Explain the Reason Why Local Anesthetics That Are Given by Injection

question 21

Multiple Choice

Explain the reason why local anesthetics that are given by injection occasionally contain epinephrine.

• A) Epinephrine acts as a preservative to maintain an extended shelf life.
• B) Epinephrine counteracts the vasodilation that occurs with local anesthetic use.
• C) Epinephrine counteracts the vasoconstriction that occurs with local anesthetic use.
• D) None of these are correct.