Which Theory of Aging Has Focused on the Role of Chronic

question 109

Multiple Choice

Which theory of aging has focused on the role of chronic stress in reducing immune-system functioning?

• A)Erikson's theory of socioemotional development
• B)free-radical theory
• C)cellular-clock theory
• D)hormonal stress theory

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Definitions:

Bathypelagic

A region of the ocean depths ranging from 1000 to 4000 meters, known for perpetual darkness and home to a variety of unique life forms.

Abyssal

Pertaining to the depths of the ocean, typically areas between 2,000 and 6,000 meters deep, characterized by cold temperatures and high pressure.

Mesopelagic

A layer of the ocean, also known as the twilight zone, that extends from 200 to 1000 meters below the surface, where only a small amount of light penetrates.

Phytoplankton

Microscopic plant-like organisms that float in fresh or salt water, form the base of aquatic food webs, and produce oxygen through photosynthesis.