Acute inflammation
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Questions and Answers

Which of the following best describes serous inflammation?

  • Inflammation characterized by the presence of large numbers of leukocytes
  • Inflammation caused by destructive organisms
  • Inflammation resulting from reduced blood outflow in heart failure
  • Inflammation marked by the exudation of cell-poor fluid into spaces created by injury to surface epithelia or body cavities (correct)

    • What is the fluid in serous inflammation typically like?

  • Cell-rich and infected by destructive organisms
  • Contains large numbers of leukocytes
  • Infected by destructive organisms
  • Cell-poor and not infected by destructive organisms (correct)

    • What is the term for the accumulation of fluid in body cavities?

  • Transudate
  • Purulent inflammation
  • Effusion (correct)
  • Exudation

    • Which conditions can cause effusions consisting of transudates?

    <p>Reduced blood outflow in heart failure</p> Signup and view all the answers

    What does a skin blister resulting from a burn or viral infection represent?

    <p>Accumulation of cell-poor fluid within the damaged epidermis</p> Signup and view all the answers

    Which body cavities can be affected by serous inflammation?

    <p>Peritoneum, pleura, and pericardium</p> Signup and view all the answers

    Which of the following is true about fibrinous exudate?

    <p>It can be dissolved by fibrinolysis and cleared by macrophages</p> Signup and view all the answers

    What is the histological appearance of fibrin in a fibrinous exudate?

    <p>Eosinophilic meshwork of threads</p> Signup and view all the answers

    What can happen if fibrin is not removed from a fibrinous exudate?

    <p>It can lead to the formation of scar tissue</p> Signup and view all the answers

    What does the conversion of fibrinous exudate to scar tissue lead to?

    <p>Opaque fibrous thickening of the pericardium</p> Signup and view all the answers

    Which body cavities are commonly affected by fibrinous inflammation?

    <p>Pleural cavity</p> Signup and view all the answers

    What triggers the development of a fibrinous exudate in inflammation? (2 ans)

    <p>Large leaks in the blood vessels</p> Signup and view all the answers

    How is a fibrinous exudate cleared from the site of inflammation?

    <p>Fibrinolysis by macrophages</p> Signup and view all the answers

    Which of the following is the most common cause of purulent inflammation?

    <p>Bacterial infection</p> Signup and view all the answers

    What is the main component of pus in purulent inflammation?

    <p>Neutrophils</p> Signup and view all the answers

    What are abscesses?

    <p>Localized collections of pus</p> Signup and view all the answers

    What is the central region of an abscess composed of?

    <p>Necrotic leukocytes and tissue cells</p> Signup and view all the answers

    What may happen to an abscess over time?

    <p>It may become walled off and replaced by connective tissue</p> Signup and view all the answers

    What is the main characteristic of purulent inflammation?

    <p>Production of pus, consisting of neutrophils and liquefied debris</p> Signup and view all the answers

    What is the primary cause of purulent (suppurative) inflammation?

    <p>Infection with pyogenic (pus-producing) bacteria</p> Signup and view all the answers

    What is the typical histological appearance outside the central region of an abscess?

    <p>Fibroblastic proliferation and vascular dilation</p> Signup and view all the answers

    What is the recommended approach for persistent or critical abscesses?

    <p>Surgical drainage</p> Signup and view all the answers

    What is the most common location for ulcers to occur?

    <p>Stomach</p> Signup and view all the answers

    What is the main cause of ulcers in the skin and subcutaneous tissue of the lower extremities in older persons?

    <p>Circulatory disturbances</p> Signup and view all the answers

    Which type of inflammation is often present in ulcers?

    <p>Both acute and chronic inflammation</p> Signup and view all the answers

    What is the characteristic histological appearance of ulcers during the acute stage?

    <p>Polymorphonuclear infiltration and vascular dilation</p> Signup and view all the answers

    What happens to the margins and base of an ulcer with chronicity?

    <p>Fibroblast proliferation</p> Signup and view all the answers

    What is an ulcer?

    <p>A local defect or excavation of the organ or tissue surface</p> Signup and view all the answers

    Which of the following is NOT one of the outcomes of acute inflammation?

    <p>Formation of abscesses</p> Signup and view all the answers

    What is the usual outcome when the injury is limited or short-lived and there has been little tissue destruction?

    <p>Complete resolution</p> Signup and view all the answers

    When does healing by connective tissue replacement occur?

    <p>After substantial tissue destruction</p> Signup and view all the answers

    What happens during healing by connective tissue replacement?

    <p>Connective tissue grows into the area of damage or exudate</p> Signup and view all the answers

    When does the acute inflammatory response progress to chronic inflammation?

    <p>When it cannot be resolved</p> Signup and view all the answers

    What is the process involved in resolution of acute inflammation?

    <p>Removal of cellular debris and microbes by macrophages</p> Signup and view all the answers

    What is the outcome of resolution of acute inflammation?

    <p>Restoration of the site of acute inflammation to normal</p> Signup and view all the answers

    What are the variables that may modify the basic process of inflammation?

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

    What is the main process involved in the resorption of edema fluid in the resolution of acute inflammation?

    <p>Lymphatic drainage</p> Signup and view all the answers

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