Module 41 - 22:56 Stress the process by which we perceive...

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22:56 Stress - the process by which we perceive and respond to certain events, called stressors, that we appraise as threatening or challenging General adaptation syndrome (GAS) - selye’s concept of the body’s adaptive response to stress in three stages- alarm, resistance, exhaustion Coronary heart disease - the clogging of the vessels that nourish the heart muscle; the leading cause of death in many developed countries Type A - Friedman and Rosenman’s term for competitive, hard-driving, impatient, verbally aggressive, and anger-prone people Type B - Friedman and Rosenman’s term for easygoing, relaxed people Psychophysiological illness - literally “mind-body” illness; any stress-related physical illness, such as hypertension and some headaches. NOTE: this is distinct from hypochondriasis- misinterpreting normal physical sensations as symptoms of a disease Lymphocytes - the two types of white blood cells that are part of the body’s immune system: B lymphocytes form in the bone marrow and release antibodies that fight bacterial infections; T lymphocytes form in the thymus and other lymphatic tissue and attack cancer cells, viruses, and foreign substances Stressors can have positive effect Momentary stress can mobilize the immune system for fending off infections and healing wounds Stressors can threaten us Experiencing severe/prolonged stress may harm us Children’s physiological responses to severe child abuse put them at later risk of chronic disease Extreme cold, lack of oxygen, and emotion-arousing incidents all trigger an outpouring of the stress hormones epinephrine and norepinephrine from the adrenal glands When alerted by any number of brain pathways, the sympathetic nervous system increases heart rate and respiration, diverts blood from digestion to the skeletal muscles,
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Module 41 - 22:56 Stress the process by which we perceive...

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