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Microbiology Quiz 17: 7A (1-14 slides)
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Microbiology Quiz 17: 7A (1-14 slides) Microbiology Quiz 17: 7A (1-14 slides) Microbiology Quiz 17: 7A (1-14 slides)
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Microbiology Quiz 17: 7A (1-14 slides)innate your ____ or natural defenses are present at birth and provide nonspecific resistance to infection
adaptive _______ immunities are specific and must be acquired
first line ___ ___ of defense is any barrier that blocks invasion at the portal entry- nonspecific
second line ___ ____ of defense have protective cells and fluids; inflammation and phagocytosis;
nonspecific
third line ___ ____ of defense is acquired with exposure to foreign substance; porduces protective
antibodies and creates memory cells; specific
third T lymphocytes, B lymphoycytes and antibodies are examples of what line of defense?
first low pH, lysozyme, digestive enzymes, resistance inherent in genetic makeup of host, skin, tears,
coughing sneezing are all examples of what line of defense?
second phagocytosis, inflammation, fever and interferon are all examples of what line of defense?
immunology The study of the bodys second and third lines of defense is called ______
surveillance; recognition; destruction The functions of healthy functioning immune system is
1. ____ of the body
2. ____ of foreign material
3. ____ of entities deemed to be foreign
, leukocytes ____ have the innate capacity to recognize and differentiate any foreign material (also called
WBCs)
nonself foreign material is also known as _____
self normal cells of the body are also known as ____
pathogen-associated patterns (PAMPs) ____ _____ ____ is molecules shared by microorganisms
pathogen recognition receptors (PRRs) ____ ____ ____ are receptors on WBCs for PAMPs
reticuloendothelial system (RES) ____ ____ are simply the regions you find macrophages, dendritic cells
and neutrophils in the body. Macrophages are ready to attack and ingest microbes that passed the first
line of defense
lobed granulocytes have ___ nucleus
unlobed agranulocytes have ____, rounded nucleus
neutrophils ____ is a granulocyte that is the most abundant and has a lobed nuclei with lavender
granules; phagocytes
eosinophils ______ have orange granules and biboled nucleus; destroy eukaryotic pathogens
basophils _____ have constricted nuclei, dark blue granulles; release potent chemical mediators. -mast
cells: nonmotile elements bound to connective tissue
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