A 180-pound patient has received three cartridges of 2% lidocaine, 1:100,000 epinephrine. How many additional milligrams of 4% articaine, 1:200,000 epinephrine can be administered before reaching the MRD?
A) 72 mg
B) 192 mg
C) 228 mg
D) 392 mg

Question

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The Answer of A 180-pound patient has received three cartridges of 2% lidocaine, 1:100,000 epinephrine. How many additional milligrams of 4% articaine, 1:200,000 epinephrine can be administered before reaching the MRD?
A) 72 mg
B) 192 mg
C) 228 mg
D) 392 mg

A 180-Pound Patient Has Received Three Cartridges of 2% Lidocaine