Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Pharmacology of Local Anaesthesia (BDS & DTH Year 1)

10 Questions

0 Views

Pharmacology of Local Anaesthesia (BDS & DTH Year 1)

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which type of nerve fibers are most affected by local anaesthetics?

Neurons positioned deeper within the tissue

Larger neurons with more myelin

Neurons with less myelin

Smaller neuronal alpha-delta fibres (correct)

What is the elimination half-life of lignocaine in the liver?

3 hours

1 hour

2 hours (correct)

4 hours

What is the primary mechanism of cardiovascular toxicity caused by lignocaine?

Blockage of chloride channels

Blockage of calcium channels

Blockage of potassium channels

Blockage of sodium channels (correct)

What is the primary cause of true allergy to local anaesthetics?

Type I IgE-mediated immunological reaction Signup and view all the answers

What is the common symptom of an allergic reaction to ester-type local anaesthetics?

Generalised urticaria and pruritus Signup and view all the answers

What is the reason for avoiding octapressin in pregnancy?

It can induce labour Signup and view all the answers

What is the common cause of autonomic response to an injection in patients undergoing dental procedures?

Anxiety or adrenaline injection Signup and view all the answers

What is the first modality to disappear during local anaesthesia?

Pain Signup and view all the answers

What is the primary factor that determines the plasma concentration of local anaesthetics?

All of the above Signup and view all the answers

What is the common complication of local anaesthesia at therapeutic plasma concentrations?

Tachycardia Signup and view all the answers