552144
Description
Quiz by gina_evans0312, updated more than 1 year ago
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Created by gina_evans0312
about 10 years ago
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Question 1
Question
What is an Atheroma?
Answer
-
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
Question 2
Question
What causes the Endothelial Dysfunction that begins atheroma growth?
Answer
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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
Question 3
Question
What happens to epithelial cells during Endothelial Dysfunction?
Answer
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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
Question 4
Question
VCAM- A monocyte adhesion molecule that allows them to enter the vascular wall
Answer
- True
- False
Question 5
Question
Once monocytes convert to macrophages in tissue, what do they produce?
Answer
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ROS
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Acids
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Bases
Question 6
Question
During Lipid Deposition, lipids can easily enter the damaged endothelial walls
Answer
- True
- False
Question 7
Question
What happens to LDL's once they enter the tissue
Answer
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They're oxidied by macrophages
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They're reduced by macrophages
Question 8
Question
LDLs are so easily reduced due to low tissue antioxidants
Answer
- True
- False
Question 9
Question
What happens when Macrophages take up too many LDL's?
Answer
-
They become dying Foam cells
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They become dying Plasma cells
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They become dying Mast cels
Question 10
Question
As the macrophages die, the release lipid pools
Answer
- True
- False
Question 11
Question
Name the two main components of the plaque?
Answer
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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
Question 12
Question
Vascular cells form a fibrous cap over the developing clot
Answer
- True
- False
Question 13
Question
What, potentially can happen to the fibrous plaque coat?
Answer
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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
Question 14
Question
Name the effect of arterial plaques
Answer
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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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