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...

Neurodegenerative Diseases: Natural Course

10 Questions

0 Views

Neurodegenerative Diseases: Natural Course

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 the name of the phase where neurons lose function and die but symptoms are not detected in neurodegenerative diseases?

Symptomatic phase

Diagnostic phase

Preclinical phase (correct)

Intervention phase

In Parkinson's disease, what imbalance is created by the loss of dopaminergic (DA) neurons?

Imbalance between inhibitory and excitatory pathways in the motor cortex

Imbalance between the cerebellum and the basal ganglia

Imbalance between VA and VL of the Thalamus

Imbalance between the striatopallidal and striatonigral pathways (correct)

Why is pharmacological intervention during the preclinical phase of a neurodegenerative disease crucial?

To delay the onset of symptoms (correct)

To increase neurogenesis

To reverse neuronal cell death

To diagnose the disease

What effect does the heavier activation of the striatopallidal pathway have on the Thalamus in Parkinson's disease?

Inhibits the VA/VL nuclei Signup and view all the answers

Why is Parkinson's disease classified as a hypokinetic disorder?

Because it results in a decrease in movement and UMN excitability Signup and view all the answers

Which of the following is NOT a cardinal sign of Parkinson's Disease?

Chorea Signup and view all the answers

What is the main pathological hallmark observed in the Substantia Nigra pars compacta (SNc) of individuals with Parkinson's Disease?

Lewy Bodies Signup and view all the answers

What is the compensatory mechanism that occurs in the striatum of individuals with Parkinson's Disease due to the loss of dopaminergic neurons?

Upregulation of D1/D2 receptors Signup and view all the answers

Which theory suggests that free radicals can lead to oxidative damage in the mitochondria, potentially contributing to Parkinson's Disease?

Free Radical Theory Signup and view all the answers

Which factor is NOT associated with an increased risk of developing Parkinson's Disease?

Younger Age Signup and view all the answers