The description of Old Old refers to individuals who are_____. a. 90-years-old and older b. 65-75 c. 75 or so to about 90 d. none of the above

To determine the correct answer to the question regarding the description of "Old Old," we need to analyze the options provided.

Analysis of Options

1. Option a: 90-years-old and older

   • This definition typically fits the term "Old Old," which is often used in gerontology to refer to the oldest segments of the older population.

2. Option b: 65-75

   • This age range usually falls under the category of "young old" or "early old age," rather than "Old Old."

3. Option c: 75 or so to about 90

   • Although this range includes some older adults, it is not specific enough to define the "Old Old" category, which generally refers to those older than 90.

4. Option d: none of the above

   • This option suggests that none of the provided definitions correctly define "Old Old."

Conclusion

Considering the definitions in gerontology, the best-fit option for "Old Old" is Option a: 90-years-old and older.

Final Answer

a. 90-years-old and older