8-L1

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Questions and Answers

What is the commonest type of cartilage found in the nose, larynx, trachea, and bronchi?

  • Hyaline Cartilage (correct)
  • Fibrocartilage
  • Elastic Cartilage
  • Cartilaginous Connective Tissue

What is the main function of perichondrium?

  • Providing a framework for cartilage growth
  • Harboring the vascular supply and nerves for the avascular cartilage (correct)
  • Providing a vascular supply to cartilage
  • Producing a matrix for chondroblasts

What is the type of collagen fiber found in Hyaline Cartilage?

  • Type II collagen (correct)
  • Type III collagen
  • Type I collagen
  • Type IV collagen

What is the role of chondroblasts in cartilage?

<p>Giving rise to chondrocytes (A)</p> Signup and view all the answers

Why does cartilage have poor healing after injury?

<p>Due to its poor vascularity (B)</p> Signup and view all the answers

What is the term for the lacuna surrounding a chondrocyte?

<p>Matrix capsule (D)</p> Signup and view all the answers

In what stage of life does hyaline cartilage form a temporary skeleton?

<p>Embryonic stage (A)</p> Signup and view all the answers

What is the term for the process of cartilage turning into bone?

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

Which type of cartilage has a matrix that contains more elastic fibers and type II collagen fibers?

<p>Elastic cartilage (A)</p> Signup and view all the answers

What is unique about the location of fibro-cartilage?

<p>It gets its nourishment from nearby tendons and ligaments (D)</p> Signup and view all the answers

Which of the following is NOT a location of hyaline cartilage?

<p>Inter-vertebral disks (C)</p> Signup and view all the answers

What is the main difference between fibro-cartilage and other types of cartilage?

<p>It does not possess perichondrium (D)</p> Signup and view all the answers

Which type of cartilage is found in the external auditory meatus?

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

What is the main component of the matrix in fibro-cartilage?

<p>Type I collagen fibers (B)</p> Signup and view all the answers

Which type of cartilage is found in the epiphyseal plate?

<p>Hyaline cartilage (devoid of perichondrium) (D)</p> Signup and view all the answers

What covers the outer surface of all bones, except at the joints of long bones?

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

What is the function of Sharpey's fibers?

<p>To penetrate bone matrix and anchor the periosteum to the bone (C)</p> Signup and view all the answers

What is the arrangement of bone lamellae around the Haversian canal?

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

What do Volkmann's canals connect?

<p>Haversian canals to each other (C)</p> Signup and view all the answers

What is the inner layer of the periosteum formed of?

<p>Bone cell precursors (C)</p> Signup and view all the answers

What is the function of the osteogenic layer?

<p>To form bone cell precursors (C)</p> Signup and view all the answers

What is the tissue that covers the inner surfaces of bones?

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

What is located in the lacunae?

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

What type of cartilage covers the surfaces of bones that form movable joints?

<p>Hyaline cartilage (D)</p> Signup and view all the answers

What type of bone tissue contains red marrow?

<p>Spongy bone (A)</p> Signup and view all the answers

What is the name of the narrow portion of a long bone between the epiphysis and the diaphysis?

<p>Metaphysis (C)</p> Signup and view all the answers

What is the function of the growth plate?

<p>To grow during childhood (D)</p> Signup and view all the answers

What is the shape of the sternum?

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

What type of bone is the patella?

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

What is the outermost layer of a bone?

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

What is the central cavity of a long bone filled with?

<p>Yellow marrow (D)</p> Signup and view all the answers

What type of collagen is characteristic of cartilage matrix?

<p>Type II collagen (D)</p> Signup and view all the answers

What is the layer of dense irregular connective tissue that envelops most cartilage?

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

What type of cells arise from mesenchymal cells within the center of chondrification?

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

What do chondrocytes synthesize and secrete?

<p>Fibers and ground substance (B)</p> Signup and view all the answers

What is the shape of chondrocytes near the periphery of cartilage?

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

What is the location of the vascular supply and fibroblast-like stem cells?

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

What is the characteristic of the nucleus of chondrocytes?

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

What is the component of cartilage that predominates and determines its mechanical properties?

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

What is the component of cartilage that includes proteoglycans and glycosaminoglycans?

<p>Matrix (C)</p> Signup and view all the answers

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