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Chapter 3
Vocab for Chapter 3 of Choosing Health by April Lynch
16
Fitness
Undergraduate 1
09/08/2011

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Term
stress
Definition
The collective psycholbiological condition that occurs in reaction to a disruptive, unexpeccted, or exciting stimulus.
Term
stressor
Definition
Any physical or psychological condition, event, or factor that causes positive or negative stress.
Term
eustress
Definition
Stress resulting from positve stressors
Term
distress
Definition
Stress resulting form negative stressors
Term
stress response
Definition
the specific psychobiological changes that occur witha stressor and return to homeostatsis.
Term
homeostasis
Definition
The body's desired state of pgysiological equilibrium or balance.
Term
cortisal
Definition
Adrenal gland hormone that is secreeted at higher levels during th estress response; also called epinephrine
Term
fight-or-flight response
Definition
A series of physiological reactions to a stressor designed to enable the body to stand and fight or to flee.
Term
adaptive reponse
Definition
Protective physiological addaptions in reponse to stressors.
Term
general adaptation syndrome (GAS)
Definition
An adaptive response consisting of three stages - alarm, resistance, exhaustion - through which the body strives to maintain or restore homeostatsis.
Term
allostasis
Definition
The short-term adaptive processes that helps the body return to homeostasis.
Term
allostatic overload.
Definition
The wear and tear the body experiences as the result of the continuous or repeated demands of allostasis.
Term
chronic stress syndrome
Definition
Collection of symptoms resulting from the long=term effects of prolonnged exposure to the body's physiological stress reponses.
Term
psychoneuroimmunology
Definition
The study of the interactions among psychological processes, the nervous system, hormones, and the immune system.
Term
sleep debt
Definition
A condition occurring when the amount of sleep you attain is less than the amount you need for optimal functioning.
Term
relaxation reponse.
Definition
The physiological opposite response to fight-or-flight that canb e activated through relaxation techniques.
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