AACEK GROUP

Question 1

Slow-growing gram-negative bacilli associated with endocarditis’ colonizes oropharynx ; growth enhanced by increased CO2 (capnophilic)

Answer 1

AACEK group

Question 2

AACEK stands for:

Answer 2

A - Aggregatibacter aphrophilus
A - Actinobacillus (Aggregatibacter) actinomycetemcomitans
C - Cardiobacterium hominis
E - Eikenella corrodens
K - Kingella kingae

Question 3

Small gram-negative bacillus, nonmotile and resembles Pasteurella. Causes granulomatous disease in animals

Answer 3

Actinobacillus (Aggregatibacter) actinomycetemcomitans

Question 4

Actinobacillus (Aggregatibacter) actinomycetemcomitans colonies:

Answer 4

Star-shape configuration

Question 5

Isolated as a rare cause of endocarditis (esp. with an existing heart defect/anatomic heart defects); normally found in the upper RT

Answer 5

Cardiobacterium hominis

Question 6

Eikenella corrodens is also known as:

Answer 6

“Corroding bacterium”

Question 7

Characteristic odor of Eikenella corrodens:

Answer 7

“sharp odor of bleach”

Question 8

Bacteria that infects human bites:

Answer 8

Eikenella corrodens

Question 9

Oxidase positive and ferments glucose; Short coccobacillus with rounded ends; Require blood for growth and may pit the agar

Answer 9

Kingella kingae