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Questions and Answers
What is the principal mechanism of vascular disease characterized by narrowing or complete obstruction of vessel lumina?
What is the principal mechanism of vascular disease characterized by narrowing or complete obstruction of vessel lumina?
- Thrombosis
- Embolism
- Hypertension
- Atherosclerosis (correct)
In blood vessels, which layer primarily consists of smooth muscle cells and extracellular matrix (ECM)?
In blood vessels, which layer primarily consists of smooth muscle cells and extracellular matrix (ECM)?
- Elastic Laminae
- Intima
- Media (correct)
- Adventitia
Which type of blood vessel is mainly affected by atherosclerosis?
Which type of blood vessel is mainly affected by atherosclerosis?
- Small arteries
- Small arterioles
- Veins
- Large muscular arteries (correct)
What is the function of large elastic arteries such as the aorta and pulmonary arteries?
What is the function of large elastic arteries such as the aorta and pulmonary arteries?
What is the predominant structure of medium-sized muscular arteries like the coronary and renal arteries?
What is the predominant structure of medium-sized muscular arteries like the coronary and renal arteries?
Which blood vessels play a key role in regulating blood flow resistance and have a significant impact on blood pressure due to diameter changes?
Which blood vessels play a key role in regulating blood flow resistance and have a significant impact on blood pressure due to diameter changes?
What is the primary function of capillaries in the circulatory system?
What is the primary function of capillaries in the circulatory system?
What are veins adapted for due to their larger diameters, lumina, and thinner walls compared to arteries?
What are veins adapted for due to their larger diameters, lumina, and thinner walls compared to arteries?
What separates the intima from the media in blood vessel walls?
What separates the intima from the media in blood vessel walls?
What type of vessels receive nutrients from vasa vasorum in the adventitia?
What type of vessels receive nutrients from vasa vasorum in the adventitia?
What is the most common mechanism leading to weakening of vessel walls in vascular diseases?
What is the most common mechanism leading to weakening of vessel walls in vascular diseases?
What causes selective involvement of vessels of specific calibers in vasculitis?
What causes selective involvement of vessels of specific calibers in vasculitis?
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