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</p> Signup and view all the answers

    Why does cartilage have poor healing after injury?

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

    What is the term for the lacuna surrounding a chondrocyte?

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

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

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

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

    <p>Ossification</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</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</p> Signup and view all the answers

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

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

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

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

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

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

    Which type of cartilage is found in the epiphyseal plate?

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

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

    <p>Periosteum</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</p> Signup and view all the answers

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

    <p>Concentrically</p> Signup and view all the answers

    What do Volkmann's canals connect?

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

    What is the inner layer of the periosteum formed of?

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

    What is the function of the osteogenic layer?

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

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

    <p>Endosteum</p> Signup and view all the answers

    What is located in the lacunae?

    <p>Osteocytes</p> Signup and view all the answers

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

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

    What type of bone tissue contains red marrow?

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

    What is the function of the growth plate?

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

    What is the shape of the sternum?

    <p>Flat</p> Signup and view all the answers

    What type of bone is the patella?

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

    What is the outermost layer of a bone?

    <p>Periosteum</p> Signup and view all the answers

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

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

    What type of collagen is characteristic of cartilage matrix?

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

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

    <p>Perichondrium</p> Signup and view all the answers

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

    <p>Chondroblasts</p> Signup and view all the answers

    What do chondrocytes synthesize and secrete?

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

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

    <p>Ovoid</p> Signup and view all the answers

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

    <p>Perichondrium</p> Signup and view all the answers

    What is the characteristic of the nucleus of chondrocytes?

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

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

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

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

    <p>Matrix</p> Signup and view all the answers

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