The Problem(s) with Topical Anesthesia Is(are)

Multiple Choice

The problem(s) with topical anesthesia is(are) :

A) Dosage control
B) All are esters except 5% lidocaine
C) Concentrations used exceed concentrations administered by injection
D) Topical anesthetic agents containing benzocaine are, by far, the most common
E) All of the above