Which Description Best Describes the Mechanism by Which Local Anesthetic

question 19

Multiple Choice

Which description best describes the mechanism by which local anesthetic drugs work?

• A) Anesthetic drugs bind to the sodium channels,the influx of sodium is interrupted,the action potential cannot rise,and the signal conduction is inhibited.
• B) Anesthetic drugs bind to the potassium channels,the influx of sodium is interrupted,the action potential cannot rise,and the signal conduction is inhibited.
• C) Anesthetic drugs bind to the sodium channels,the influx of potassium is interrupted,the action potential cannot rise,and the signal conduction is inhibited.
• D) Anesthetic drugs bind to the sodium channels,the influx of sodium and potassium is interrupted,the action potential cannot rise,and the signal conduction is inhibited.

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Definitions:

North American Body Language

The non-verbal signals and cues used in North American cultures to communicate feelings, intentions, or messages.

Self-concept

An individual's understanding and perception of themselves, built from experiences and feedback from the environment.

Open/Closed Body Positions

Describes nonverbal cues in communication where "open" positions indicate receptiveness and "closed" positions may suggest defensiveness or disinterest.

Coalition

A temporary alliance or partnership between individuals, groups, or countries, particularly formed for specific goals or to address certain issues.