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Questions and Answers
Which type of lipid is primarily responsible for energy storage in the body?
Which type of lipid is primarily responsible for energy storage in the body?
- Cholesterol
- Triglycerides (correct)
- Fatty Acids
- Phospholipids
What is the main function of High-Density Lipoprotein (HDL)?
What is the main function of High-Density Lipoprotein (HDL)?
- Aid in the digestion of dietary fats
- Transport cholesterol away from tissues (correct)
- Transport cholesterol to tissues
- Store triglycerides
Which apolipoprotein is associated with Chylomicrons and is crucial for lipid transport?
Which apolipoprotein is associated with Chylomicrons and is crucial for lipid transport?
- Apo B-48 (correct)
- Apo E
- Apo A-I
- Apo CII
What process describes the removal of cholesterol from the body through the liver?
What process describes the removal of cholesterol from the body through the liver?
Which condition is characterized by elevated lipid levels in the bloodstream?
Which condition is characterized by elevated lipid levels in the bloodstream?
Flashcards
Triglyceride function
Triglyceride function
Triglycerides store energy in adipose tissue.
Cholesterol function
Cholesterol function
Cholesterol is a crucial component of cell membranes and synthesizes hormones.
Chylomicron role
Chylomicron role
Chylomicrons transport dietary lipids from the intestines to the body tissues.
LDL's role
LDL's role
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HDL function
HDL function
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Study Notes
Lipids and Lipoproteins
- Lipids are essential for the body
- Fatty acids, triglycerides, phospholipids, and cholesterol are major lipid classes
- Each lipid class has specific functions and sources
Lipid Metabolism Pathways
- Lipid absorption occurs in the digestive tract
- Exogenous pathway involves the transport of dietary lipids
- Endogenous pathway involves the synthesis and transport of lipids within the body
- Reverse cholesterol transport removes cholesterol from tissues
Lipoproteins
- Lipoproteins transport lipids in the blood
- Chylomicrons, VLDL, LDL, and HDL are key lipoproteins varying in size, density, lipid content, and associated proteins
- Apolipoproteins (Apo) are proteins associated with lipoproteins
- Apo A-I, Apo B, Apo B-100, Apo B-48, Apo CII, Apo D, and Apo E have specific roles
Lipid Metabolism Factors
- Various factors influence cholesterol levels
- Methodology, specimen type, and potential interfering substances are crucial for accurate lipid measurements
Metabolic Syndrome
- Understanding the criteria and clinical significance of metabolic syndrome is important
- This includes identifying the risk factors
Atherosclerotic Plaque Formation
- The process of atherosclerotic plaque formation should be understood
- This involves various factors and stages
Dyslipidemia
- Definitions of related diseases like: - Xanthoma - Micelle - Plaque - Dyslipidemia - Hyperlipoproteinemia - Hypercholesterolemia - Hypertriglyceridemia - Hypolipoproteinemia - Arteriosclerosis - Combined Hyperlipoproteinemia
Friedewald Formula
- Used to calculate LDL-cholesterol
- Has limitations that should be understood
Non-HDL Cholesterol
- Significance should be understood
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