NU 308 EXAM #3 Cardiac Part 1 Questions And Answers With Real Solutions
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Course
NU 308
Institution
NU 308
NU 308 EXAM #3 Cardiac Part 1 Questions And Answers With Real Solutions
Types of lipids (3) ANS triglycerides, phospholipids, cholesterols
Triglycerides are used in ANS Energy metabolism
Structural component of lipoprotein, blood clotting component, myelin sheath, cell membranes ANS Phosp...
NU 308 EXAM #3 Cardiac Part 1 Questions And
Answers With Real Solutions
Types of lipids (3) ANS triglycerides, phospholipids, cholesterols
Triglycerides are used in ANS Energy metabolism
Structural component of lipoprotein, blood clotting component, myelin sheath, cell membranes ANS
Phospholipids
Cholesterol is synthesized by ANS body cells; dietary intake of exogenous cholesterol
Lipoprotein is a specialized fat-carrying proteins for plasma that encapsulate ANS Cholesterol
and triglycerides (good=HDL, bad=LDL, VLDL, Chylomicrons)
Hypercholesterolemia (hyperlipidemia) is caused by ANS • increase in any lipoprotein
• nutrition, genetics, metabolic disease
Primary vs secondary hyperlipidemia ANS Primary: develops independently (extremely high
LDL, or MI before 40)
Secondary: associated with problems like obesity, DM, hypothyroidism
Atherosclerosis ANS Soft deposits of intra-arterial fibrofatty lesion* on vessels walls that harden
over time (slow onset, 20-40yrs)
(Abnormal accumulation of lipid deposits and fibrous tissue within arterial walls and lumen)
What is the leading contributor to CAD & CVD? ANS Atherosclerosis
Atherosclerosis Risk Factors ANS Modifiable:
- hyperlipidemia
, - smoking
- obesity
- type 2 DM
- HTN
Nonmodifiable:
- age, male, fam hx
- postmenopausal women
- genetic disorders of lipid metabolism
What plays a fundamental role in mediating all of the steps in the imitation and progression of
atherosclerosis? ANS Inflammation
Atherosclerotic lesions generally cause no symptoms until ANS >= 60% occlusion
Major organs involved in atherosclerosis ANS Heart (MI)
Brain (stroke, TIA, CVA)
Kidney (ischemia, nephritis)
Lower Extremities (PAD)
Small intestine (ischemia)
Coronary atherosclerosis blockages and narrowing of the ANS Coronary vessels reduce blood
flow to the myocardium
What is the leading cause of death in the US for men and women of all racial and ethnic groups?
ANS cardiovascular disease
What is the most prevalent cardiovascular disease in adults? ANS Coronary Artery Disease
(CAD)
Atherosclerosis affects one or all three of ANS the major coronary arteries
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