Inflammation Pathology Quiz

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Questions and Answers

What is the main reason for redness in inflammation?

  • Vasodilatation (correct)
  • Histamine release
  • Swollen endothelium
  • Vasoconstriction

What causes pain in inflammation?

  • Vasoconstriction
  • Leukocyte migration
  • Hemoconcentration
  • Compression of nerves by exudate (correct)

Which process involves leukocytes passing through gaps between intact endothelium?

  • Activation
  • Chemo-attraction
  • Transmigration (correct)
  • Adhesion

What is the main reason for swelling of endothelial cells during inflammation?

<p>Diapedesis through intact vessels (D)</p> Signup and view all the answers

Which molecules cause the immobilization of leukocytes during adhesion in inflammation?

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

What initiates the rolling phase of leukocytes during the inflammatory response?

<p>Recognition of pathogens by leukocytes (B)</p> Signup and view all the answers

What is the purpose of inflammation?

<p>To eliminate the cause of injury (A)</p> Signup and view all the answers

Which component is NOT involved in inflammation?

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

What is the main function of leukocytes in inflammation?

<p>To eliminate pathogens and damaged cells (B)</p> Signup and view all the answers

Which term describes the reaction of living tissue against injury?

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

What is the primary reason for leukocytes extravasation during inflammation?

<p>To migrate from blood vessels to the site of injury (D)</p> Signup and view all the answers

What is the function of neutrophils in the inflammation area?

<p>Perform phagocytosis and kill microbes (D)</p> Signup and view all the answers

Which process involves forming a network of fibrin threads to localize infection?

<p>Fibrinogen clot formation (D)</p> Signup and view all the answers

What is the role of antibodies in the immune system?

<p>Block antigen receptors (C)</p> Signup and view all the answers

Which protein complex forms a hole in the cell membrane during cell lysis?

<p>Membrane attack complex (D)</p> Signup and view all the answers

What stimulates histamine release and acts as a strong leukocyte chemoattractant?

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

What promotes phagocytosis by neutrophils and macrophages by binding to specific receptors?

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

What are the harmful effects of inflammation?

<p>Swelling of inflamed tissues with obstruction and loss of function (C)</p> Signup and view all the answers

What is the main characteristic of hypersensitivity in inflammation?

<p>Exaggerated response of inflammatory cells (C)</p> Signup and view all the answers

What do selectins and integrins refer to in the context of inflammation?

<p>Adhesion molecules on endothelial cells and leukocytes (B)</p> Signup and view all the answers

What does opsonization refer to in the process of inflammation?

<p>Enhancement of phagocytosis by coating pathogens (D)</p> Signup and view all the answers

Which of the following best describes the role of complement in inflammation?

<p>Enhancing phagocytosis and immune response (A)</p> Signup and view all the answers

What is the main function of neutrophils and macrophages in the context of phagocytosis?

<p>Remove waste materials from the area of inflammation (D)</p> Signup and view all the answers

Which of the following factors help enhance phagocytosis alongside opsonins and complement?

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

What is the term for the process where a phagocyte engulfs a microbe after chemotaxis and adherence?

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

In chronic inflammation, which type of cells are typically present in higher numbers compared to acute inflammation?

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

What is a common manifestation of acute inflammation microscopically when examining blood vessels?

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

Which component of the immune system is involved in producing collagen during tissue repair in cases of chronic inflammation?

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

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