Quiz on cholesterol and the pathophysiology (ILO7)
Cholesterol and Pathophysiology Quiz
Test your knowledge on cholesterol and its impact on health with our interactive quiz. Learn about the different types of cholesterol, their physiological fun
This quiz covers:
- Fun
ctions of LDL and HDL - Risks associated with high cholesterol
- Mechanisms of atherosclerosis
- Prevention and complications of cardiovascular diseases
What is traditionally called 'bad' cholesterol?
LDL
HDL
What is the physiological function of LDL?
Aids digestion
Act as a major transporter of cholesterol
What is the physiological function of HDL?
Helps the body absorb iron
Take excess cholesterol and return it to the liver for excretion
What below are some functions of cholesterol?
Component of cell membrane
Biosynthesis of steroids
Biosynthesis of bile acid
Aid hepatic recovery
Hypercholesterolaemia is an important risk factor for what pathologies?
Coronary heart disease
Atherosclerosis
Gout
Peripheral arterial disease
What are the adverse complications of Hypercholesterolaemia?
Stroke
Depression
Myocardial infarction
Erectile dysfunction
What happens in the vessel wall as LDL builds due to higher circulating levels?
Becomes oxidised and causes inflammation
Becomes phosphorylated
Binds to receptors
Blocks receptors
What is formed as a consequence of inflammation of vessels caused by LDL?
Plaques
Clots
Fibres
Holes
What happens to arteries over time as plaque forms?
They calcify
Stiffen and narrow
They have kinks
They get bigger
As well as plaques, what else does the inflammation promote the growth of?
Neutrophils
Nerves
Fibrous cap
C reactive protein
How does the formation of plaque and the fibrous cap over cause heart attacks?
Fibrous cap ruptures, triggers the release of clotting factors
Promotes the synthesis of platelets
Widens the vessels
Causes vessels to be leaky and inflammatory markers to be released
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