1. According to the study, what is the main limiting factor in extending human life?
1) Cancer and heart disease
2) The natural aging process
3) Medical technology limitations
4) Environmental factors
2. Who led the research study discussed in the passage?
1) S. Jay Olshansky
2) A team from Nature Aging
3) Japanese researchers
4) Swiss scientists
3. In which publication was the study published?
1) Science Direct
2) Medical Journal
3) Nature Aging
4) Life Sciences Review
4. What was the increase in life expectancy between 1990 and 2019 in the longest-living countries?
1) 10 years
2) 8.5 years
3) 6.5 years
4) 4.5 years
5. Which of the following countries was NOT mentioned as having historically long life expectancies?
1) Japan
2) Italy
3) Switzerland
4) France
6. What is the probability of girls born in the studied regions reaching 100 years?
1) 1.8%
2) 5.3%
3) 7.5%
4) 3.2%
7. How much did life expectancy approximately increase from 1920 to 2020?
1) It tripled
2) It doubled
3) It increased by 50%
4) It increased by 25%
8. What is mentioned as a potential drug for extending life in animal trials?
1) Aspirin
2) Metformin
3) Statins
4) Insulin
9. What is the probability of boys born in the studied regions reaching 100 years?
1) 1.8%
2) 5.3%
3) 3.5%
4) 2.4%
10. Where is S. Jay Olshansky from?
1) University of Illinois Chicago
2) Harvard University
3) Stanford University
4) Yale University
11. What time period did the researchers analyze for life expectancy data?
1) 1920-2020
2) 1980-2019
3) 1990-2019
4) 2000-2019
12. According to the study, what needs to happen to achieve an average life expectancy of 100 years?
1) Cure all diseases
2) Improve medical technology
3) Develop treatments that slow down aging
4) Enhance organ transplantation
13. What is identified as a major challenge in extending human life?
1) Lack of medical facilities
2) Wear and tear of internal organs
3) Genetic limitations
4) Environmental factors
14. Which country’s data was used to support the findings?
1) United States
2) Canada
3) Germany
4) Australia
15. What is the main conclusion about current medical advances?
1) They are insufficient
2) They are too expensive
3) They may be reaching their limits
4) They are progressing rapidly
16. What period saw the most dramatic increase in life expectancy?
1) 19th century
2) 20th century
3) 21st century
4) 1990-2019
17. What type of research is mentioned as showing promise?
1) Gene therapy
2) Stem cell research
3) Animal trials with metformin
4) Organ regeneration
18. What is the title of the study?
1) “The Limits of Human Longevity”
2) “Implausibility of Radical Life Extension in Humans in the Twenty-First Century”
3) “Life Expectancy in Modern Times”
4) “The Future of Human Aging”
19. According to the passage, treating which diseases alone won’t significantly extend life?
1) Diabetes and heart disease
2) Heart disease and stroke
3) Cancer and heart disease
4) Cancer and diabetes
20. What is the current trend in life expectancy described in the passage?
1) Rapidly increasing
2) Slowing down
3) Remaining constant
4) Decreasing
21. What period was used as a baseline for comparing life expectancy changes?
1) 1900
2) 1990
3) 2000
4) 1950
22. What is suggested as the key to significant life extension?
1) Better disease treatment
2) Advanced medical technology
3) Addressing the aging process itself
4) Improved healthcare access
23. How is the increase in life expectancy during the 20th century described?
1) Gradual
2) Moderate
3) Dramatic
4) Minimal
24. What type of countries were primarily studied?
1) Developing nations
2) Countries with historically long life expectancies
3) European countries only
4) Asian countries only