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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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aphalfi aphalfi
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6 years ago
If a virus has caused inflammation resulting in endothelial dysfunction, an excessive amount of endothelins in the blood can result in
 
  A)
  arterial wall weakening resulting in aneurysm formation.
  B)
  release of excess fatty plaque causing numerous pulmonary emboli.
  C)
  contraction of the underlying smooth muscles within the vessels.
  D)
  overproduction of growth factors resulting in new vessel production.
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#1
6 years ago
Ans:
C

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Endothelial dysfunction describes several types of potentially reversible changes in endothelial function that occur in response to environmental stimuli. Inducers of endothelial dysfunction include cytokines, bacterial, viral, and parasitic products that cause inflammation. They also influence the reactivity of underlying smooth muscle cells through production of both relaxing factors (nitric oxide) and contracting factors (e.g., endothelins).
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