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Components of the the first line of defense
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Upper epidermis of skin, nasal hairs, tears, urine
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Nonspecific defenses in first line of defense
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Lysozymes (in tears), Lactic acid and electrolytes of skin, skin's acidic PH, and fatty acids, Hydrochloric acid (HCI) in stomach
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What bacteria can with stand HCI in the stomach and causes ulcers?
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H-Polori
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Which bacteria can with stand bile in the gallbladder
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E-coli
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What enzyme is found in tears and salivary secretions, and functions as a chemical barrier in immune response?
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Lysozyme
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Physical barriers to pathogens
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Unbroken skin, Mucous membranes, hair, & tears
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The study of all features of the body's second and third defense.
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Immunology
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Healthy functioning immune system is responsible for:
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Surveillance of the body
Recognition of foreign material Destruction of foreign material of the body |
White blood cells must differentiate between self and non-self (foreign objects). They evaluates cells by examining___________.
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Markers
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White blood cells must distinguish self from nonself__________ help to distinguish foreign objects
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Glycoprotiens
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CD's are only found nucleated cells, which blood component does not have a nuclei?
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RBC
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Body compartmens fluid that participate in the immune function are:
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Reticuloendothelial system (RES) Spaces containing extracellular fluid (ECF), blood stream, lymphatic system.
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Which component coexist with the mononuclear phagocyte system?
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Reticluoendotheilial
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Immune functions in the Reticuloendothelial system:
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Provides a passageway (connection) between tissues and organs,
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What is the second line of defense?
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Inflammatory - second line of defense is innate and non-specific
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