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

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

<p>Branching structure (B)</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 (B)</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 (B)</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 (C)</p> Signup and view all the answers

What are the two main components of connective tissue?

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

What is the extracellular matrix (ECM) composed of?

<p>Ground substance and protein fibers (C)</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 (D)</p> Signup and view all the answers

What determines the qualities of a connective tissue?

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

What role does fibrillin play in the body?

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

What is the function of fibroblasts in connective tissue?

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

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

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

Which type of cells are Macrophages?

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

Where are Plasma cells commonly found in the body?

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

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

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

What type of cells are involved in the immune response?

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

Which cells are responsible for blood clotting?

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

Which cell type do platelets originate from?

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

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

<p>Connecting muscle to bone (D)</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 (C)</p> Signup and view all the answers

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

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

What is Compact Bone also known as?

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

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