Exam 30: Actinobacillus, Aggregatibacter, Kingella, Cardiobacterium, Capnocytophaga, and Similar Organisms

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

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

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

Aggregatibacter actinomycetemcomitans can be distinguished from Aggregatibacter aphrophilus by its:

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

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

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

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

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

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