Connective Tissue revision notes quiz
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Questions and Answers

Which type of connective tissue primarily provides strength and resistance?

  • Collagen (correct)
  • Adipose
  • Elastic
  • Reticular

What type of fibroblast is primarily involved in cartilage formation?

  • Adipocytes
  • Chondroblasts (correct)
  • Plasma cells
  • Macrophages

Which of the following components is not a direct type of connective tissue cell?

  • Fibroblasts
  • Macrophages
  • Chondrocytes
  • Leukocytes (correct)

Reticular fibers form a meshwork that is most commonly associated with which system?

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

Which characteristic is unique to elastic connective tissue compared to other types?

<p>Allow for flexibility and stretch (C)</p> Signup and view all the answers

Adipocytes primarily serve what purpose in connective tissue?

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

Which connective tissue is characterized by randomly oriented collagens?

<p>Dense irregular connective tissue (D)</p> Signup and view all the answers

What type of cell is primarily responsible for producing antibodies in connective tissue?

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

Which type of connective tissue is most abundant in the human body?

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

Which of the following cells is not derived from mesoderm?

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

What is the primary function of brown adipose tissue?

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

Which type of connective tissue provides a supportive framework?

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

Which type of cartilage is characterized by dense parallel collagen rows?

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

What is a key characteristic of elastic connective tissue?

<p>Rich in elastic fibers (B)</p> Signup and view all the answers

Which structure is supported by fibrocartilage?

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

Which connective tissue is primarily responsible for fat storage and calorie burning?

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

What type of tissue is found in the pinna of the ear?

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

What feature distinguishes spongy bone from compact bone?

<p>Hollow spaces housing marrow (A)</p> Signup and view all the answers

Which tissue primarily resists compressive forces within joints?

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

What is one of the roles of lymphatic organs in the connective tissue framework?

<p>Supportive structure for immune response (A)</p> Signup and view all the answers

What primary function do collagen and elastic fibers in areolar tissue serve?

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

Which statement best describes the composition of reticular tissue?

<p>Contains reticular fibers and a semi-solid matrix (B)</p> Signup and view all the answers

What is the major role of white adipose tissue?

<p>Support thermally and store energy (D)</p> Signup and view all the answers

Where is areolar tissue commonly located?

<p>Under the epidermis and around blood vessels (A)</p> Signup and view all the answers

What percentage of body weight can be attributed to energy stored in the body as indicated?

<p>20-25% (B)</p> Signup and view all the answers

The primary components of loose connective tissue include which of the following?

<p>Collagen and elastic fibers (D)</p> Signup and view all the answers

The main purpose of elastic fibers within connective tissue is to:

<p>Allow for flexibility and elasticity (A)</p> Signup and view all the answers

Which type of connective tissue primarily surrounds mucous membranes?

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

In terms of composition, reticular connective tissue is primarily characterized by:

<p>Reticular fibers and a semi-solid matrix (D)</p> Signup and view all the answers

What is a defining characteristic of loosely arranged connective tissues like areolar and reticular tissues?

<p>Highly vascularized and flexible matrix (C)</p> Signup and view all the answers

What type of connective tissue is described as having a regular pattern of collagen fibers?

<p>Dense regular connective tissue (A)</p> Signup and view all the answers

What is the primary function of glycosaminoglycans within the extracellular matrix?

<p>To maintain hydration and structural integrity (D)</p> Signup and view all the answers

Which type of connective tissue is characterized by a random arrangement of elastic fibers?

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

Where in the body would you primarily find elastic connective tissue?

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

What component primarily enables the elastic property of certain connective tissues?

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

How do dense irregular connective tissues differ from dense regular connective tissues?

<p>Irregular tissues resist force in multiple directions (A)</p> Signup and view all the answers

Which of the following best describes the role of proteoglycans in the extracellular matrix?

<p>Trap water and maintain tissue hydration (C)</p> Signup and view all the answers

Which structure is most likely to be made of dense regular connective tissue?

<p>Tendons connecting muscles to bones (A)</p> Signup and view all the answers

What is a characteristic feature of the extracellular matrix in connective tissues?

<p>Comprises a ground substance with water and macromolecules (C)</p> Signup and view all the answers

What type of connective tissue provides support and structure with no particular orientation in its fibers?

<p>Dense irregular connective tissue (C)</p> Signup and view all the answers

Study Notes

Connective Tissue

  • Protects and supports the body; binds body tissues together.
  • Originates from the mesoderm.
  • Components include fibroblasts, chondroblasts, adipocytes, macrophages, and leukocytes. Plasma is also a component.

Connective Tissue Components

  • Collagen: Thickest and strongest fiber; provides strength and resistance. Found in tendons and ligaments.
  • Reticular: Randomly oriented collagenous fibrils forming a meshwork; found in lymphatic tissues.
  • Elastic: Contains elastin; returns to original state after stretching. Found in vascular walls.
  • Extracellular Matrix (Ground Substance): Supports cells and determines tissue function. Composed of water, glycosaminoglycans, proteoglycans, and glycoproteins (polysaccharides). Maintains hydration and structural integrity.

Connective Tissue Classification

  • Connective Tissue Proper:

    • Dense Connective Tissue:
      • Regular: Densely packed collagen in a parallel pattern; resists force in one direction (ligaments, tendons).
      • Irregular: Collagen and elastic fibers in a random pattern; resists force in many directions (dermis of skin).
      • Elastic: Many elastic fibers; stretch and recoil (arteries, bronchi).
    • Loose Connective Tissue:
      • Areolar: Collagen and elastic fibers; anchors, binds, and supports organs (surrounds muscles and blood vessels). Found under the epidermis and around mucous membranes.
      • Adipose: White adipose tissue (energy storage, 20-25% body weight); brown adipose tissue (generates heat).
      • Reticular: Reticular fibers in a semi-solid matrix; supportive framework in lymphatic organs, liver, and bone marrow.
  • Specialized Connective Tissue (Supporting Connective Tissue):

    • Cartilage: Provides strength and elasticity.
      • Elastic Cartilage: Many elastic fibers within the intracellular matrix (pinna of ear, epiglottis).
      • Fibrocartilage: Dense, parallel collagen rows; resists compressive forces (temporomandibular joint).
    • Bone: Compact and spongy bone; provides support and protection.

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Description

Test your knowledge on connective tissue types, components, and functions. Dive into the specifics of collagen fibers and the extracellular matrix. This quiz is perfect for students studying biology or anatomy.

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