Periodontology
Pathogenesis. MCQ 2
MCQ (Single Best Answer) Instructions
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Choose the Single Best Answer (SBA) to the questions below:
1. Exotoxins can be produced by
2. Endotoxins can be produced by
3. The acute immune response seen in early gingivitis is characterised by
4. With gingivitis, the gingiva bleeds on probing because of
5. Which exotoxin destroys the connection between the epithelial cells, making the sulcular epithelium porous?
6. Which exotoxin destroys the Basement Membrane underlying the epithelial cells?
7. Bacteria can enter the blood stream via the gingiva when gingivitis is present. This is called
8. Gingivitis leads on to Periodontitis in some people / sites, but not all. This is believed to be mainly because of:
9. After stopping toothbrushing, bleeding on probing the gingival sulcus typically occurs
10. After resuming oral hygiene measures, bleeding on probing typically stops