Ati lpn med surg cardiac proctored test
Calculation
A nurse is preparing to administer potassium chloride 20 mEq. The amount available is potassium chloride liquid 40 mEq/15 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.) _______ mL
mL.
Explanation & Rationale
Desired dose = 20 mEq. Concentration = 40 mEq per 15 mL. mL required = 20 mEq × (15 mL / 40 mEq) = 20 × 0.375 = 7.5 mL. Rounded to nearest tenth → 7.5 mL.
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