Why do local anesthetics that are given by injection occasionally contain epinephrine?

A. Epinephrine counteracts the vasodilation that occurs with local anesthetic use.
B. Epinephrine counteracts the vasoconstriction that occurs with local anesthetic use.
C. Epinephrine acts as a preservative in maintaining an extended shelf life.
D. None of the above are true.


Answer: A

Nursing

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