BioSci 107 Lecture 3: Connective Tissues
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Questions and Answers

What is the function of reticular fibres in the extracellular matrix?

  • Allow tissue stretch without breaking
  • Resist pulling forces
  • Facilitate cell-cell communication
  • Provide strength and support (correct)
  • Which connective tissue fibre is composed of elastin surrounded by fibrillin?

  • Reticular fibres
  • Elastic fibres (correct)
  • Collagen fibres
  • Keratin fibres
  • In which tissue are collagen fibres more abundant compared to other types of fibres?

  • Muscle tissue
  • Nerve tissue
  • Adipose tissue
  • Bone tissue (correct)
  • Which genetic disorder is associated with a defect in elastic fibres?

    <p>Marfan Syndrome</p> Signup and view all the answers

    What is the primary characteristic that differentiates elastic fibres from collagen fibres?

    <p>Branching structure</p> Signup and view all the answers

    Which type of connective tissue fibre forms parallel bundles and is common in tendons and ligaments?

    <p>Collagen fibres</p> Signup and view all the answers

    What is the main function of connective tissue?

    <p>To provide protection and support to other body tissues</p> Signup and view all the answers

    Which of the following is NOT a feature of connective tissue?

    <p>It is found on body surfaces</p> Signup and view all the answers

    What are the two main components of connective tissue?

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

    What is the extracellular matrix (ECM) composed of?

    <p>Ground substance and protein fibers</p> Signup and view all the answers

    Which of the following statements about protein fibers in the ECM is correct?

    <p>They are secreted by the cells in the ECM/CT</p> Signup and view all the answers

    What determines the qualities of a connective tissue?

    <p>The structure of the extracellular matrix</p> Signup and view all the answers

    What role does fibrillin play in the body?

    <p>Provides a structural scaffold for elastin</p> Signup and view all the answers

    Which of the following is a common characteristic of individuals with Marfan Syndrome?

    <p>Protruding or collapsed sternum</p> Signup and view all the answers

    What is the function of fibroblasts in connective tissue?

    <p>Secrete components of the matrix</p> Signup and view all the answers

    Where are adipocytes (fat cells) primarily located in the body?

    <p>Under the skin and around organs</p> Signup and view all the answers

    Which type of cells are Macrophages?

    <p>Phagocytic cells found in connective tissues</p> Signup and view all the answers

    Where are Plasma cells commonly found in the body?

    <p>In red bone marrow</p> Signup and view all the answers

    What are the two types of cells that release substances like histamine to intensify inflammatory reactions?

    <p>Basophils and Mast cells</p> Signup and view all the answers

    Which type of cells are effective against parasitic worms and in acute allergic responses?

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

    What type of cells are involved in the immune response?

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

    Which cells are responsible for blood clotting?

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

    Which cell type do platelets originate from?

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

    What type of connective tissue is characterized by more fibers and fewer cells?

    <p>Dense Regular Connective Tissue</p> Signup and view all the answers

    Where can Dense Regular Connective Tissue be found in the body?

    <p>Connecting muscle to bone</p> Signup and view all the answers

    What is the main function of Hyaline Cartilage?

    <p>To provide resilient support with collagen and elastic fibers</p> Signup and view all the answers

    Which type of cartilage is found in the nose, trachea, bronchi, and nasal septum?

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

    What is Compact Bone also known as?

    <p>Cortical Bone</p> Signup and view all the answers

    What structures are present in Compact Bone that are either Osteons or Haversian systems?

    <p>Rod-shaped units</p> Signup and view all the answers

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