Actinomycetes and Non Sporing Anaerobes
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Which
of the following bacteria is moderately saccharolytic?
a.
Bacteriodes fragilis
b.
B gingivalis
c. B melaninogenicus
d.
B levii
Which
of the following genera is included in the family Bacteroi-daceae?
a.
Bacteroides
b.
Fusobacterium
c.
Leptotrichia
d. All of these
The
bacteria which is predominant flora of the human gut is____________.
a.
Escherichia coli
b. Clostridium
perfringens
c.
Bacteroides
d.
Actinomyces
Which
of the following bacteria is gram-negative cocci?
a. Veillonella
b.
Peptococcus
c.
Peptostreptococcus
d.
Sporosarcina
Lactobacilli
constitute the normal flora of____________.
a.
prepubertal vagina
b. adult vagina
c.
post-menopausal vagina
d.
none of these
Colonies
resembling molar teeth are produced by____________.
a.
Nocardia brasiliensis
b.
N. asteroids
c. Actinomyces
israelii
d.
Actinomadura madurae
Which
of the following bacterial colonies fluoresce brick-red in UV light?
a.
B gingivalis
b. B melaninogenicus
c.
Bacteroides fragilis
d.
B levii
Lactobacilli
grow best under____________.
a.
strict anaerobic conditions
b. microaerophilic
conditions in presence of 5% CO2 and PH6
c.
microaerophilic conditions in presence of 3% CO2 and PH5
d.
microaerophilic conditions in presence of 2% CO2 and PH4
Which
of the following bacteria is acid-fast?
a.
Actinomyces
b. Nocardia
c.
Streptomyces
d.
Corynebacterium
The
commonest species of Bacteroides in fragilis group, which causes human infection,
is____________.
a.
B vulgatus
b. B fragilis
c.
B ovatus
d.
B merdae
The
current genus name of a saccharolytic group of Bacteroides is____________.
a. Porphyromonas
b.
Bacteroides
c.
Prevotella
d.
None of these
The
commonest bacterial cause of cervicofacial actinomycosis is____________.
a.
A. naeslundii
b.
A. viscosus
c. A. israelii
d.
A. meyeri