Age, If Defined Purely from a Physiological Perspective, Is a Process

question 5

Multiple Choice

Age, if defined purely from a physiological perspective, is a process of deterioration of body systems. However, aging is more appropriately defined:

• A) As a process of slow brain deterioration
• B) By ageism-a term used to describe the aging process
• C) From several domains including physiologic, psychological, sociologic, and spiritual processes
• D) As related to cognitive ability-the ability to live independently

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Definitions:

Sleep Spindles

Brief bursts of brain activity detectable in EEG recordings during stage 2 of non-REM sleep, associated with learning, memory consolidation, and protection of sleep.

Stage 2 Sleep

A part of the sleep cycle characterized as the first actual stage of non-REM sleep, involving slowing heart rate and brainwaves, and preparation for deep sleep.

K Complexes

Specific brainwave patterns observed during stage 2 sleep, characterized by a brief surge of high voltage brain activity.

Paradoxical Sleep

Another term for REM (Rapid Eye Movement) sleep, characterized by active brain waves, flaccid muscles, and vivid dreams.