anaerobes Flashcards
extremely virulent and can cause widespread of tissue necrosis
a. Bacteroides fragilis
b. Fusobacterium nucleatum
c Prevotella
d.Porphyromonas
Bacteroides fragilis
- most clinically relevant species
- most commonly isolated anaerobes
- EXTREMELY VIRULENT
- CAN CAUSE WIDESPREAD OF TISSUE NECROSIS
which of the following anaerobes has a safety appearance on gram stain
a. Bacteroides fragilis
b. Fusobacterium nucleatum
c Prevotella
d.Porphyromonas
Bacteroides fragilis
- most clinically relevant species
- most commonly isolated anaerobes
- EXTREMELY VIRULENT
- CAN CAUSE WIDESPREAD OF TISSUE NECROSIS
- can be pleomorphic with SAFETY PIN APPEARANCE ON GRAM STAIN
yersinia pestis
- wayson stain / methylene blue - BIPOLAR SAFETY PIN / CLOSED SAFETY PIN
Bacteroides fragilis has enhanced growth on what
a. 10%NaCl
b. 8%NaCl
c. 10% bile
d. 8% bile
Bacteroides fragilis
- most clinically relevant species
- most commonly isolated anaerobes
- EXTREMELY VIRULENT
- CAN CAUSE WIDESPREAD OF TISSUE NECROSIS
- can be pleomorphic with SAFETY PIN APPEARANCE ON GRAM STAIN
- growth enhanced at 10% bile
which of the anaerobes gram negative bacilli is slow growing (3-5 days)
a. Bacteroides fragilis
b. Fusobacterium nucleatum
c Prevotella
d.Porphyromonas
prevotella
- pigmented saccharolytic
- slow growing (3-5 days)
which of the following anaerobic gram negative bacilli has a characteristics of brick red fluorescence
a. Bacteroides fragilis
b. Fusobacterium nucleatum
c Prevotella
d.Porphyromonas
porphyromonas
- assachorlytic pigmented
- characteristically show BRICK RED FLUORESCENCE
porPHYR/PIREmonasa -> pyr > pire > fire> red
which of the followina anaerobic gram negative bacilli has a tapered end
a. Bacteroides fragilis
b. Fusobacterium
c Prevotella
d.Porphyromonas
fusobacterium
- spindle shaped cells in long filaments with TAPERED OR POINTED ENDS
which of the following anaeroebic gram negative bacilli is important pathogen on biolfilms
a. Bacteroides fragilis
b. Fusobacterium nucleatum
c Prevotella
d.Porphyromonas
Fusobacterium nucleatum
- Important pathogen in BIOFILMS in periodontal disease, root canal infections and dental abscesses
- associated with LIEMIERRE’S SYNDROME
which of the following is associated with Fusobacterium nucelatum
a. vincent disease
b. vincent angina
c. liemierr’s syndrome
d. none of the above
a. vincent disease
- Treponema sacranskii, T. denticola , T. pectinovorum
b. vincent angina
- aka TRench mouth
- Fusobacterium necrophorum
c. liemierre’s syndrome
- Fusobacterium nucleatum
which of the following has a colony opalescent with speckles\
a. Bacteroides fragilis
b. Fusobacterium nucleatum
c Fusobacterium necrophorum
d.Porphyromonas
Fusobacterium necrophorum
- Septicemia, metastatic infection (lung and liver abscesses)
- VINCENT’S ANGINA aka TRENCH MOUTH
- colonial morphology : OPALESCENT WITH SPECKLES when viewed undera stereoscope
anaerobic or aerotolerant gram negative bacilli with large , swollen spores
a. bacteriodes
b. prevotella
c. porphyromonas
d. clostridium
anaerobic gram negative bacilli
- Bacteroides, Fusobacterium, Prevotella, Porphyromonas
{ang BF mo HINDI(negative) na love PP mo kase WALA HANGIN(ANAEROBIC)}
Anaerobic gram positive bacilli spore forming
- Clostridium
SWOLLEN SPORES
what test to differentiate Clostridium from acteroides
a. ethanol heat shock spore test
b. reverse Camp positive
c. lecithinase
d. nota
ETHANOL HEAT SHOCK SPORE TEST
differentiate Clostridium from acteroides
lock jaw
a. Clostridium tetani
b. Clostridium botulinum
c. Clostridium perfringens
d. Clostridium difficile
Clostridium tetani
- causes: LOCK JAW
(Tupperware (tetani) LOCK)/ lOCKAND lOCK IS A TUPPERWARE)]
A. istraelli
- causative agent of LUMPY JAW
(Iisatrael ay LAMPA)
TACK HEAD BACILLUS
a. Clostridium tetani
b. Clostridium botulinum
c. Clostridium perfringens
d. Clostridium difficile
Clostridium tetani
- tack head bacillus
Clostridium botulinum
- canned good bacillus
(iBOTU niyo ako (kandidato) nag oamigay can goods)
this bacteria causes PLACID PARALYSIS
a. Clostridium tetani
b. Clostridium botulinum
c. Clostridium perfringens
d. Clostridium difficile
clostridium botulinum
- agent of botulinism
- toxin BOTOX causes PLACID PARALYSIS
clostridium tetani
- agent of tetanus
- toxin : TETANOSPAMIN causes LOCK JAW
most common type of food botulism
a. a,b,c
b. c,d,e
c. a,b,e
d. nota
clostridium botulinum
- agent of botulinism
- toxin BOTOX causes PLACID PARALYSIS
- most common type of food botulism :A, B, E
- most common type of botulinism is infant
