Vasoconstrictors are combined with local anesthetics for which reasons?
A) To enhance absorption
B) To reduce the risk of toxicity
C) To prevent bradycardia
D) To shorten the duration of action
E) To prolong anesthesia

Question

Quizplus · Accepted Answer

Vasoconstrictors, when combined with local anesthetics, reduce the risk of toxicity and prolong the anesthetic effects. Vasoconstrictors, when combined with local anesthetics, do not speed up the absorption process, prevent bradycardia, or shorten the duration of action.

Vasoconstrictors Are Combined with Local Anesthetics for Which Reasons