A 180-pound patient received 108 mg of 3% mepivicaine. How many cartridges were used? Provide mathematical formulas required to calculate the correct answer
What will be an ideal response?
A 3% solution ml/cartridge equals 30 mg/ml. Compute the mg of 3% mepivicaine in one cartridge by multiplying 30 ml/cartridge by ml in one cartridge (30 x 1.8 = 54 mg). Next divide 108 mg received by mg/ml in each cartridge of 3% mepivicaine (108 รท 54 = 2). A total of two cartridges of 3% mepivicaine were received.
Health Professions
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What will be an ideal response?
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