OTHER MICROORGANISMS

Question 1

Most commonly isolated anaerobes from blood cultures

Answer 1

BACTEROIDES FRAGILIS

Question 2

B-Lactamase producer, non-motile and saccharolytic.

Answer 2

BACTEROIDES FRAGILIS

Question 3

intra-abdominal abscesses.

Answer 3

Bacteroides fragilis

Question 4

exhibit a gray color and growth with 20% bile and cause the blackening of the originally yellow-colored agar.

Answer 4

Bacteroides fragilis on Bacteroides bile esculin (BBE) agar

Question 5

(+) Esculin hydrolysis

Answer 5

Biochemical test of Bacteroides fragilis

Question 6

Most common cause of actinomycosis

Answer 6

ACTINOMYCES ISRAELLI

Question 7

Indigenous microbiota of oral cavity

Answer 7

ACTINOMYCES ISRAELLI

Question 8

Molar tooth appearance

Answer 8

ACTINOMYCES ISRAELLI

Question 9

• Indigenous microbiota of the skin
• Frequently isolated from blood culture

Answer 9

PROPIONIBACTERIUM ACNE

Question 10

• Pleomorphic, Gram-positive rods
• Non-motile, aerotolerant

Answer 10

LACTOBACILLUS

Question 11

L. acidophilus, L. fermentum, L.
vaginalis and L. salivarius

Answer 11

Specie of Lactobacillus

Question 12

Part of indigenous microbiota of the mouth, GIT and vaginal canal.

Answer 12

LACTOBACILLUS ACIDOPHILUS

Question 13

Protects female genital tract from urogenital infections

Answer 13

LACTOBACILLUS ACIDOPHILUS

Question 14

Bacterial vaginosis

Answer 14

Related infection of Lactobacillus acidophilus

Question 15

Tomato juice agar (pH 3 to
4)

Answer 15

Differential medium of Lactobacillus acidophilus

Question 16

(-) catalase, H2S and esculin
hydrolysis.

Answer 16

Biochemical test of Lactobacillus acidophilus