What Have Researchers Determined About the Cause of Alzheimer's Disease

question 164

Multiple Choice

What have researchers determined about the cause of Alzheimer's disease?

• A) It is caused by a lack of oxygen in the brain.
• B) The cause is currently unknown,but there appears to be an inherited predisposition to develop it.
• C) It is a caused by a genetic defect on the 21^st chromosome.
• D) It is caused by exposure to influenza in the womb.

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Definitions:

Dilates

Refers to the action of something expanding or becoming wider, typically in the context of body parts such as pupils or blood vessels.

Constricts

Describes the process of becoming narrower, tightened, or to cause something to become smaller or more restricted.

Bright Sunlight

A term describing intense, direct sunlight, often associated with positive effects on mood and health but can also pose risks such as sunburn or heatstroke.

Peripheral Vision

The part of vision that occurs outside the very center of gaze, allowing humans to see objects not directly looked at.