A pre-felling syringe contain 50mg of lidocaine per 5ml.Express the percentage stregth of the lidocaine?
Answers:
That's 10 mg/cc, or 1%, which is a standard concentration for lidocaine.
1%, common as dirt for lidocaine preparations.
The trick here is to remember that when you see "%" in medications it isn't the fraction that you're used to dealing next to, but shorthand for "grams per deciliter." A deciliter is 100 ml. Your concentration of 50 mg in 5 ml equates to 1000 mg in 100 ml, or one gram per deciliter.
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