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Biophysical and Psychosocial - Homeostasis, Stress, and Adaptation - Chapter 6

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Answer
adaptation :   a change or alteration designed to assist in adapting to a new situation or environment  
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adrenocorticotropic hormone (ACTH) :   a hormone produced by the anterior lobe of the pituitary gland that stimulates the secretion of cortisol and other hormones by the adrenal cortex  
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antidiuretic hormone (ADH) :   a hormone secreted by the posterior lobe of the pituitary gland that constricts blood vessels, elevates blood pressure, and reduces the excretion of urine  
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catecholamines :   any of the group of amines (such as epinephrine, norepinephrine, or dopamine) that serve as neurotransmitters  
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coping :   the cognitive and behavioral strategies used to manage the stressors that tax a person’s resources  
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dysplasia :   bizarre cell growth resulting in cells that differ in size, shape, or arrangement from other cells of the same tissue type  
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glucocorticoids :   the group of steroid hormones, such as cortisol, that are produced by the adrenal cortex; they are involved in carbohydrate, protein, and fat metabolism and have anti-inflammatory properties  
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gluconeogenesis :   the formation of glucose by the liver from noncarbohydrate sources, such as amino acids and the glycerol portion of fats  
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guided imagery :   the mindful use of a word, phrase, or visual image to achieve relaxation or direct attention away from uncomfortable sensations or situations  
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homeostasis :   a steady state within the body; the stability of the internal environment  
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hyperplasia :   an increase in the number of new cells of a tissue  
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hypoxia :   inadequate supply of oxygen to the cell  
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inflammation :   a localized, protective reaction of tissue to injury, irritation, or infection, manifested by pain, redness, heat, swelling, and sometimes loss of function  
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metaplasia :   a cell transformation in which there is conversion of one type of mature cell into another type of cell  
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negative feedback :   feedback that decreases the output of a system  
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positive feedback :   feedback that increases the output of a system  
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steady state :   a stable condition that does not change over time, or when change in one direction is balanced by change in an opposite direction  
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stress :   a disruptive condition that occurs in response to adverse influences from the internal or external environments  
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