ACTINOMYCETES AND NON SPORING ANAEROBES QUIZ

Which of the following bacteria is moderately saccharolytic?

B levii

B gingivalis

Bacteriodes fragilis

B melaninogenicus

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YOUR ANSWER : ?

The commonest species of Bacteroides in fragilis group, which causes human infection, is

B ovatus

B fragilis

B merdae

B vulgatus

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Colonies resembling molar teeth are produced by

Nocardia brasiliensis

Actinomadura madurae

Actinomyces israelii

N. asteroids

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YOUR ANSWER : ?

Lactobacilli grow best under

strict anaerobic conditions

microaerophilic conditions in presence of 5% CO2 and PH6

microaerophilic conditions in presence of 3% CO2 and PH5

microaerophilic conditions in presence of 2% CO2 and PH4

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria which is predominant flora of the human gut is

Clostridium perfringens

Escherichia coli

Actinomyces

Bacteroides

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YOUR ANSWER : ?

Which of the following bacteria is acid-fast?

Corynebacterium

Streptomyces

Nocardia

Actinomyces

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following bacteria is gram-negative cocci?

Peptostreptococcus

Sporosarcina

Peptococcus

Veillonella

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following bacterial colonies fluoresce brick-red in UV light?

Bacteroides fragilis

B levii

B gingivalis

B melaninogenicus

TRUE ANSWER : ?
YOUR ANSWER : ?

The commonest bacterial cause of cervicofacial actinomycosis is

A. meyeri

A. viscosus

A. israelii

A. naeslundii

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YOUR ANSWER : ?

Which of the following genera is included in the family Bacteroi-daceae?

Bacteroides

Leptotrichia

Fusobacterium

All of these

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YOUR ANSWER : ?