ACTINOMYCETES AND NON SPORING ANAEROBES QUIZ

Which of the following bacteria is moderately saccharolytic?

B melaninogenicus

Bacteriodes fragilis

B gingivalis

B levii

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Bacteroides

Fusobacterium

Leptotrichia

All of these

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Lactobacilli grow best under

microaerophilic conditions in presence of 2% CO2 and PH4

microaerophilic conditions in presence of 3% CO2 and PH5

microaerophilic conditions in presence of 5% CO2 and PH6

strict anaerobic conditions

TRUE ANSWER : ?
YOUR ANSWER : ?

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

B melaninogenicus

B gingivalis

B levii

Bacteroides fragilis

TRUE ANSWER : ?
YOUR ANSWER : ?

The current genus name of a saccharolytic group of Bacteroides is

None of these

Bacteroides

Prevotella

Porphyromonas

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Which of the following bacteria is gram-negative cocci?

Peptostreptococcus

Peptococcus

Sporosarcina

Veillonella

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The commonest bacterial cause of cervicofacial actinomycosis is

A. viscosus

A. naeslundii

A. israelii

A. meyeri

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YOUR ANSWER : ?

Which of the following bacteria is acid-fast?

Nocardia

Corynebacterium

Streptomyces

Actinomyces

TRUE ANSWER : ?
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Colonies resembling molar teeth are produced by

Nocardia brasiliensis

N. asteroids

Actinomadura madurae

Actinomyces israelii

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

B vulgatus

B fragilis

B ovatus

B merdae

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YOUR ANSWER : ?