Foreign Body Granulomas Quiz

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

Which enzyme contributes to the destruction of engulfed antigens by generating hypochlorite and hydroxyl radical inside the phagosome?

  • Lactoferrin
  • Lysozyme
  • Myeloperoxidase (correct)
  • Collagenase

Which of the following is NOT a toxic oxygen species involved in the destruction of engulfed antigens?

  • Lactoferrin (correct)
  • Nitric Oxide
  • Hydroxyl Radical
  • Reactive Oxygen Intermediates

What contributes to oxygen-independent destruction of antigens by creating low intravacuolar pH?

  • Collagenase
  • Carbonic Acid (correct)
  • Lactoferrin
  • Lysozyme

Which enzyme, released in degranulation, causes tissue injury by proteolysis?

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

What is the term used to describe the inflammation of lymphatic vessels?

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

What can cause lymph nodes to enlarge in the context of inflammation?

<p>Hyperplasia of lymphoid follicles (A)</p> Signup and view all the answers

Which resistance factor contributes to chronic inflammation by preventing phagocytosis?

<p>Resistance of infective agent to phagocytosis (D)</p> Signup and view all the answers

Which autoimmune disease is an example of non-organ-specific autoimmune disease according to the text?

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

What type of immune response incites foreign body granulomas?

<p>B cell-mediated immune response (B)</p> Signup and view all the answers

Which cells are typically found apposed to the surface of a foreign body in a granuloma?

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

What causes central necrosis in granulomatous inflammation?

<p>Combination of hypoxia and free radical–mediated injury (A)</p> Signup and view all the answers

Which type of immune response is associated with granulomatous inflammation due to parasitic infections like schistosomiasis?

<p>Th1 responses with IFNγ production (D)</p> Signup and view all the answers

What is the role of arachidonic acid metabolites in inflammation?

<p>Mediate leukocyte chemotaxis and vascular reactions (B)</p> Signup and view all the answers

Which proteins mainly mediate leukocyte recruitment and migration in acute inflammation?

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

What effect do vasoactive amines, mainly histamine, have on blood vessels during inflammation?

<p>Cause vasodilation and increased vascular permeability (A)</p> Signup and view all the answers

Which cell-produced proteins act at short range and mediate multiple effects in acute inflammation?

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

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Browser