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

Which body cavities can be affected by serous inflammation?

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

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

<p>Eosinophilic meshwork of threads (D)</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 (A)</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 (B)</p> Signup and view all the answers

Which body cavities are commonly affected by fibrinous inflammation?

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

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

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

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

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

What is the main component of pus in purulent inflammation?

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

What are abscesses?

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

What is the central region of an abscess composed of?

<p>Necrotic leukocytes and tissue cells (D)</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 (B)</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 (B)</p> Signup and view all the answers

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

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

What is the recommended approach for persistent or critical abscesses?

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

What is the most common location for ulcers to occur?

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

Which type of inflammation is often present in ulcers?

<p>Both acute and chronic inflammation (C)</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 (A)</p> Signup and view all the answers

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

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

What is an ulcer?

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

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

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

When does healing by connective tissue replacement occur?

<p>After substantial tissue destruction (B)</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 (A)</p> Signup and view all the answers

When does the acute inflammatory response progress to chronic inflammation?

<p>When it cannot be resolved (A)</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 (C)</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 (B)</p> Signup and view all the answers

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

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

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