The Aging Brain Answers

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1
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Which of the following is a correct statement about neural connections?

A
The number of neural connections increases throughout the lifespan.
B
Neural connections begin to decline after age twenty-five.
C
The number of neural connections is established soon after birth.
D
Neural connections may be gained or lost as a result of mental activity.
2
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Which of the following statements correctly contrasts Alzheimer's and Parkinson's Disease?

A
Alzheimer's is a neurological disorder while Parkinson's is a physical one.
B
Parkinson's affects primarily the systems in the brain that affect movement while Alzheimer's affects other systems first.
C
Parkinson's causes tangles of damaged neurons while Alzheimer's causes overall atrophy of the brain.
D
Alzheimer's affects only individuals over 70 while Parkinson's can strike at any age.
4

At what age can a person begin taking actions that will reduce the risk of dementia?

A
at any age
B
in middle adulthood
C
It is impossible to reduce risk.
D
in young adulthood

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