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Preparation of Benzocaine and Types of Local Anaesthetics

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Preparation of Benzocaine and Types of Local Anaesthetics

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Questions and Answers

What is the function of local anesthetics?

To amplify pain sensation in a restricted area of the body

To permanently destroy the nerve endings

To abolish pain sensation throughout the body

To reversibly block the generation and conduction of impulses along the axon (correct)

What is the classification of benzocaine?

General anesthetic

Type III: Miscellaneous group

Type II with amide group

Type I with ester group (correct)

What is the site of action of local anesthetics?

Throughout the body

Restricted to the site of application (correct)

In the brain

In the spinal cord

What is cocaine classified as?

<p>Type I with ester group</p> Signup and view all the answers

What is another example of a Type I local anesthetic with an ester group?

<p>Procaine</p> Signup and view all the answers

Study Notes

Anaesthetics

Classified into two types: General and Local anaesthetics

Local Anaesthetics

Reversibly block the generation and conduction of impulses along the axon
Used to abolish pain sensation in a restricted area of the body
Action is restricted to the site of application

Types of Local Anaesthetics

Ester Group (Type I)

Cocaine
Benzocaine
Procaine

Amide Group (Type II)

Dibucaine
Lidocaine

Miscellaneous Group (Type III)

Chlorbutanol

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Description

Learn about the classification of anaesthetics, characteristics of local anaesthetics, and types of local anaesthetics, including those with ester and amide groups.