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Objective 2 Study Guide

by: Gabrielle Tarlano

Objective 2 Study Guide Bio 1070

Marketplace > Wright State University > Biology > Bio 1070 > Objective 2 Study Guide
Gabrielle Tarlano
GPA 2.7

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About this Document

lymphatic and immune system disorders gone over in this section
Health and Disease
Amy Wissman
Study Guide
health and disease, bio 1070
50 ?




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This 3 page Study Guide was uploaded by Gabrielle Tarlano on Tuesday January 26, 2016. The Study Guide belongs to Bio 1070 at Wright State University taught by Amy Wissman in Winter 2016. Since its upload, it has received 31 views. For similar materials see Health and Disease in Biology at Wright State University.


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Date Created: 01/26/16
OBJECTIVES CHAPTER 2 • Knowing the terms is vital to understanding the material • Understand what lymphatic system is and its function – Lymphatic system is a network of vessels, nodes and immune tissue, work together with the immune system, part of the circulatory system – Its function is to absorb and transport fatty acids and fats from the digestive system, help transport white blood cells from the lymph nodes into the bones and is responsible for the removal of interstitial fluid from tissues • Know the organs of lymphatic system – Lymph nodes: filter lymph, WBC – Tonsils: lymphatic tissue, back of throat, has contact with inhaled/ingested pathogens – Thymes: houses maturing lymphocytes (immune cells) – Spleen & Mucosa Ass. Lymph Tissue (MALT): where immune cells reside • Understand immune system – main divisions and how they work; immune cells and functions – The immune system defends the body against pathogens, foreign particles and abnormal cells – 2 main divisions of immunity: 1. innate (nonspecific) 2. Acquired (specific) 1. Innate: no prior exposure required, same reaction • Intact skin/mucous membrane • Phagocytosis (WBC engulf) • Natural killer cells • Interferon (cells resist virus, activates NK cells) • Fever • Inflammation 2. Humoral: acquired and specific • by lymphocytes “B cells” • exposed to AG • activated to plasma cells ( secrete antibodies to fight) and memory cells • Understand process of inflammation – The process of inflammation is to clear of necrotic cells and tissues damaged and to eliminate the initial cause of cell injury. – Histamine = Swelling • Know diseases we cover- – Hypersensitivities (allergy, anaphylaxis) • Requires allergy shots: small amount of antigens that increase production of IgG – Autoimmunity (Lupus, Scleroderma) • Life threating, SYSTEMIC • Activation of cells with IgE • Epi Pen – Immunodeficiency (AIDS, HIV) (ACQUIRED) • Aids: cause HIV • Primary target helper T cells (T4) • Viral replication w/ lymphocytes • Signs: unexplained weight loss, general fever like symptoms • “latent” period – 10 years • Lesions, weight loss, frequent infections • Full blown aids when T count < 200 – Immune system Cancer (lymphomas) • Hodgkin’s, lymphoma and non- Hodgkin’s lymphoma • Idiopathic • Large swollen lymph nodes, Abnormal lymph nodes • MAIN DIFFERENCE: REED STERNBERG CELL • Treatment: Chemo


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