The healthcare provider orders erythromycin ethylsuccinate 280 mg PO qid. The suspension contains 400 mg/5 mL. How many mL would you administer per dose? A. 3.5 mL B. 7 mL C. 0.7 mL D. 3 mL
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Since the ordered dose is 280 mg and the suspension contains 400 mg/5 mL, we can set up a proportion to find out how many mL are needed for 280 mg: 400 mg = 5 mL 280 mg = x mL Cross multiply: 400x = 5 * 280 400x = 1400 x = 1400 / 400 x = 3.5 mL Show more…
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