Atherogenesis

Beschreibung

Year 2 (Lipid Deficiencies) Quiz am Atherogenesis, erstellt von gina_evans0312 am 15/02/2014.
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Quiz von gina_evans0312, aktualisiert more than 1 year ago
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Erstellt von gina_evans0312 vor fast 11 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
What is an Atheroma?
Antworten
  • Artifical thickening of arterial cell walls that excludes a thick lipid mix
  • Artificial coarsening of arterial cell walls that shed bacteria into the bloodstram
  • Bacterial biofilm forming over the cell wall

Frage 2

Frage
What causes the Endothelial Dysfunction that begins atheroma growth?
Antworten
  • Cigarette smoke
  • Excess LDL's
  • Bacterial infection
  • Autoimmune disorders
  • Diabetes

Frage 3

Frage
What happens to epithelial cells during Endothelial Dysfunction?
Antworten
  • They become lipoprotein soluble and lose cell repellant quality
  • They become lipoprotein inoluble and gain cell repellant quality
  • They become lipoprotein soluble and gain cell repellant quality

Frage 4

Frage
VCAM- A monocyte adhesion molecule that allows them to enter the vascular wall
Antworten
  • True
  • False

Frage 5

Frage
Once monocytes convert to macrophages in tissue, what do they produce?
Antworten
  • ROS
  • Acids
  • Bases

Frage 6

Frage
During Lipid Deposition, lipids can easily enter the damaged endothelial walls
Antworten
  • True
  • False

Frage 7

Frage
What happens to LDL's once they enter the tissue
Antworten
  • They're oxidied by macrophages
  • They're reduced by macrophages

Frage 8

Frage
LDLs are so easily reduced due to low tissue antioxidants
Antworten
  • True
  • False

Frage 9

Frage
What happens when Macrophages take up too many LDL's?
Antworten
  • They become dying Foam cells
  • They become dying Plasma cells
  • They become dying Mast cels

Frage 10

Frage
As the macrophages die, the release lipid pools
Antworten
  • True
  • False

Frage 11

Frage
Name the two main components of the plaque?
Antworten
  • Foam cells
  • Lipid pools
  • LDLs
  • Mast cells
  • Plasma cells

Frage 12

Frage
Vascular cells form a fibrous cap over the developing clot
Antworten
  • True
  • False

Frage 13

Frage
What, potentially can happen to the fibrous plaque coat?
Antworten
  • It calcifies and fissures at the edges
  • It becomes layered with t-cells and macrophages
  • Bacteria stick to it and invade tissues

Frage 14

Frage
Name the effect of arterial plaques
Antworten
  • Blood flow decreases
  • Blood pressure rises
  • Blood flow increases
  • Plaque forces artery to widen
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