Chapter 4: Connective Tissue
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Questions and Answers

What is the main characteristic that sets connective tissue apart from other basic tissues?

  • Relative abundance of cells
  • Abundance of extracellular material (correct)
  • Highly cellular composition
  • Paucity of extracellular material

From which germ layer are most connective tissues in the body derived?

  • Mesoderm (correct)
  • Ectoderm
  • Exoderm
  • Endoderm

Which systems can develop from mesoderm?

  • Skin and reproductive system
  • Cardiovascular system and skeleton (correct)
  • Nervous system and sense organs
  • Endocrine system and blood

Which types of tissues fall under the category of 'special types of connective tissue'?

<p>Cartilage, bone, blood (C)</p> Signup and view all the answers

Where is connective tissue proper found in the body?

<p>All over the body (D)</p> Signup and view all the answers

What does connective tissue allow between body parts?

<p>Some degree of movement (D)</p> Signup and view all the answers

What staining technique turns the cytoplasm of mast cells dark purple?

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

Which type of collagen do reticular cells specialize in synthesizing?

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

What distinguishes fibrocytes from active fibroblasts under proper conditions?

<p>Smaller size and fewer processes (C)</p> Signup and view all the answers

Which connective tissue type predominantly consists of reticular fibers?

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

What is the main role of mast cells in the body?

<p>Inducing immediate-type hypersensitivity reactions (C)</p> Signup and view all the answers

What is a distinguishing feature of the nucleus of reticular cells in H&E preparations?

<p>Large and lightly-staining nucleus (C)</p> Signup and view all the answers

What is the average diameter of elastic fibers?

<p>1.0 micrometers (D)</p> Signup and view all the answers

What is the main function of proteoglycans in connective tissue?

<p>Provide structural support (C)</p> Signup and view all the answers

Which glycosaminoglycan (GAG) is the most abundant in the ground substance of connective tissue?

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

How do elastic fibers appear when stained with orcein?

<p>Blue to black (C)</p> Signup and view all the answers

What type of cells are mesenchymal cells?

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

What is the characteristic appearance of collagen fibers in H&E preparations?

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

What is the most abundant protein in the body?

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

What characteristic describes fibroblasts in connective tissues?

<p>Abundant and synthesize organic components of the ground substance (C)</p> Signup and view all the answers

How do reticular fibers stain when impregnated with silver salts?

<p>Blue to black (C)</p> Signup and view all the answers

Which type of cells are transient in connective tissue?

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

What distinguishes mesenchymal cells in terms of differentiation?

<p>Can differentiate into several types of cells (C)</p> Signup and view all the answers

Which connective tissue represents the largest energy storage site in the body?

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

In which part of the body does reticular tissue serve as a shock absorber?

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

Where is loose collagenous connective tissue typically found?

<p>In the hypodermis (subcutaneous tissue) (C)</p> Signup and view all the answers

What is the predominant component of elastic tissue?

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

Which type of connective tissue cells provide support and defense against invading organisms?

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

What characterizes loose collagenous connective tissue?

<p>High vascularity and haphazardly arranged collagenous fibers (C)</p> Signup and view all the answers

Where are elastic fibers often arranged in elastic tissue?

<p>In a parallel arrangement (B)</p> Signup and view all the answers

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