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Phacosytosis & Imm

Phagocytosis and Immunity

QuestionAnswer
What 5 classes of organisms make up the world of pathogens? Proteins, virus, bacteria, parasites, fungi
What is a foreign body that enters the human body and causes disease? pathogen
What are the 3 things that compose the “first line of defense” for the body? Skin (oils) , Mucous membranes (mild toxins) Stomach acids
What is the function of the first line of defense? to keep things out of the body
What 2 things compose the “second line of defense” for the body? 1) Inflammatory response (brings weapons to the fight) 2) Phagocytes
What is the function of the second line of defense? to deal the pathogens what get inside the body- past the first line of defense
What do you call immunity that protects against pathogens in general- not just specific pathogens? non-specific immunity
What is another name for the non-specific immunity? Innate Immunity
What structures exist on the membrane of a phagocyte? sensors
What do you call a consumed pathogen in a vesicle? phagosome
What is a pathogen digesting organelle called? lysosome
What is the difference in an amino acid and a peptide chain? size- peptide chains are short, amino acids are long
What structure stores some of the protein from the pathogen and presents it on the surface of the phagocyte? Major histocompatibility complex T2
What is a phagocyte that has a MHC embedded in its membrane? Antigen presenting cell
What is a type of phagocyte that is common, fast and numerous in the body? Neutrophils
What type of phagocyte is the most versatile when killing pathogens? Macrophages
What type of phagocyte is important for activating the specific immune system? Dendritic cells
Created by: russcrick
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