Lecture 5: Acute Inflammation - Definition and Types

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Questions and Answers

What are the cardinal signs of acute inflammation?

  • Redness, swelling, heat, pain, loss of function (correct)
  • Cough, fever, headache, fatigue, dizziness
  • Itching, rash, sneezing, fatigue, fever
  • Nausea, vomiting, abdominal pain, diarrhea, constipation

Which cells are the main inflammatory cells in acute inflammation?

  • Neutrophils (correct)
  • Lymphocytes
  • Macrophages
  • Eosinophils

What is the predominant cell type in chronic inflammation?

  • Eosinophils
  • Macrophages
  • Neutrophils
  • Lymphocytes (correct)

Which of the following is a major component of acute inflammation?

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

What results in the marked increase of blood flow to the affected area in acute inflammation?

<p>Transient vasoconstriction then permanent vasodilation of arterioles, capillaries, and post-capillary venules (B)</p> Signup and view all the answers

What is the main cause of increased capillary permeability in acute inflammation?

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

What is the characteristic rolling movement of leukocytes along the endothelial surface called?

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

Which chemical substance causes vascular dilatation in acute inflammation?

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

What systemic effect of acute inflammation is caused by pyrogens like interleukin 1 (IL-1) and tumour necrosis factor (TNF)?

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

What type of acute inflammation is characterized by pus formation and is caused by pyogenic bacteria?

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

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