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...

Neurotransmitters and Receptors in Chemical Synapses

11 Questions

0 Views

Neurotransmitters and Receptors in Chemical Synapses

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

What is required for a neurotransmitter to pass to the postsynaptic membrane?

A minimum of three different receptors

At least two identical receptors (correct)

All receptors in the postsynaptic membrane

Only one specific receptor

What is the function of the enzyme Ach-esterase in the postsynaptic membrane?

To produce more Ach

To activate Ach receptors

To rapidly destroy Ach (correct)

To prolong the lifetime of Ach

What is the effect of anticholinesterase drugs on Ach?

They accelerate the destruction of Ach

They increase the production of Ach

They prolong the lifetime of Ach (correct)

They have no effect on Ach

Why is it essential for each neurotransmitter to have a specific receptor?

To prevent the wrong neurotransmitter from binding to a receptor Signup and view all the answers

What is the result of Ach binding to its receptor in the postsynaptic membrane?

Ach-esterase is activated Signup and view all the answers

What is the characteristic of Myasthenia Gravis as an autoimmune disease?

Type 2 hypersensitivity Signup and view all the answers

What is the primary effect of the pathology of the receptor in the postsynaptic membrane in Myasthenia Gravis?

Normal electrical charge is not established on the postsynaptic membrane Signup and view all the answers

Which muscle groups are typically affected in Myasthenia Gravis?

Skeletal and extraocular muscle Signup and view all the answers

What is the mechanism of action of the Antibodies in Myasthenia Gravis?

They bind to the nicotinic receptor and prevent it from binding to Ach Signup and view all the answers

What is the emergency complication of Myasthenia Gravis?

Myasthenia crisis Signup and view all the answers

What is the outcome of long-term use of anticholinesterase drugs in Myasthenia Gravis patients?

Toxicity and respiratory failure Signup and view all the answers