Which of the following theories sees aging as a process whereby cells are assumed to have a limitation on the number of times they can reproduce to repair damage?
A) wear-and-tear theory
B) cellular clock theory
C) activity theory
D) free radical theory

Question

Which of the following theories sees aging as a process whereby cells are assumed to have a limitation on the number of times they can reproduce to repair damage?
A) wear-and-tear theory
B) cellular clock theory 
C) activity theory
D) free radical theory

Quizplus · Accepted Answer

The cellular clock theory sees aging as a process whereby cells are assumed to have a limitation on the number of times they can reproduce to repair damage. This is due to telomere shortening, which occurs with each cell replication until the cell can no longer divide, leading to aging and cellular death. The wear-and-tear theory suggests that the mechanical stresses of daily use on the body's tissues and organs cause damage over time, leading to aging, while the free radical theory proposes that accumulated damage from free radicals leads to aging. The activity theory, on the other hand, suggests that an individual's level of activity and social involvement has an impact on their well-being in later life.

Which of the Following Theories Sees Aging as a Process