Connective Tissue Function and Structure
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Questions and Answers

What is the main function of connective tissue?

  • Serving as a link between the epithelial and muscular tissue
  • Supporting the nervous tissue only
  • Generating energy for the body
  • Providing structural support, metabolic functions, and participating in defense and repair of the body (correct)

    • Which of the following tissues does connective tissue not link with?

  • Epithelial tissue
  • Cardiac tissue (correct)
  • Muscular tissue
  • Nervous tissue

    • What are the main components of the extracellular matrix (ECM)?

  • Red blood cells and white blood cells
  • Glycogen and glucose
  • Cellulose and lignin
  • Ground substance and fibers (correct)

    • Which component constitutes the amorphous gelatinous material in the ground substance of the extracellular matrix?

    <p>Glycosaminoglycans (GAG)</p> Signup and view all the answers

    What is the only unsulfated glycosaminoglycan (GAG) found in the matrix of connective tissue?

    <p>Hyaluronic acid</p> Signup and view all the answers

    What type of ion do the negatively charged sugars of glycosaminoglycans (GAG) attract?

    <p>$Na^+$ ions</p> Signup and view all the answers

    What type of cells are elongated with ovoid nucleus and are called fibrocytes when inactive?

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

    Which type of fibroblasts are specialized in segregating reticular fibers to support very cellular organs?

    <p>Reticular cells</p> Signup and view all the answers

    What are the largest fixed cells of the connective tissue, with an ovoid shape and a central spherical nucleus?

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

    Which migratory cells of the connective tissue are formed in the bone marrow and circulate in the blood, often moving to the tissues during inflammation?

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

    Which type of connective tissue has abundant ground substance and tissue fluid, with few fibers arranged loosely and disorderly?

    <p>Loose connective tissue</p> Signup and view all the answers

    Where does elastic connective tissue appear in the body?

    <p>Blood vessels</p> Signup and view all the answers

    What is the function of eosinophils in the immune response?

    <p>Release cytotoxins to fight parasites</p> Signup and view all the answers

    Which type of cells are pluripotent cells that can differentiate into fibroblasts, endothelial cells, and smooth muscle cells under certain stimuli?

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

    What is the function of basophils in the immune response?

    <p>Regulate inflammatory processes</p> Signup and view all the answers

    What is a characteristic feature of lymphocytes?

    <p>Rounded nucleus occupying most of the cytoplasm</p> Signup and view all the answers

    Where does reticular connective tissue appear in the body?

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

    What is a characteristic feature of plasma cells?

    <p>Derived from B lymphocytes</p> Signup and view all the answers

    Which component of the extracellular matrix provides tensile strength and elasticity to the tissue?

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

    What type of ion do the negatively charged sugars of glycosaminoglycans (GAG) attract?

    <p>Sodium ions</p> Signup and view all the answers

    Which type of fibroblasts are specialized in segregating reticular fibers to support very cellular organs?

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

    What is the main function of connective tissue?

    <p>Providing structure and support</p> Signup and view all the answers

    Which migratory cells of the connective tissue are formed in the bone marrow and circulate in the blood, often moving to the tissues during inflammation?

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

    Where does elastic connective tissue appear in the body?

    <p>Lungs and skin</p> Signup and view all the answers

    What is a characteristic feature of plasma cells?

    <p>Production of antibodies</p> Signup and view all the answers

    What are the largest fixed cells of the connective tissue, with an ovoid shape and a central spherical nucleus?

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

    What is the only unsulfated glycosaminoglycan (GAG) found in the matrix of connective tissue?

    <p>Hyaluronic acid</p> Signup and view all the answers

    What type of cells are pluripotent cells that can differentiate into fibroblasts, endothelial cells, and smooth muscle cells under certain stimuli?

    <p>Mesenchymal stem cells</p> Signup and view all the answers

    What is a characteristic feature of lymphocytes?

    <p>Formation of antibodies</p> Signup and view all the answers

    Which type of cell is derived from mesenchymal cells and synthesizes most of the connective extracellular matrix?

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

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