side effects and ensures proper absorption.
Choice D rationale
If the client does not eat an evening meal, they should not wait until bedtime to take metformin. It should be taken with food to minimize gastrointestinal side effects.
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