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Oral Microbiology Preparation (Dr. Chhay Sokdalis)

 

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1) Bacterial pathogens attach most often by all except which of the following mechanisms?

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2) Which is not true about Ludwig angina?

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3) Widely accepted theory of dental caries is πŸ˜•

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4) Mouthwashes contain several chemical agents to effectively control oral malodor. Select the agent that does not belong in mouthwashes:?

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5) A facultative anaerobic is:?

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6) Which of the following statements on dentoalveolar abscess is true?

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7) Which genus of bacterium contributes to plaque, caries, gingivitis, and periodontal disease?

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8) Which of the following bacteria that is predominant in chronic periodontitis?

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9) Which of the following bacteria that is predominant in aggressive periodontitis?

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10) Microorganisms play the most essential role.?

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11) True about caries, all EXCEPT:?

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12) Initiation of dental caries depends upon:?

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13) Members of the genus Lactobacillus are normal microflora of the?

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14) The bacteria detected in localized aggressive periodontitis are:?

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15) Which of the following statements on dental caries are true?

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16) Which of the following statements on complication of Ludwig’s angina is INEXACTE?

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17) Aggressive periodontitis is treated by:?

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18) Which of the following statements on streptococci are not true?

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19) With regard to prevention of dental caries, which of the following statements are true?

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20) Which of the following statements on dental caries is INEXACTE?

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21) Turbid dentin in carious tooth is all EXCEPT:?

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22) Which of the following statements on the natural history of periodontal disease is INEXACT?

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23) For a bacterium to be seriously considered in the etiology of dental caries, it must πŸ˜•

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24) The mutans group of streptococci are key cariogenic pathogens. Which of the following belongs to the mutans group?

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25) Chronic periodontitis is characterized by INEXACT:?

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26) What are the predominant plaque bacteria in periodontitis?

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27) In dentoalveolar abscess, the bacteria reach pulp by:?

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28) The most common protozoa in the oral cavity of people ?

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29) Which of the following statements on prevention of dental caries is INEXACTE?

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30) What are the predominant plaque bacteria in healthy condition?

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31) The organisms which can grow best in the presence of a low concentration of oxygen?

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32) Following can be used for cultivation of viruses EXCEPT:?

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33) Normal flora help protect the body from pathogens … ?

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34) Viruses that persist in the cell and cause recurrent disease are considered?

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35) Which of the following statements on acute necrotizing ulcerative gingivitis is INEXACTE?

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36) Viruses can be cultivated in?

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37) Lysozyme is present in?

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38) Microorganism that can grow in the presence as well as in the absence of molecular oxygen is?

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39) Mouthwashes used for controlling oral malodor should contain?

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40) Main predisposing factors of acute necrotizing ulcerative gingivitis is:?

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41) The main causative agent of Ludwig angina is:?

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42) Which of the following statements on Ludwig’s angina is INEXACTE?

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43) Which of the following statements on diagnosis of dental caries is INEXACTE?

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44) The following infectious agents are likely to be transmitted in dental care settings:?

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45) Probiotics exhibit all BUT the following characteristics:?

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46) Dentoalveolar abscess is treated by:?

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47) What are the predominant plaque bacteria in gingivitis?

48 / 80

48) How to manage dental caries?

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49) What is the cause of death in Ludwig angina?

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50) An abortive infection is one in which: ?

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51) Which of the following statements on aggressive periodontitis is EXACTE?

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52) Predisposing factors for acute necrotizing ulcerative gingivitis include INEXACT:?

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53) Which of the following statements on dentoalveolar infections is INEXACTE?

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54) The human body provides a favorable habitat for microorganisms. Which of the following does not contribute to this favorable habitat?

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55) Which of the following bacteria that is predominant in healthy condition?

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56) Which of the following vaccines would you recommend to your new female dental surgery assistant starting work with you?

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57) The main causative agent of Ludwig’s angina is:?

58 / 80

58) How to manage dentoalveolar abscess?

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59) The peak incidence of juvenile periodontitis in children occurs at ages:?

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60) Gram staining reflects in bacteria?

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61) Microorganisms that are frequently implicated in the pathogenesis of periodontal abscess include:?

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62) The legend of worms, endogenous theories, chemical theories and parasitic theory are early theories explaining:?

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63) Which of the following statements on periodontal disease is INEXACT?

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64) Which of the following disease most commonly afflicts human?

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65) An example of a nonspecific chemical barrier to infection is…?

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66) Communicable diseases can spread by several methods. Which is not an example of the direct transmission mode of disease spread?

67 / 80

67) The primary cause of periodontal diseases is?

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68) Which of the following statements on clinical sign of dental caries is INEXACTE?

69 / 80

69) How to manage acute necrotizing ulcerative gingivitis?

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70) There are many different types of bacteria normally present in the oral cavity. Which of the following is the name of the one most likely to be associated with the onset of dental caries?

71 / 80

71) Demineralization of inorganic portion and destruction of organic of tooth is known as:?

72 / 80

72) The dietary carbohydrate most likely involved in etiology of dental caries is πŸ˜•

73 / 80

73) Virus replicate by which of the following?

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74) Which of the following is associated with dental caries?

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75) Caries, all are true except:?

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76) Which of the following statements on clinical sign of chronic periodontitis is INEXACTE?

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77) Which of the following procedures can be regarded as optimal for controlling cross infection in a dental clinic?

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78) The main difference in true bacteria and mycoplasma is that it does not posses:?

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79) Which of the following statements on clinical sign of necrotizing ulcerative gingivitis is INEXACTE?

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80) Which of the following statements on chronic periodontitis is INEXACTE?

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