Connective Tissue
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Questions and Answers

What is the function of reticular cells in parenchymatous organs?

  • Store lipids for energy reserves
  • Phagocytize foreign particles
  • Synthesize collagen fibers to provide scaffolding (correct)
  • Contain basophilic granules for allergic reactions

Which type of adipocytes contains multiple droplets of lipids?

  • White adipose tissue
  • Brown adipose tissue
  • Unilocular adipocytes
  • Multilocular adipocytes (correct)

What is the main function of macrophages in connective tissue?

  • Secrete histamine for allergic reactions
  • Deposit lipids
  • Phagocytize foreign particles (correct)
  • Synthesize collagen fibers

Which cell type is involved in inflammatory and allergic reactions by releasing histamine?

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

What symptom is triggered by the degranulation of mast cells?

<p>Allergic reaction symptoms (D)</p> Signup and view all the answers

Which type of white blood cell is not a resident cell in connective tissue?

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

What is the primary function of connective tissue?

<p>To provide physical support to the body (C)</p> Signup and view all the answers

Which of the following is NOT a characteristic of connective tissue?

<p>Presence of a basement membrane (C)</p> Signup and view all the answers

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

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

What is the function of fibroblasts in connective tissue?

<p>To synthesize the fibers of connective tissue (A)</p> Signup and view all the answers

Which of the following is a type of malignant tumor that originates from connective tissue?

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

What is the primary role of the interstitial fluid in connective tissue?

<p>To transport nutrients and waste (D)</p> Signup and view all the answers

What is the function of reticular fibers in the body?

<p>Serve as a scaffolding to cells or cell groups (A)</p> Signup and view all the answers

Which cells synthesize reticular fibers?

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

What is the composition of ground substance in connective tissue?

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

What is the key property of Glycosaminoglycans (GAGs) in connective tissue?

<p>Enable binding of water (C)</p> Signup and view all the answers

What is the function of adipose connective tissue?

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

What role do lymphatics play in connective tissue?

<p>Aid in fluid movement and prevent edema (B)</p> Signup and view all the answers

Which type of collagen is the most abundant in the body?

<p>Type 1 (C)</p> Signup and view all the answers

What is the function of Type 3 collagen in the body?

<p>Found in the stroma of expandable organs (C)</p> Signup and view all the answers

What color do collagen fibers typically stain with HE (Hematoxylin and Eosin) staining?

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

Which protein represents 30% of the body's dry weight in humans?

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

Where can elastic fibers be predominantly found in the body?

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

Which vitamin is mentioned as an important cofactor in collagen synthesis?

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

What is the primary role of fibroblasts in connective tissue?

<p>To synthesize the fibers of the connective tissue (C)</p> Signup and view all the answers

Which type of collagen is considered the most abundant in the human body?

<p>Type I collagen (C)</p> Signup and view all the answers

What is the primary function of the interstitial (tissue) fluid in connective tissue?

<p>To provide nutrients and oxygen to the cells (C)</p> Signup and view all the answers

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

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

Which of the following is a characteristic of connective tissue?

<p>The cells lack a basement membrane (C)</p> Signup and view all the answers

What type of malignant tumor originates from connective tissue?

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

What is the primary function of reticular cells in parenchymatous organs?

<p>To provide structural support and scaffolding for the specialized epithelial cells (C)</p> Signup and view all the answers

What is the main difference between multilocular and unilocular adipocytes?

<p>Multilocular adipocytes are found in brown adipose tissue, while unilocular adipocytes are found in white adipose tissue (C)</p> Signup and view all the answers

What is the primary role of mast cells in connective tissue?

<p>To trigger inflammatory and allergic reactions by releasing chemical mediators like histamine (B)</p> Signup and view all the answers

Which type of white blood cell is not considered a resident cell in connective tissue?

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

What is the primary function of Kupffer cells in the liver?

<p>To phagocytose and destroy foreign pathogens and cellular debris (B)</p> Signup and view all the answers

What is the main function of the interstitial fluid in connective tissue?

<p>To facilitate the movement of immune cells and transport of waste products (D)</p> Signup and view all the answers

What is the main characteristic of collagen fibers in connective tissue?

<p>They are the most abundant fibers in connective tissue and give it a white color (C)</p> Signup and view all the answers

Which cell type is primarily responsible for synthesizing collagen in the body?

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

What is the key property of elastic fibers in connective tissue?

<p>They can stretch up to 2.5 times their original length and then recoil (D)</p> Signup and view all the answers

Which type of collagen is the most abundant in the human body?

<p>Type 1 collagen (D)</p> Signup and view all the answers

What is the primary function of reticular fibers in connective tissue?

<p>To form a branching network in the stroma of expandable organs (D)</p> Signup and view all the answers

What is the primary role of vitamin C in the context of connective tissue?

<p>To act as an important cofactor in collagen synthesis (B)</p> Signup and view all the answers

What is the primary function of the reticular fibers in connective tissue?

<p>To provide structural support and scaffolding for cells and tissues (B)</p> Signup and view all the answers

Which of the following cells is responsible for the synthesis of reticular fibers?

<p>Reticular cells, liver cells, smooth muscle cells, and skeletal muscle cells (C)</p> Signup and view all the answers

What is the primary role of the interstitial fluid in connective tissue?

<p>To provide nutrients and oxygen to the cells (A)</p> Signup and view all the answers

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

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

What is the function of the adipose connective tissue?

<p>To store energy in the form of fat (A)</p> Signup and view all the answers

What is the key property of glycosaminoglycans (GAGs) in connective tissue?

<p>They allow for binding of water, resisting compressive forces, cell adhesion to fibers, cell migration, and act as a barrier to bacterial and venom penetration (B)</p> Signup and view all the answers

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