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...

Synaptic Communication & Neuropharmacology Quiz

15 Questions

0 Views

Synaptic Communication & Neuropharmacology Quiz

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 receptors are ligand-gated ion channels composed of subunits?

G protein-coupled receptors

Ionotropic receptors (correct)

Voltage-gated calcium channels

Metabotropic receptors

Which neurotransmitter tends to open chloride ion channels?

GABA (correct)

Acetylcholine

Neurotransmitters do not open chloride ion channels

Glutamate

What is the major excitatory neurotransmitter in the brain?

GABA

Serotonin

Glutamate (correct)

Acetylcholine

What is the major inhibitory neurotransmitter in the brain?

GABA Signup and view all the answers

What can lead to disorders if mutations occur in genes encoding proteins in the postsynaptic density?

Changes to the postsynaptic density Signup and view all the answers

Which subunits make up G proteins?

Alpha, beta, and gamma Signup and view all the answers

What happens when the neurotransmitter binds to the G protein?

The G protein splits and the alpha subunit moves to bind to effect proteins or ion channels Signup and view all the answers

What do second messenger systems do?

Both A and B Signup and view all the answers

What do stimulatory G proteins do?

Activate second messenger cascades Signup and view all the answers

What can alter neuronal communication?

Both A and B Signup and view all the answers

Which of the following is true about the resting membrane potential of a neuron?

It is -70 millivolts Signup and view all the answers

What is the role of neurotransmitters in neural communication?

They are released into the synapse to pass signals from one neuron to the next Signup and view all the answers

What is the function of potassium channels in a neuron at rest?

They allow potassium to flow in and out along the electrical and concentration gradients Signup and view all the answers

What is the difference between electrical and concentration gradients in a neuron?

Electrical gradient is the difference in electrical charge between two adjacent areas, while concentration gradient is the difference in concentration of ions between two adjacent areas Signup and view all the answers

What is the role of sodium-potassium pumps in a neuron?

They restore chemical and electrical gradients Signup and view all the answers