7/20/25, 7:06
PM
MBI 131 FINAL EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS
VERIFIED GRADED A++ 2025/2026
Terms in this set (183)
Most common form of dementia (loss of brain
function) among older adults
Alzheimer's Disease
Affects behavior,
thinking, memory
Progressive: Gets
worse with time
2014 estimates: 5.2 million cases
200,000 are
Alzheimer's Cases younger than
age 65 5
million are age
65 or older
3.2 million women
1.8 million men
Alzheimer's Disease
1/27
,7/20/25, 7:06
PM
#6 cause of death in Only top-10 cause of death with no
US known prevention, cure, or treatment
that will slow disease progression!!
Why are the "Baby boomers" are aging
Alzheimer's disease Life spans are longer than in the past
cases&deaths going More elderly
to increase in the people = More
coming years? cases of AD 16
million cases by
2050 (projected)
Women & Alzheimer's If a woman lives to age 65, she has a 1/6
Disease chance of developing AD in her remaining
years of life
Men & Alzheimer's If a man lives to age 65, he has a 1/11
Disease chance of developing AD in his remaining
years of life
What is the most Alzheimer'
expensive disease in s Disease
the U.S. 2014 costs
of $214
billion
Estimated costs of $1.2 trillion in 2050
Neurofibrillary tangles Twisted fragments of tau protein within brain
cells that disrupt cell function
Beta-amyloid plaques Clusters of dead and dying brain cells and
2/27
, 7/20/25, 7:06
PM
protein
Nerve cells die
Neurotransmitter levels drop
What happens to a Communication among
brain with alzheimer's brain cells is disrupted
disease? Brain shrinks
What is the cause of Unknown, Several risk factors have
Alzheimer's? been associated with development of
AD, but specific roles of risk factors in
disease process are not known
Age
-5% of people ages 65 to 74 have AD
-50% of people age 85
and older have AD
Risk Factors for Family History
Alzheimer's -APOE-
e4 gene
Being
female
Poor
cardiovascular
health history
of head
trauma
3/27
PM
MBI 131 FINAL EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS
VERIFIED GRADED A++ 2025/2026
Terms in this set (183)
Most common form of dementia (loss of brain
function) among older adults
Alzheimer's Disease
Affects behavior,
thinking, memory
Progressive: Gets
worse with time
2014 estimates: 5.2 million cases
200,000 are
Alzheimer's Cases younger than
age 65 5
million are age
65 or older
3.2 million women
1.8 million men
Alzheimer's Disease
1/27
,7/20/25, 7:06
PM
#6 cause of death in Only top-10 cause of death with no
US known prevention, cure, or treatment
that will slow disease progression!!
Why are the "Baby boomers" are aging
Alzheimer's disease Life spans are longer than in the past
cases&deaths going More elderly
to increase in the people = More
coming years? cases of AD 16
million cases by
2050 (projected)
Women & Alzheimer's If a woman lives to age 65, she has a 1/6
Disease chance of developing AD in her remaining
years of life
Men & Alzheimer's If a man lives to age 65, he has a 1/11
Disease chance of developing AD in his remaining
years of life
What is the most Alzheimer'
expensive disease in s Disease
the U.S. 2014 costs
of $214
billion
Estimated costs of $1.2 trillion in 2050
Neurofibrillary tangles Twisted fragments of tau protein within brain
cells that disrupt cell function
Beta-amyloid plaques Clusters of dead and dying brain cells and
2/27
, 7/20/25, 7:06
PM
protein
Nerve cells die
Neurotransmitter levels drop
What happens to a Communication among
brain with alzheimer's brain cells is disrupted
disease? Brain shrinks
What is the cause of Unknown, Several risk factors have
Alzheimer's? been associated with development of
AD, but specific roles of risk factors in
disease process are not known
Age
-5% of people ages 65 to 74 have AD
-50% of people age 85
and older have AD
Risk Factors for Family History
Alzheimer's -APOE-
e4 gene
Being
female
Poor
cardiovascular
health history
of head
trauma
3/27
