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

Which cartilage type possesses elastic fibers in its ECM?

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

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

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

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

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

What characterizes elastic fibers compared to collagen fibers?

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

Why are fibers absent in the extracellular matrix of blood?

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

Which type of connective tissue is categorized as liquid?

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

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

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

Where are reticular fibers typically found?

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

What is the primary function of neutrophils?

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

What percentage of leukocytes do eosinophils typically constitute?

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

How does an eosinophil destroy larger parasites?

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

Which type of leukocyte is primarily involved in allergic reactions?

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

What does the term 'agranulocytosis' refer to?

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

What staining method is used to visualize eosinophils?

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

What is the lifespan of neutrophils after performing their function?

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

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

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

What is a potential consequence of untreated anoxic shock?

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

What is the primary role of fibroblasts in connective tissue?

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

Which type of connective tissue cell is primarily phagocytic?

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

How do proteoglycans interact with hyaluronan?

<p>Through link proteins to form aggregates (D)</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 (C)</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 (B)</p> Signup and view all the answers

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

<p>Mast cell (B)</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 (C)</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 (A)</p> Signup and view all the answers

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

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

What is the primary component of blood plasma?

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

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

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

What is a key function of erythrocytes (RBC)?

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

Why do erythrocytes lack a nucleus?

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

What characterizes reticular connective tissue?

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

What is unique about the shape of mammalian erythrocytes?

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

What are granulocytes?

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

What prevents blood from clotting within small blood vessels?

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

What role do adipokines play in the body?

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

How long does an erythrocyte typically live?

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

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