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22 Cards in this Set
- Front
- Back
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any physical or psychological event or condition that produces physical and emotional reactions
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stressor
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the physical and emotional reactions to a stressor
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stress
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the branch of the nervous system that controls basic body processes; consists of the sympathetic and parasympathetic divisions
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autonomic nervous system
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a division of the autonomic nervous system that moderates the exitatory effect of the sympathetic division, slowing metabolism and restoring energy supplies
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parasympathetic division
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a division of the sutonomic nervous system that reacts to danger or other challenges by almost instantly accelerating body processes
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sympathetic division
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a neurotransmitter released by the sympathetic nervous systme onto specific tissues to increase their function in the face of increased activity; causes arousal (increased attention, awareness, and alertness); noradrenaline
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norepinepherine
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the system of glands, tissues, and cells that secretes hormones into the bloodstream to influence metabolism and other body processes
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endocrine system
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a chemical messenger produced in the body and transported i the bloodstream to target cells or organs for specific regulation of their activities
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hormone
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a steroid hormone secreted by the cortex (outer layer) of the adrenal gland; hydrocortisone
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cortisol
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a hormone secreted by the medulla (inner core) of the adrenal gland that affects the functioning of organs involved in responding to a stressor; adrenaline
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epinephrine
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brain secretions that have pain-inhibiting effects
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endorphins
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a defense reaction that prepares a person for conflict or escape by triggering hormonal, cardiovascular, metabolic, and other changes
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fight-or-flight reaction
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a state of stability and consistency in a person's physiological functioning
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homeostasis
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the branch of the peripheral nervous system that govern motor function and sensory information, largely under conscious control
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somatic nervous system
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the sum of behavioral, cognitive, and emotional tendencies
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personality
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a pattern of stress responses consisting of three stages: alarm, resistance, and exhaustion
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general adaptation syndrome (GAS)
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stress resulting from a pleasant stressor
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eustress
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stress resulting from an unpleasant stressor
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distress
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the long-term negative impact of the stress response on the body
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allostatic load
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the study of the interactions among the nervous, endocrine, and immune systems
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psychonueuroimmunology (PNI)
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a physiological state characterized by a feeling of warmth and quiet mental alertness
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relaxation response
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a mood disorder characterized by loss of interest, sadness, hopelessness, loss of appetite, disturbed sleep, and other physical symptoms
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depression
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