Violation
Epinephrine (vasoconstrictor) is included in local anesthetics for the following reasons: 1. It prolongs the duration of action 2. It reduces toxicity 3. It reduces the rate of vascular absorption 4. lt provides a hemostatic effect to reduce bleeding at injection site
All of the above
1 and 3
2 and 4
1,2,3
1 and 4