Which of the following topical anesthetics is used as a "freezing" method to block pain receptors in skin?

Question

Quizplus · Accepted Answer

Ethyl chloride is often used as a "freezing" method to create a cold sensation on the skin and block pain receptors. Cocaine is a topical anesthetic but is not commonly used for this purpose due to its high potential for abuse. Lidocaine and tetracaine are also topical anesthetics but are not typically used as freezing methods.

Which of the Following Topical Anesthetics Is Used as a "Freezing