Practice Quiz

ADA NBDE National Board Dental Part II

Category - NBDE II

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What are the four local signs of acute inflammation?
  1. Redness, heat, tumor, and swelling
  2. Redness, heat, swelling, and pain
  3. Inflammation, heat, swelling, and tumor
  4. Mast cells, inflammation, swelling, and heat
Explanation
Answer: B - The four local signs of acute inflammation are redness, heat, swelling, and pain. The redness is due to capillary dilation. The heat is due to increased blood flow and high metabolic velocity of neutrophils and macrophages. The swelling is due to increased cellular bustle and the pain is due to lysis of cells agitating bradykinin and protsglandin production.
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