ATI Dosage calculation lpn maternal newborn proctored assessment 3.2
Calculation
A nurse is preparing to administer loperamide 4mg PO to a client who is postpartum and has diarrhea. Available is loperamide liquid 1 mg/7.5 mL. How many mL should the nurse administer? Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.
mL
Explanation & Rationale
Given: Prescribed dose: 4 mg of loperamide Available concentration: 1 mg/7.5 mL Steps to solve: Determine the volume to be administered: Set up a proportion to solve for the unknown volume (X): 1 mg/7.5 mL = 4 mg/X mL Cross-multiplying gives us: 1 mg x X mL = 4 mg x 7.5 mL Simplifying: X = 30
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