ACTINOMYCETES AND NON SPORING ANAEROBES QUIZ

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

Bacteroides fragilis

B gingivalis

B melaninogenicus

B levii

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Bacteroides

Fusobacterium

All of these

Leptotrichia

TRUE ANSWER : ?
YOUR ANSWER : ?

The commonest bacterial cause of cervicofacial actinomycosis is

A. meyeri

A. israelii

A. viscosus

A. naeslundii

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following bacteria is acid-fast?

Nocardia

Corynebacterium

Actinomyces

Streptomyces

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria which is predominant flora of the human gut is

Escherichia coli

Clostridium perfringens

Bacteroides

Actinomyces

TRUE ANSWER : ?
YOUR ANSWER : ?

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

B fragilis

B merdae

B ovatus

B vulgatus

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following bacteria is moderately saccharolytic?

B levii

B gingivalis

B melaninogenicus

Bacteriodes fragilis

TRUE ANSWER : ?
YOUR ANSWER : ?

Lactobacilli constitute the normal flora of

prepubertal vagina

adult vagina

post-menopausal vagina

none of these

TRUE ANSWER : ?
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 : ?

Which of the following bacteria is gram-negative cocci?

Sporosarcina

Peptococcus

Veillonella

Peptostreptococcus

TRUE ANSWER : ?
YOUR ANSWER : ?