(Part 2) 2.11.2 HACEK bacteria

Question 1

Most prevalent spp among HACEK group that involves endocarditis

Answer 1

Aggregatibacter (Haemophilus) aphrophilus

Question 2

Members of coccobacillary to short bacilli with squared ends

Answer 2

Kingella sp.

Question 3

Member of the normal biota of the oral and bowel cavitis

Answer 3

Eikenella corrodens

Question 4

The infection includes bacterial endocarditis and periodontitis

Answer 4

Aggregatibacter actinomycetemcomitans

Question 5

A pleomorphic, non motile, fastidious, that cause oral infections or dental procedure usually precede endocarditis

Answer 5

Cardiobacterium hominis

Question 6

Usually found in dental plaque and gingival scrapings

Answer 6

Aggregatibacter (Haemophilus) aphrophilus

Question 7

This causes Heart murmur and congestive heart failure

Answer 7

Aggregatibacter (Haemophilus) aphrophilus

Question 8

This isolate requires more than 24 hrs for visible growth

Answer 8

Aggregatibacter actinomycetemcomitans

Question 9

What is the distincitve characteristic of A. actinomycetemcomitans?

Answer 9

Star shape colonies with 4- 6 points (Center)

Question 10

This HACEK occurs as mixed infection which may implicate in periodontitis, osteomyelitis, bite wound, and etc.

Answer 10

Eikenella corrodens

Question 11

Associated with poor dental hygiene or oral surgery infection

Answer 11

Kingella spp.

Question 12

Spp. of Kingella that are recognized as an important pathigen in the PEDIATRIC population causing a OSTEOARTHRITIS

Answer 12

Kingella kingae

Question 13

Which among the HACEK group causes Pitting?

Answer 13

Cardiobacterium hominis
Eikenella Corrodens
Kingella spp.

Question 14

Which of the HACEK group is Beta Hemolysis?

Answer 14

Kingella

Question 15

45% of these isolates causes Pitting or CORRODED the surface agar

Answer 15

Eikenella corrodens