Early-Onset Alzheimer's Is Characterized by Onset of the Disease Before

question 14

Multiple Choice

Early-onset Alzheimer's is characterized by onset of the disease before what age?

• A)60
• B)65
• C)68
• D)70

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Definitions:

Myelin Sheath

A fatty layer that encases and insulates the axons of some neurons, enhancing the speed of electrical signal transmission.

Multiple Sclerosis

An autoimmune disease affecting the brain and spinal cord, characterized by damage to the myelin sheath that disrupts communication between the brain and the body.

Amygdala

A part of the brain within the temporal lobe that plays key roles in processing emotions such as fear, anger, and pleasure.

Endorphins

Naturally occurring peptides in the brain that act as neurotransmitters to reduce the perception of pain and can induce feelings of pleasure or euphoria.