CV CPC 1 Atherosclerosis and Fluid Disorders

Question 1

In AAA, ___ ____ produced by macrophages degrade extracellular material in the vessel wall. Atherosclerotic plaques also obstruct nutrient flow and waste diffusion from arterial wall.

Answer 1

matrix metalloproteinases

Question 2

Clinical consequences of AAA besides rupture include: (4)

Answer 2

obstruction of branch
embolus or mural thrombosis
impingement of adjacent structures (ie. ureter)
presentation of abdominal mass (often pulses)

Question 3

What is a fatty streak?

Answer 3

due to the presence of macrophages with lipid in them, directly subjacent to the endothelium

Question 4

Would you expect to hear changes in breath sounds due to a PE?

Answer 4

no, lung findings are very uncommon in people with pulmonary emboli (doesn’t effect the air moving)