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Chapter 6 Material

by: Bailee Zemlock

Chapter 6 Material PSY 462

Bailee Zemlock
GPA 3.5
Health Psychology
Dr. Luecken

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About this Document

Health Psychology
Dr. Luecken
Class Notes
25 ?




Popular in Health Psychology

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This 3 page Class Notes was uploaded by Bailee Zemlock on Sunday September 20, 2015. The Class Notes belongs to PSY 462 at Arizona State University taught by Dr. Luecken in Summer 2015. Since its upload, it has received 56 views. For similar materials see Health Psychology in Psychlogy at Arizona State University.


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Date Created: 09/20/15
Chapter 6 Understanding Stress Immunity and Disease September 17 2015 Does stress make you sick It is often linked to Headaches Colds us infections Decrease wound healing Heart disease Cancer questionable Diabetes does not cause it but makes you more vulnerable 0 AIDS Why is stressed linked to these illnesses 1 You change your behavior when stressed 2 Biological dysregulation bodily reactions change Neuroendocrine Effects of CHRONIC Stress Too much norepinephrine and epinephrine production 0 Suppress immune system 0 Increase blood pressure 0 Irregular hear rhythms Too much cortisol o Suppresses immune system 0 Destroys neurons 0 Direct storage of fat to central adipose tissue I It s better to store fat in hips thighs than in waist stomach 0 Increase insulin sensitivity How do germs enter the body Direct contact kissing handshaking sex Indirect transmission air particles water sharing a drink Vectorborne transmission mosquito bite How do we protect ourselves Physical barriers in on the body skin saliva eyelashes ear hair nails Rejection of foreign organism sneeze cough vomit Chemical barriers intestinal microbes tears sweat The immune system The Immune System Consists of tissues organs and processes that protect the body from illness AKA the surveillance system of the body It looks for cells that have mutated cancerous cells foreign cells Lymphatic System organs vessels and tissues of the immune system 0 Lymph circulating uid of the lymphatic system 0 Leukocytes white blood cells I Lymphocytes white blood cells involved in immune response B cells T cells and NK cells Two types of responses 1 Nonspecific innate Chapter 6 Understanding Stress Immunity and Disease September 17 2015 a First line of immune defense b Fast to react but limited in action 2 Specific Adaptive Acquired a Targeted defense b Slow to start up because it takes a while to specifically identify but prolonged defense Innate Immunity 1 Phagocytosis cells in the immune system that quoteatquot foreign cells to destroy them a Macrophages destroys debris foreign cells etc b Neutrophils attacks invading cells i Pus dead neutrophils 2 Natural Killer Cells a Destroyer cells that circulate the immune system throughout the body b Important for killing off tumor cells 3 In ammation protective tissue response that helps to heal injured tissue a Triggered by macrophages which release cytokines regulators of in ammatory response b Causes redness heat swelling pain sweating c Great for a short periods of time but bad if it continues for a while because it can damage skin tissues 4 Dendritic Cells phagocytes but also serve as messengers between the Nonspecific and Specific Immune responses Innate and Adaptive Adaptive Specific Immunity 1 Cellmediated immunity a Macrophages present fragments of destroyed antigen to THelper cells THelper cells activate Tcytotoxic cells Bcells direct cells c Tcytotoxic cells develop specific receptors to recognize that antigen and then multiply d TRegulator cells end the response AKA T Suppressor cells 2 Humoral Immunity happens in the blood a Bcells secrete antibodies specific to an antigen b Antibodies circulate in the bloodstream and bind to the antigen c Disable antigen or put a quottargetquot on it for other cells to kill Primary vs Secondary response Primary Immunity is a firsttime response to invading an organism can take 12 weeks before you develop enough antibodies to destroy the virus Secondary Immunity Immune system remembers antigens it s destroyed before so it will react quicker Chapter 6 Understanding Stress Immunity and Disease September 17 2015 0 Can work in only a few days because of prior exposure chicken pox Ebola o Vaccinations are weakened forms of Viruses or bacteria that are introduced into the body to stimulate the production of antibodies I Effective vaccines for polio measles mumps rubella diphtheria tetanus pertussis


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