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?

<p>Aorta (B)</p> Signup and view all the answers

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

<p>Atrophy of the tunica media (D)</p> Signup and view all the answers

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

<p>Fenestrated capillaries (D)</p> Signup and view all the answers

What is the function of capillaries in our body?

<p>Exchange of nutrients and wastes between blood and tissue cells (C)</p> Signup and view all the answers

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

<p>Tissues with high metabolic rate (B)</p> Signup and view all the answers

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

<p>Spleen, bone marrow, and liver (C)</p> Signup and view all the answers

What is the function of valves in veins?

<p>To prevent reflux of blood (A)</p> 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?

<p>Tunica adventitia (A)</p> Signup and view all the answers

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

<p>Well-developed tunica media with a circular smooth muscle layer (A)</p> Signup and view all the answers

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