Advanced
Pathophysiology Exam 3
Questions and Complete
Solutions Graded A+
Denning [Date] [Course title]
,CAD Risk Factors: Non-modifiable - Answer: age
genetic disposition
family history
ethnic background
gender
CAD risk factors - Answer: Age >55
male
fam hx
personal hx peripheral vasc/Cerebrovascular disease
smoking
lipid abnorm
DM
HTN
obesity
sedentary
cocaine
estrogen use
dyslipidemia - high LDL, low HDL, high triglycerides
what happens when LDL becomes oxidized - Answer: becomes oxidized when exposed to endothelial
cells and smooth muscle cell
then exposed to macrophages
becomes foam cell
makes up atherosclerotic plaque
what does HDL do - Answer: reverse cholesterol transport
returns excess cholesterol from the tissue to the liver where it binds to hepatic receptors and is
processed or eliminated as bile or converted to cholesterol-containing steroids
,protects LDL from oxidation
explain the relationship of lipoprotiens and diabetes as a risk factor for CAD - Answer: lipoproteins can
be altered by glycation as a result of high glucose levels which causes a greater integration into
macrophages (engulf oxidized LDL) this then accumulates in the arterial wall causing platelet
aggregation and smooth muscle proliferation
android obesity - Answer: excess body fat that is placed predominantly within the abdomen and upper
body, as opposed to the hips and thighs
strongest link with CAD risk r/t insulin resistance, decreased HDL levels, increased blood pressure, and
inflammation
9 P21 - Answer: genetic variant associated with a strong risk for CAD
what is the risk of having an MI in relation to the age that it occurred in a parent - Answer: inverse
relationship
if you have a parent who had an MI at 40 you have a higher risk than someone who's parent had one at
70
Women typically present with CAD symptoms 10 years earlier than men
t/f - Answer: false
lipoprotein (a) and CAD - Answer: nontraditional risk factor
associated with atherosclerosis and thrombosis
genetically derived particle
at risk for premature CAD as well as stroke
elevated high sensitivity c reactive protein and CAD (hs-CRP) - Answer: acute phase reactant or protein
made in liver
indirect measure of atherosclerotic plaque-related inflammation/progression
inflammatory marker
, the more inflammation the more likely to have plaque ruptures
t/f lipoproteins increase risk for a cardiac event, thrombus, and stroke - Answer: true
t/f high numbers of large and puffy LDL particles are associated with increased risk for CAD - Answer:
false
high numbers of small dense LDL
total cholesterol levels - Answer: desirable - <200
Borderline - 200-239
high - >240
LDL levels - Answer: Optimal: <100
Near optimal: 100-129
Borderline high: 130-159
High: 160-189
Very high: >190
Triglycerides levels - Answer: desirable - <150
borderline - 150 - 199
high - 200-499
very high - >500
HDL levels - Answer: low - <40
high - >60
response to injury hypothesis - Answer: Atherosclerosis hypothesis where plaque build up begins with
the endothelial damage
changes in permeability
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