Question 1

Which organism can cause granulomatous disease in animals and has been associated with soft-tissue infection in humans after animal bites?

Accepted Answer

A)  S.paucimobilis
B)  Weeksella virosa
C)  Pasteurella multocida
D)  Actinobacillus spp.E) B) and D)
F) A) and B)

Question 2

Of the following organisms,which one is among the Aggregatibacter aphrophilus,Aggregatibacter actinomycetemcomitans,Cardiobacterium hominis,Eikenella corrodens,and Kingella spp.(HACEK) group of organisms that cause slowly progressive bacterial endocarditis?

Accepted Answer

A)  Capnocytophaga gingivalis
B)  Sphingomonas paucimobilis
C)  E.corrodens
D)  A.actinomycetemcomitansE) B) and C)
F) None of the above D

Question 3

To test the validity of catalase reagent,which two organisms should be used?

Accepted Answer

A)  A.actinomycetemcomitans and Kingella kingae
B)  C.hominis and A.aphrophilus
C)  K.denitrificans and K.kingae
D)  Actinobacillus suis and Actinobacillus ureaeE) None of the above
F) B) and D)

Question 4

Which antimicrobial regimen should be administered to a patient suspected of having endocarditis as a result of infection with C.hominis?

Accepted Answer

A)  Chloramphenicol and tetracycline
B)  Erythromycin and ciprofloxacin
C)  Ampicillin and ceftriaxone
D)  Penicillin,with or without an aminoglycoside agentE) A) and B)
F) None of the above

Question 5

A.actinomycetemcomitans can be distinguished from A.aphrophilus by its:

Accepted Answer

A)  negative test for catalase.
B)  positive test for lactose fermentation.
C)  positive test for catalase.
D)  negative test for oxidase.E) B) and C)
F) A) and D) C

Question 6

K.denitrificans,which is nonhemolytic and tends to pit the agar,also grows on selective media that support the growth of which gram-negative diplococci?

Accepted Answer

A)  Capnocytophaga spp.
B)  C.hominis
C)  A.aphrophilus
D)  N.gonorrhoeaeE) All of the above
F) None of the above D

Question 7

Which yellow-pigmented organism exhibits gliding motility that grows best at 35°C and in conditions with increased carbon dioxide (CO₂) but cannot grow in ambient air?

Accepted Answer

A)  Actinobacillus
B)  Capnocytophaga
C)  Cardiobacterium
D)  KingellaE) A) and D)
F) C) and D)

Question 8

Which of the following biochemical reactions identifies an organism associated with blood,bone,and joint infections in young children?

Accepted Answer

A)  Positive catalase,positive nitrate reduction,and positive indole
B)  Negative catalase,positive nitrate reduction,and positive indole
C)  Negative catalase,negative nitrate reduction,and positive indole
D)  Negative catalase,negative nitrate reduction,and negative indoleE) C) and D)
F) A) and B)

Question 9

Kingella spp.can be distinguished from Neisseria spp.by its:

Accepted Answer

A)  negative test for catalase.
B)  positive test for lactose fermentation.
C)  positive test for catalase.
D)  negative test for oxidase.E) A) and B)
F) B) and C)

Question 10

Which organism is slightly a-hemolytic after 48 hours and is commonly associated with individuals with anatomic heart defects?

Accepted Answer

A)  K.kingae
B)  C.hominis
C)  A.suis
D)  Capnocytophaga spp.E) A) and B)
F) A) and C)

Exam 29: Actinobacillus, Kingella, Cardiobacterium, Capnocytophaga, and Similar Organisms

Which organism can cause granulomatous disease in animals and has been associated with soft-tissue infection in humans after animal bites?

Correct Answer
verified

Of the following organisms,which one is among the Aggregatibacter aphrophilus,Aggregatibacter actinomycetemcomitans,Cardiobacterium hominis,Eikenella corrodens,and Kingella spp.(HACEK) group of organisms that cause slowly progressive bacterial endocarditis?

Correct Answer
verified
D

To test the validity of catalase reagent,which two organisms should be used?

Correct Answer
verified

Which antimicrobial regimen should be administered to a patient suspected of having endocarditis as a result of infection with C.hominis?

Correct Answer
verified

A.actinomycetemcomitans can be distinguished from A.aphrophilus by its:

Correct Answer
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C

K.denitrificans,which is nonhemolytic and tends to pit the agar,also grows on selective media that support the growth of which gram-negative diplococci?

Correct Answer
verified
D

Which yellow-pigmented organism exhibits gliding motility that grows best at 35°C and in conditions with increased carbon dioxide (CO₂) but cannot grow in ambient air?

Correct Answer
verified

Which of the following biochemical reactions identifies an organism associated with blood,bone,and joint infections in young children?

Correct Answer
verified

Kingella spp.can be distinguished from Neisseria spp.by its:

Correct Answer
verified

Which organism is slightly a-hemolytic after 48 hours and is commonly associated with individuals with anatomic heart defects?

Correct Answer
verified

Exam 29: Actinobacillus, Kingella, Cardiobacterium, Capnocytophaga, and Similar Organisms

Which organism can cause granulomatous disease in animals and has been associated with soft-tissue infection in humans after animal bites?

Correct AnswerverifiedShow Answer

Of the following organisms,which one is among the Aggregatibacter aphrophilus,Aggregatibacter actinomycetemcomitans,Cardiobacterium hominis,Eikenella corrodens,and Kingella spp.(HACEK) group of organisms that cause slowly progressive bacterial endocarditis?

Correct AnswerverifiedD

To test the validity of catalase reagent,which two organisms should be used?

Correct AnswerverifiedShow Answer

Which antimicrobial regimen should be administered to a patient suspected of having endocarditis as a result of infection with C.hominis?

Correct AnswerverifiedShow Answer

A.actinomycetemcomitans can be distinguished from A.aphrophilus by its:

Correct AnswerverifiedC

K.denitrificans,which is nonhemolytic and tends to pit the agar,also grows on selective media that support the growth of which gram-negative diplococci?

Correct AnswerverifiedD

Which yellow-pigmented organism exhibits gliding motility that grows best at 35°C and in conditions with increased carbon dioxide (CO₂) but cannot grow in ambient air?

Correct AnswerverifiedShow Answer

Which of the following biochemical reactions identifies an organism associated with blood,bone,and joint infections in young children?

Correct AnswerverifiedShow Answer

Kingella spp.can be distinguished from Neisseria spp.by its:

Correct AnswerverifiedShow Answer

Which organism is slightly a-hemolytic after 48 hours and is commonly associated with individuals with anatomic heart defects?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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D

Correct Answer
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Correct Answer
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C

Correct Answer
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D

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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