552144
Descripción
Test por gina_evans0312, actualizado hace más de 1 año
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Creado por gina_evans0312
hace casi 11 años
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Pregunta 1
Pregunta
What is an Atheroma?
Respuesta
-
Artifical thickening of arterial cell walls that excludes a thick lipid mix
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Artificial coarsening of arterial cell walls that shed bacteria into the bloodstram
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Bacterial biofilm forming over the cell wall
Pregunta 2
Pregunta
What causes the Endothelial Dysfunction that begins atheroma growth?
Respuesta
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Cigarette smoke
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Excess LDL's
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Bacterial infection
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Autoimmune disorders
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Diabetes
Pregunta 3
Pregunta
What happens to epithelial cells during Endothelial Dysfunction?
Respuesta
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They become lipoprotein soluble and lose cell repellant quality
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They become lipoprotein inoluble and gain cell repellant quality
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They become lipoprotein soluble and gain cell repellant quality
Pregunta 4
Pregunta
VCAM- A monocyte adhesion molecule that allows them to enter the vascular wall
Respuesta
- True
- False
Pregunta 5
Pregunta
Once monocytes convert to macrophages in tissue, what do they produce?
Respuesta
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ROS
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Acids
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Bases
Pregunta 6
Pregunta
During Lipid Deposition, lipids can easily enter the damaged endothelial walls
Respuesta
- True
- False
Pregunta 7
Pregunta
What happens to LDL's once they enter the tissue
Respuesta
-
They're oxidied by macrophages
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They're reduced by macrophages
Pregunta 8
Pregunta
LDLs are so easily reduced due to low tissue antioxidants
Respuesta
- True
- False
Pregunta 9
Pregunta
What happens when Macrophages take up too many LDL's?
Respuesta
-
They become dying Foam cells
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They become dying Plasma cells
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They become dying Mast cels
Pregunta 10
Pregunta
As the macrophages die, the release lipid pools
Respuesta
- True
- False
Pregunta 11
Pregunta
Name the two main components of the plaque?
Respuesta
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Foam cells
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Lipid pools
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LDLs
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Mast cells
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Plasma cells
Pregunta 12
Pregunta
Vascular cells form a fibrous cap over the developing clot
Respuesta
- True
- False
Pregunta 13
Pregunta
What, potentially can happen to the fibrous plaque coat?
Respuesta
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It calcifies and fissures at the edges
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It becomes layered with t-cells and macrophages
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Bacteria stick to it and invade tissues
Pregunta 14
Pregunta
Name the effect of arterial plaques
Respuesta
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Blood flow decreases
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Blood pressure rises
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Blood flow increases
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Plaque forces artery to widen
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