One milliliter of a 1% local anesthetic solution contains how many milligrams?

Study for the NPLEX II Minor Surgery Test. Prepare with flashcards and multiple-choice questions, offering hints and explanations for each task. Master your exam confidently!

Multiple Choice

One milliliter of a 1% local anesthetic solution contains how many milligrams?

Explanation:
Understanding how percent concentration translates to milligrams per milliliter helps with this. A 1% solution means 1 gram of solute in 100 milliliters. 1 gram equals 1000 milligrams, so 1000 mg in 100 mL equals 10 mg per one milliliter. Therefore, one milliliter of a 1% local anesthetic contains 10 mg. (For reference, 0.5% would be 5 mg/mL, 2% would be 20 mg/mL, and 5% would be 50 mg/mL.)

Understanding how percent concentration translates to milligrams per milliliter helps with this. A 1% solution means 1 gram of solute in 100 milliliters. 1 gram equals 1000 milligrams, so 1000 mg in 100 mL equals 10 mg per one milliliter. Therefore, one milliliter of a 1% local anesthetic contains 10 mg. (For reference, 0.5% would be 5 mg/mL, 2% would be 20 mg/mL, and 5% would be 50 mg/mL.)

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