Acute Inflammation: Effects and Sequelae
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Questions and Answers

What is the usual outcome of acute inflammation when the injury is limited or short-lived?

  • Progression to chronic inflammation
  • Complete resolution (correct)
  • Healing by fibrosis
  • Abscess formation

What is necessary to prevent bystander destruction of tissues?

  • Prolong the inflammation
  • Increase the production of pro-inflammatory cytokines
  • Reduce the production of growth factors
  • Actively terminate inflammation (correct)

What happens to neutrophils during the resolution of acute inflammation?

  • They migrate to other tissues
  • They proliferate and enhance inflammation
  • They differentiate into macrophages
  • They undergo apoptosis (correct)

What is the role of macrophages during the resolution of acute inflammation?

<p>They change character and promote repair (D)</p> Signup and view all the answers

What type of cytokines are released during the resolution of acute inflammation?

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

What is the role of growth factors during the resolution of acute inflammation?

<p>They promote repair (A)</p> Signup and view all the answers

What type of lipids are produced during the resolution of acute inflammation?

<p>Anti-inflammatory lipids (A)</p> Signup and view all the answers

What is one of the sequelae of acute inflammation?

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

What is the consequence of acute inflammation failing to resolve?

<p>Formation of a cavity and abscess formation (B)</p> Signup and view all the answers

What is the primary reason for the transition from acute to chronic inflammation?

<p>The perseverance of the injurious agent (B)</p> Signup and view all the answers

What is the result of healing by fibrosis?

<p>Fibrin meshwork formation (C)</p> Signup and view all the answers

What is a consequence of defective inflammation?

<p>Delayed wound healing (B)</p> Signup and view all the answers

What is a beneficial effect of inflammation?

<p>Dilution of toxins by edema fluid (A)</p> Signup and view all the answers

What is the result of excess inflammation?

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

What is the role of increased vascular permeability in inflammation?

<p>Entry of antibodies into extravascular space (C)</p> Signup and view all the answers

What is a consequence of chronic inflammation?

<p>Fibrosis as a sequel of chronic infections (A)</p> Signup and view all the answers

What is the purpose of the conversion of fibrinogen to fibrin?

<p>To delay bacterial spread (D)</p> Signup and view all the answers

What is a harmful effect of inflammation?

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

What mediates the acute-phase response during inflammation?

<p>Cytokines such as TNF, IL-1, and IL-6 (C)</p> Signup and view all the answers

What is a potential consequence of increased vascular permeability during inflammation?

<p>Shock, as seen in anaphylactic reactions (C)</p> Signup and view all the answers

What is the result of the cytokine-induced systemic reaction during inflammation?

<p>Acute-phase response (A)</p> Signup and view all the answers

What is digested during inflammation?

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

What is a potential consequence of tissue necrosis during inflammation?

<p>Life-threatening conditions (C)</p> Signup and view all the answers

What is the role of interferons during inflammation?

<p>Contributing to the acute-phase response (C)</p> Signup and view all the answers

What is the primary response to pyrogens in the hypothalamus?

<p>∆PG synthesis (A)</p> Signup and view all the answers

What is the typical leukocyte count in bacterial infections?

<p>15,000 to 20,000 cells/μl (B)</p> Signup and view all the answers

What is the characteristic of leukemoid reactions?

<p>Accelerated release of cells from the bone marrow (A)</p> Signup and view all the answers

What is the typical response to viral infections?

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

What is the primary cause of septic shock?

<p>All of the above (D)</p> Signup and view all the answers

What is the result of inhibititing TFPI in sepsis?

<p>Increased thrombi formation (B)</p> Signup and view all the answers

What is the characteristic of septic shock?

<p>Triad of liver failure, hypoglycemia, and cardiovascular failure (D)</p> Signup and view all the answers

What is the result of liver failure in sepsis?

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

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