Lifespan Development Final Exam| 100 Questions | With Complete Solutions

This is the term that refers to biological aging correct answer: Senescence The "genetic programming" theory of aging proposes the existence of _____________ that control biological changes A. Telomeres B. Heritability C. Free radicals D. Aging Genes correct answer: D. Aging Genes Theories about aging can be organized into two groups, those that emphasize __________ and those that emphasize _________ . correct answer: programmed effects of specific genes & cumulative effects of random events These naturally occurring, highly reactive chemicals form in the presence of oxygen. These destroy nearby cellular material, increasing vulnerability to disorders of aging. a. Telomeres b. Heritability c. Free radicals d. Aging genes correct answer: C. Free radicals Which of the following can accelerate telomere shortening? Telomere shortening contributes to age-related physical degradation. a. Mutations b. Child-bearing c. Puberty d. Maternal severe emotional stress correct answer: D. Maternal severe emotional stress Athletic tasks that require speed of limb movement, explosive strength, and gross motor coordination typically peak in: a. Early twenties b. Late twenties and early 30's c. Early adolescence d. Mid life correct answer: A. Early Twenties Which of the following is true about the physical changes at the end of early adulthood? a. Hair grays and thins b. Loss of smell receptors begins c. Sensitivity to sound declines d. Cartilage in the joints thins and cracks correct answer: C. Sensitivity to sound declines Which of the following is true about a physical change that starts in the beginning of early adulthood? a. Brain weight declines b. Capacity of immune system to offer protection declines c. Epidermis holds less tightly to the dermis