Aging Quiz

Question 1

Life expectancy in 1900 and in 2010 was around:

Answer 1

50 years and 80 years

Question 2

In 2030, the proportion of the U.S. population age 65 years and older is projected to be:

Answer 2

20%

Question 3

Which of the following is NOT one of four typical dying trajectories associated with comorbidity and patterns of functional decline occurring over the last year of life?

• death from organ failure
• terminal illness
• nocturnal death
• frailty

Answer 3

nocturnal death

Question 4

Which of the following is NOT a reason that older people continue to drive after they have lost the ability to do so safely?

• social isolation
• depression
• nursing home care
• public transportation

Answer 4

public transportation

Question 5

Which disease is most strongly related to unsafe driving among older adults?

Answer 5

alzheimer’s disease

Question 6

True or False. A major distinction between “normal” aging and “diseased” aging is that in normal aging, activities of daily life are not impaired.

Answer 6

true

Question 7

True or False. The mechanisms behind why we age have been clearly identified and are well established.

Answer 7

false

Question 8

Which theory of aging suggests that aging is due to a genetically scheduled limit in cellular replication?

Answer 8

telomere theory

Question 9

True or False. It is likely that only a single theory of biological aging is correct, and that the other theories are off-track.

Answer 9

false

Question 10

The driving life expectancy of men and women in their early seventies is:

Answer 10

just over 10 years