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Questions and Answers

What is the primary cell type found in all types of cartilage?

  • Osteocytes
  • Chondrocytes (correct)
  • Fibroblasts
  • Adipocytes
  • Which type of cartilage is characterized by the presence of type II collagen fibers in its ECM?

  • Fibrocartilage
  • Elastic cartilage
  • Hyaline cartilage (correct)
  • Dense connective tissue
  • What structure surrounds hyaline cartilage and acts as a protective capsule?

  • Perichondrium (correct)
  • Periosteum
  • Epiphysis
  • Endosteum
  • Where is fibrocartilage primarily found in the body?

    <p>Between bones and in the spine</p> Signup and view all the answers

    Which cartilage type possesses elastic fibers in its ECM?

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

    What is a notable characteristic of fibrocartilage compared to other cartilage types?

    <p>It contains type I collagen fibers</p> Signup and view all the answers

    What is the primary role of connective tissue in relation to epithelial tissue?

    <p>Provides structural support and metabolic support</p> Signup and view all the answers

    Which type of connective tissue is responsible for the movement of joints?

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

    What is the function of red blood cells within connective tissue?

    <p>Carry oxygen</p> Signup and view all the answers

    What characterizes elastic fibers compared to collagen fibers?

    <p>Thinner and more flexible</p> Signup and view all the answers

    Why are fibers absent in the extracellular matrix of blood?

    <p>To prevent clotting in small vessels</p> Signup and view all the answers

    What is the main composition of the ground substance in connective tissue?

    <p>Liquid with no cellular structure</p> Signup and view all the answers

    Which type of connective tissue is categorized as liquid?

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

    What is the role of the extracellular matrix in connective tissue?

    <p>Regulates cell division and movement</p> Signup and view all the answers

    Where are reticular fibers typically found?

    <p>Lymph nodes and bone marrow</p> Signup and view all the answers

    What is the primary function of neutrophils?

    <p>They destroy microorganisms.</p> Signup and view all the answers

    What percentage of leukocytes do eosinophils typically constitute?

    <p>1% - 4%</p> Signup and view all the answers

    How does an eosinophil destroy larger parasites?

    <p>By releasing granules with toxic substances.</p> Signup and view all the answers

    Which type of leukocyte is primarily involved in allergic reactions?

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

    What is the role of T lymphocytes in the immune system?

    <p>They participate in cell-mediated immunity.</p> Signup and view all the answers

    What does the term 'agranulocytosis' refer to?

    <p>A lack of granules in white blood cells.</p> Signup and view all the answers

    What staining method is used to visualize eosinophils?

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

    What is the lifespan of neutrophils after performing their function?

    <p>Around a week</p> Signup and view all the answers

    Which leukocyte has a nucleus that is segmented into three parts?

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

    What is a potential consequence of untreated anoxic shock?

    <p>Circulation will stop</p> Signup and view all the answers

    What is the primary role of fibroblasts in connective tissue?

    <p>Synthesis of collagen and ECM components</p> Signup and view all the answers

    Which type of connective tissue cell is primarily phagocytic?

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

    How do proteoglycans interact with hyaluronan?

    <p>Through link proteins to form aggregates</p> Signup and view all the answers

    What are Wharton’s jelly mesenchymal stem cells capable of differentiating into?

    <p>A limited range of tissues including neural-like cells</p> Signup and view all the answers

    Which type of connective tissue is characterized by a gelatin-like ECM and is found in the umbilical cord?

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

    What type of cell stores mediators of inflammation and differentiates in connective tissue?

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

    Which connective tissue cell type is predominantly involved in immune response but does not include macrophages?

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

    What is a significant characteristic of mesenchyme in embryonic connective tissue?

    <p>Has a three-dimensional cellular network</p> Signup and view all the answers

    Which cell type is not classified as a resident cell in connective tissue?

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

    What property of proteoglycan aggregates is essential for regulating movement in the extracellular matrix?

    <p>Their capacity to bind water and other molecules</p> Signup and view all the answers

    What is the primary component of blood plasma?

    <p>Liquid ECM</p> Signup and view all the answers

    Which type of adipose tissue is characterized by many small droplets?

    <p>Brown adipose tissue</p> Signup and view all the answers

    What is a key function of erythrocytes (RBC)?

    <p>Carrying oxygen and carbon dioxide</p> Signup and view all the answers

    Why do erythrocytes lack a nucleus?

    <p>To enhance their oxygen-carrying capacity</p> Signup and view all the answers

    What characterizes reticular connective tissue?

    <p>Forms the stroma of lymphatic organs</p> Signup and view all the answers

    What is unique about the shape of mammalian erythrocytes?

    <p>They have a biconcave disk shape</p> Signup and view all the answers

    What are granulocytes?

    <p>White blood cells with granules in their cytoplasm</p> Signup and view all the answers

    What prevents blood from clotting within small blood vessels?

    <p>Absence of fibers in the ECM</p> Signup and view all the answers

    What role do adipokines play in the body?

    <p>Secrete hormones and growth factors</p> Signup and view all the answers

    How long does an erythrocyte typically live?

    <p>120 days</p> Signup and view all the answers

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