All of the Following Are True of Topical Anesthetics Used

Multiple Choice

All of the following are true of topical anesthetics used in dentistry EXCEPT one.Which one is the EXCEPTION?

A) Lidocaine may contain preservatives such as the parabens that could induce an allergic response.
B) Topical anesthetics are possible allergens.
C) Benzocaine is a commonly used amide topical anesthetic that can contribute to an allergic reaction.
D) Tetracaine can contribute to an allergic response.