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Cannon regarded the fight-or-flight response as adaptive because it helps maintain homeostasis. Homeostasis refers to:
Aa permanent rise in arousal that keeps the body ready to act
Bthe depletion of adaptive energy after long exposure to stress
Cthe body's habit of reacting the same way to every stressor
Dan internal state holding blood pressure and temperature steady
Answer & Solution
Correct answer: D. an internal state holding blood pressure and temperature steady
1. Homeostasis is an internal environment in which physiological variables are stabilized at levels optimal for survival.
2. Those variables include blood pressure, respiration, digestion and temperature.
3. Cannon called fight-or-flight adaptive because it lets us adjust internally and externally to changes in our surroundings, which helps species survival.
4. A permanently raised arousal level is the opposite of a stabilized internal state.
5. Depleted adaptive energy belongs to Selye's stage of exhaustion, and reacting identically to every stressor is what nonspecific means.
_Source: OpenStax Psychology (1st ed., CC BY 4.0), Ch 14 "Stress, Lifestyle, and Health", section 14.1 What Is Stress?_
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