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Anatomy: Artery, Arteriole, and Capillary Structure and Function

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Anatomy: Artery, Arteriole, and Capillary Structure and Function

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Questions and Answers

Which type of artery is known for its elasticity?

Medium sized artery

Continuous capillary

Sinusoidal capillary

Large artery (correct)

What separates the chambers on the right side of the heart from those on the left side?

Bicuspid valve

Interventricular septum

Tricuspid valve

Interatrial septum (correct)

Which valve guards the communication between the right atrium and the right ventricle?

Tricuspid valve (correct)

Bicuspid valve

Pulmonary valve

Mitral valve

Which blood vessel is collectively referred to as semilunar valves?

Aorta Signup and view all the answers

What is the main cause of aneurysm in small arteries and arterioles?

Atrophy of the tunica media Signup and view all the answers

Which type of capillary has circular openings in their endothelial cells closed by diaphragms?

Fenestrated capillaries Signup and view all the answers

What is the function of capillaries in our body?

Exchange of nutrients and wastes between blood and tissue cells Signup and view all the answers

Which type of tissues are likely to have an abundant capillary network?

Tissues with high metabolic rate Signup and view all the answers

Where can discontinuous capillaries with irregular-shaped cells and discontinuous basal membranes be found?

Spleen, bone marrow, and liver Signup and view all the answers

What is the function of valves in veins?

To prevent reflux of blood Signup and view all the answers

Which layer of large veins has a well-developed structure with many longitudinal smooth muscle bundles embedded in connective tissue?

Tunica adventitia Signup and view all the answers

What is the histological feature found in large veins like the SVC and IVC?

Well-developed tunica media with a circular smooth muscle layer Signup and view all the answers