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Alzheimer's Disease Progression and Mechanisms Quiz

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Questions and Answers

What is the protective mechanism mentioned in the text for Alzheimer's disease?

Regular physical exercise
Intermittent fasting
Lifelong learning (correct)
Social isolation

In Parkinson's disease, what is the role of Parkin?

Forms the basis of Lewy bodies
Increases dopamine release
Cleans up misfolded proteins (correct)
Inserts electrodes into subthalamic nucleus

Which treatment for Parkinson's disease involves inserting electrodes into the subthalamic nucleus?

L-DOPA
AB vaccine
Deep brain stimulation (correct)
Parkin therapy

What can be a risk factor for Parkinson's disease according to the text?

Rural living with exposure to pesticides (A) Signup and view all the answers

What is the effect of L-DOPA in Parkinson's disease treatment?

Increases dopamine release in remaining cells (B) Signup and view all the answers

Which structure is impacted by stress according to the text?

Hypothalamus (A) Signup and view all the answers

What are the effects of long-term exposure to glucocorticoids on the hippocampus?

Pruning of dendritic branches (D) Signup and view all the answers

How do glucocorticoids affect the HPA (hypothalamic-pituitary-adrenal) activity in the brain?

Send a signal to shut down HPA activity (B) Signup and view all the answers

What is the impact of chronic stress on the immune system?

Reduced immune function (C) Signup and view all the answers

How does high stress affect cold susceptibility according to the text?

Increases the chances of developing colds (B) Signup and view all the answers

What is the primary symptom associated with Major Depressive Disorder (MDD) mentioned in the text?

Suicidal ideation (D) Signup and view all the answers

How does DNA methylation influence gene expression according to the text?

Silences gene expression (A) Signup and view all the answers

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