High Yield Bacteria INBDE UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Which bacteria is known to contribute to the initiation and progression of caries (especially root
caries) as well as periapical lesions? - CORRECT ANSWER - Actinomyces sp
Which bacteria is one of the predominant bacteria in dental plaque and is the primary pathogen
of caries (acidogenic)? - CORRECT ANSWER - Streptococcus mutans
Aggregatibacter actinomycetemcomitans is associated with what form of periodontitis? -
CORRECT ANSWER - Aggressive perio
Aggregatibacter actinomycetemcomitans is part of the _____ complex (color) - CORRECT
ANSWER - Green
Fusobacterium sp are part of the _____ complex (color) - CORRECT ANSWER - Orange
Which bacteria species may act as a bridge between early and late colonizing bacteria in plaque
and can be found in periapical lesions? - CORRECT ANSWER - Fusobacterium sp
Porphyromonas gingivalis is associated with what form of periodontitis? - CORRECT
ANSWER - Chronic
Subgingival calculus is associated with which type of bacteria? - CORRECT ANSWER -
Porphyromonas gingivalis
Porphyromonas gingivalis is part of the _____ complex (color) - CORRECT ANSWER -
Red
, Which bacteria inhabits subgingival areas and is responsible for the initiation of connective
tissue/alveolar bone destruction in periodontal disease? - CORRECT ANSWER -
Tannerella forsythia
Tannerella forsythia is part of the ____ complex (color) - CORRECT ANSWER - Red
Which bacteria is associated with incidence and severity of periodontal disease? - CORRECT
ANSWER - Treponema denticola
Treponema denticola is part of the _____ complex (color) - CORRECT ANSWER - Red
Which bacteria is a normal colonizer of skin but can be associated with aggressive and severe
infective endocarditis if able to enter the bloodstream? - CORRECT ANSWER -
Staphylococcus aureus
Streptococcus sanguinis is part of the _____ complex (color) - CORRECT ANSWER -
Yellow
Which bacteria is typically associated with healthy plaque biofilm but can cause infective
endocarditis if able to enter the bloodstream? - CORRECT ANSWER - Streptococcus
sanguinis
Streptococcus sanguinis belongs to which bacterial group? - CORRECT ANSWER -
Viridans streptococci
Which bacteria is associated with failed root canals and can resist intracanal medicaments and
irritants? - CORRECT ANSWER - Enterococcus faecalis
Which bacteria is associated with an infection of the colon, especially after prolonged use of
Clindamycin? - CORRECT ANSWER - Clostridium difficile
ACTUAL Exam Questions and CORRECT
Answers
Which bacteria is known to contribute to the initiation and progression of caries (especially root
caries) as well as periapical lesions? - CORRECT ANSWER - Actinomyces sp
Which bacteria is one of the predominant bacteria in dental plaque and is the primary pathogen
of caries (acidogenic)? - CORRECT ANSWER - Streptococcus mutans
Aggregatibacter actinomycetemcomitans is associated with what form of periodontitis? -
CORRECT ANSWER - Aggressive perio
Aggregatibacter actinomycetemcomitans is part of the _____ complex (color) - CORRECT
ANSWER - Green
Fusobacterium sp are part of the _____ complex (color) - CORRECT ANSWER - Orange
Which bacteria species may act as a bridge between early and late colonizing bacteria in plaque
and can be found in periapical lesions? - CORRECT ANSWER - Fusobacterium sp
Porphyromonas gingivalis is associated with what form of periodontitis? - CORRECT
ANSWER - Chronic
Subgingival calculus is associated with which type of bacteria? - CORRECT ANSWER -
Porphyromonas gingivalis
Porphyromonas gingivalis is part of the _____ complex (color) - CORRECT ANSWER -
Red
, Which bacteria inhabits subgingival areas and is responsible for the initiation of connective
tissue/alveolar bone destruction in periodontal disease? - CORRECT ANSWER -
Tannerella forsythia
Tannerella forsythia is part of the ____ complex (color) - CORRECT ANSWER - Red
Which bacteria is associated with incidence and severity of periodontal disease? - CORRECT
ANSWER - Treponema denticola
Treponema denticola is part of the _____ complex (color) - CORRECT ANSWER - Red
Which bacteria is a normal colonizer of skin but can be associated with aggressive and severe
infective endocarditis if able to enter the bloodstream? - CORRECT ANSWER -
Staphylococcus aureus
Streptococcus sanguinis is part of the _____ complex (color) - CORRECT ANSWER -
Yellow
Which bacteria is typically associated with healthy plaque biofilm but can cause infective
endocarditis if able to enter the bloodstream? - CORRECT ANSWER - Streptococcus
sanguinis
Streptococcus sanguinis belongs to which bacterial group? - CORRECT ANSWER -
Viridans streptococci
Which bacteria is associated with failed root canals and can resist intracanal medicaments and
irritants? - CORRECT ANSWER - Enterococcus faecalis
Which bacteria is associated with an infection of the colon, especially after prolonged use of
Clindamycin? - CORRECT ANSWER - Clostridium difficile
