In Order to Provide Symptomatic Relief from Minor Surface Irritation

question 7

Multiple Choice

In order to provide symptomatic relief from minor surface irritation and injury (minor burns,abrasions,and so forth) ,local anesthetics are typically applied:

• A)intravenously.
• B)intrathecally.
• C)topically.
• D)by inhalation.
• E)none of the above;local anesthetics are never applied for symptomatic relief of minor skin irritation.

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Definitions:

β-Ketoester

An ester compound containing a ketone group (C=O) at the beta-position relative to the ester group.

Claisen Condensation

A chemical reaction where two esters or an ester and a carbonyl compound react in the presence of a base to form a β-keto ester or a β-diketone.

Ester Enolate

A reactive intermediate formed from the deprotonation of an ester, used in various organic synthesis reactions.

pKa

A quantitative measure of the strength of an acid in solution, representing the acid dissociation constant on a logarithmic scale.