Term
What is the body's first line of defense |
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Definition
External body membranes such as skin and mucosae |
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Term
What are involved in the body's second line of defense? |
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Definition
Antimicrobial proteins, phagocytes and other cells |
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Term
What are the 5 internal defenses associated with the innate defense system |
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Definition
Phagocytes NK cells Inflammation Antimicrobial proteins Fever |
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Term
__________ is resistant to weak acids and bases, bacterial enzymes and toxins |
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Definition
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Term
Protective chemicals that inhibit or destroy microorganisms |
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Definition
Skin acidity Lipids Dermcidin in sweat HCL Protein digesting enzymes of stomach Lysozyme of saliva and lacrimal fluid Mucus |
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Term
Function of Cilia of Upper respiratory tract |
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Definition
sweep dust and bacteria laden mucus from lower respiratory passages. |
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Term
5 cardinal signs of Inflammation |
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Definition
1. Redness 2. Heat 3. Swelling 4. Pain 5. Sometimes loss of function |
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Term
What are two Antimicrobial Proteins |
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Definition
Interferons and complement proteins |
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Term
What is the abbreviation for interferons? |
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Definition
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Term
What do Interferons and complement proteins do? |
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Definition
Attack Microorganisms directly Hinder microorganisms ability to reproduce |
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Term
Where do IFNs (interferons) come from |
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Definition
viral infected cells secrete them |
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Term
Where do IFNs go after being released form a viral infected cell? What is their function |
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Definition
Neighboring cells They cause the neighboring cell to produce antiviral proteins that block viral reproduction |
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Term
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Definition
Prevents virus proteins from being assembled |
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Term
How many complement blood proteins circulate in inactive form? |
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Definition
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Term
What amplifies all aspects of the inflammatory response? |
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Definition
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Term
How does complement kill other cell types |
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Definition
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Term
Which pathway links innate to adaptive immunity? |
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Definition
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Term
How does the classical pathway link the innate to the adaptive? |
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Definition
Antibodies form the adaptive bind to invading organism. C1 from the innate binds to the antigen-antibody complexes and cause the antigen to die |
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Term
What 3 effects does an activated complement have? |
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Definition
Enhances Inflammation Promotes phagocytosis Causes cell lysis |
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Term
What does MAC stand for? What does MAC do? |
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Definition
Membrane attack complex MAC causes cell lysis by inducing a massive influx of water |
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Term
What is the purpose of opsonization? |
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Definition
it coats pathogen surfaces which enhance phagocytosis |
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Term
What are the three main things triggered by complement activation |
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Definition
Inflammation, Cytolysis, and Opsonization |
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Term
What does CPR stand for? What is CPR used to assess? |
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Definition
C-reactive Protein acute infection inflammatory condition |
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Term
Which compliment protein coats bacteria for opsonization |
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Definition
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Term
What two cells secrete pyrogens when exposed to foreign substances? |
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Definition
Leukocytes and Macrophages |
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Term
What is the function of pyrogens? |
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Definition
they tell the body temperature to rise |
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Term
What are the positive elements of a fever? |
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Definition
Cause the liver and spleen to o confiscate iron and zinc Increase metabolic rate Decrease ability of bacteria/virus to replicate |
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Term
What does asprin inhibit? |
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Definition
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Term
What is pyrogen also known as What does pyrogen do |
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Definition
interleukin 1 stimulates the hypothalmic to secrete prostaglandin E |
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