Practice Quiz

ADA NBDHE Dental Hygienist

Category - Scientific Basis for Dental Hygiene Practice

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How many cardinal signs of inflammation are there?
  1. 2
  2. 3
  3. 4
  4. 5
Explanation
Answer: D - There are five cardinal signs of inflammation. Ruber is due to increased vascularity. Tumor is due to exudation of fluid. Calor is due to a combination of increased blood flow and the release of inflammatory mediators. Dolar is due to the stretching of pain receptors and nerves by inflammatory exudates and by the release of chemical mediators. Function laesa is due to a combination of the above effects.
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