18. Family Moraxellaceae

Question 1

Moraxella spp. that are important in human medicine

Answer 1

M. catarrhalis
M. bovis
M. osloensis

Question 2

Motility of Moraxella spp.

Answer 2

Nonmotile

Question 3

Microscopic appearance of Moraxella spp.

Answer 3

Gram-negative coccobacilli

Question 4

Moraxella spp. isolated from humans only

Answer 4

Moraxella catarrhalis

Question 5

Factor that differentiates M. catarrhalis from N. gonorrhoeae

Answer 5

M. catarrhalis does not grow on Thayer-Martin agar because of colistin

Question 6

Media for M. catarrhalis

Answer 6

Nutrient agar
Blood agar (35° C)
Chocolate agar

Question 7

Oxidase reaction of M. catarrhalis

Answer 7

Oxidase positive

Question 8

Microscopic appearance of M. catarrhalis

Answer 8

Gram-negative coccobacilli

Question 9

Moraxella phenylpyruvicus is now called

Answer 9

Psychrobacter phenylpyruvicus

Question 10

Acinetobacter spp. that are important in human medicine

Answer 10

A. baumannii
A. lwoffii
A. haemolyticus

Question 11

Oxygen requirements for Acinetobacter spp.

Answer 11

Aerobic

Question 12

Microscopic appearance of Acinetobacter spp.

Answer 12

Gram-negative bacilli

Question 13

Oxidase reaction of Acinetobacter spp.

Answer 13

Oxidase negative

Question 14

Motility of Acinetobacter spp.

Answer 14

Nonmotile

Question 15

Acinetobacter spp. that causes nosocomial pneumonia/late-onset ventilator-associated pneumonia

Answer 15

A. baumanii

Question 16

Nitrate reduction characteristics of Acinetobacter spp.

Answer 16

Nitrate reduction negative

Question 17

Media for Acinetobacter spp.

Answer 17

MacConkey agar

Question 18

Acinetobacter spp. that does not grow well in MAC

Answer 18

A. lwoffii

Question 19

Genera under the Family Moraxellaceae

Answer 19

Moraxella

Acinetobacter