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Layers of Blood Vessels Quiz

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Questions and Answers

Which layer of blood vessels is composed of concentric layers of smooth muscle cells?

Tunica media (correct)

Capillaries

Tunica intima

Tunica externa

What is the primary site of systemic vascular resistance?

Tunica externa

Tunica intima

Tunica media

Arterioles (correct)

Which cells within the medial layer of normal muscular arteries have both contractile and synthetic capabilities?

Endothelial cells

Elastic fiber cells

Basement membrane cells

Smooth muscle cells (correct)

Which layer of blood vessels is composed of only endothelial cells and basement membrane?

Capillaries (A) Signup and view all the answers

What is the driving force for blood flow in the systemic circulation?

The pumping action of the left ventricle (D) Signup and view all the answers

Which type of blood vessels have thicker walls compared to veins?

Arteries (A) Signup and view all the answers

What is the primary site of systemic vascular resistance?

Arterioles (C) Signup and view all the answers

What is the role of smooth muscle cells (SMCs) within the medial layer of normal muscular arteries?

They produce vasoactive and inflammatory mediators (D) Signup and view all the answers

What is the highest pressure in the circulatory system?

Aorta (D) Signup and view all the answers

Which blood vessels branch into arterioles?

Arteries (D) Signup and view all the answers

What is the composition of the tunica intima layer in blood vessels?

Endothelial cells and basement membrane (D) Signup and view all the answers

What component of blood vessels varies greatly in size and ratio?

Wall components (A) Signup and view all the answers

Which cells produce interleukin (IL)-1 and IL-6, and tumor necrosis factor (TNF)?

Smooth muscle cells (B) Signup and view all the answers

Layers of Blood Vessels Quiz

Choose a study mode

Podcast

Questions and Answers

Which layer of blood vessels is composed of concentric layers of smooth muscle cells?

What is the primary site of systemic vascular resistance?

Which cells within the medial layer of normal muscular arteries have both contractile and synthetic capabilities?

Which layer of blood vessels is composed of only endothelial cells and basement membrane?

What is the driving force for blood flow in the systemic circulation?

Which type of blood vessels have thicker walls compared to veins?

What is the primary site of systemic vascular resistance?

What is the role of smooth muscle cells (SMCs) within the medial layer of normal muscular arteries?

What is the highest pressure in the circulatory system?

Which blood vessels branch into arterioles?

What is the composition of the tunica intima layer in blood vessels?

What component of blood vessels varies greatly in size and ratio?

Which cells produce interleukin (IL)-1 and IL-6, and tumor necrosis factor (TNF)?

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