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Exam 3 - Anaerobes
Exam 3 - Anaerobes
86
Biology
Undergraduate 3
03/08/2015

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Term
Is the following considered an anaerobic GNB, GNC, GPC, or GPB:
Veillonella
Definition
GNC
Term
Is the following considered an anaerobic GNB, GNC, GPC, or GPB:
Peptostreptococcus
Definition
GPC
Term
Is the following considered an anaerobic GNB, GNC, GPC, or GPB:
Bacteroides
Definition
GNB
Term
Is the following considered an anaerobic GNB, GNC, GPC, or GPB:
Prevotella
Definition
GNB
Term
Is the following considered an anaerobic GNB, GNC, GPC, or GPB:
Porphyromonas
Definition
GNB
Term
Is the following considered an anaerobic GNB, GNC, GPC, or GPB:
Fusobacterium
Definition
GNB
Term
Is the following considered an anaerobic GNB, GNC, GPC, or GPB:
Clostridium (Spore former)
Definition
GPB
Term
Is the following considered an anaerobic GNB, GNC, GPC, or GPB:
Eubacterium
Definition
GPB
Term
Is the following considered an anaerobic GNB, GNC, GPC, or GPB:
Actinomyces
Definition
GPB
Term
Is the following considered an anaerobic GNB, GNC, GPC, or GPB:
Bifidobacerium
Definition
GPB
Term
Is the following considered an anaerobic GNB, GNC, GPC, or GPB:
Propionibacterium
Definition
GPB
Term
Which MO is considered as an Anaerobic diphtheroids
Definition
Propionibacterium
Term
With the Intestinal Tract what is the Anaerobes : Eenterics?
Definition
1000 : 1
Term
What type of Anaerobic specimen are the following considered:
Throat/Nasopharyngeal swab/Sputum
Feces/Bowel contents
Voided urine
Vaginal/Cervical Swab
Definition
Unacceptable Specimens
Term
What are considered good specimens for Anaerobic collection?
Definition
Aspirates and Tissues
Term
What is considered the lest desirable type of specimen for Anaerobic collection?
Definition
Swabs
Term
True or False:
Swab with Amies gel is approved for aerobic and anaerobic use
Definition
True
Term
What are Anaerobe BA, PEAK-K, Thio Broth, and Chopped Meat Broth supplemented with?
Definition
Vitamin K
Hemin
Term
What does PEA-K inhibit?
Definition
Facultative GNB
Term
What is LKV or KVLB helpful in culturing?
Definition
Bacteroides
Prevotella
Term
BBE - Isolation/Presumptive ID: ________ _____ group
Definition
Bacteroides fragilis
Term
True or False:
Thioglycollate is a reducing substance that keeps the environment anaerobic
Definition
True
Term
True or False:
Thio needs to be boiled or steamed before use
Definition
True
Term
The Palladium catalyst is inactivated by what?
Definition
Moisture
H2S
Term
The Palladium catalyst is reactivated by what?
Definition
Heating @ 160 degrees Celsius for 2 hours
Term
Where is the Palladium catalyst stored?
Definition
Desiccator
Term
Must incubate plates in GasPak for how many hours before opening?
Definition
48 hours
Term
What is the Anaerobe gas composition?
Definition
N2 : 85%
H2: 10%
CO2: 5%
Term
What type of loop should you use for general identification procedures?
Definition
Platinum or stainless steel loop
Term
True or False:
Most GN Anaerobes are Resistant to Vancomycin
Definition
True
Term
True or False:
Most GP MOs are Resistant to Colistin and Sensitive to Vancomycin
Definition
True
Term
What 3 things can you determine from Egg Yolk Agar?
Definition
Lecithinase
Lipase
Proteolysis
Term
Positive Result for Lecithinase
Definition
Opaque zone formed when lecithin is destroyed
Term
Positive Result for Lipase
Definition
Iridescent sheen
pearly layer
"oil on water"
Term
Positive Result for Proteolysis
Definition
Clear zone surrounding growth
Term
What is the Gram Stain of Bacteroides?
Definition
Pleomorphic GNB
Term
Which MO is the most common cause of anaerobic infections?
Definition
Bacteroides fragilis
Term
Identify the following:
Kana - R
Vanc - R
Col - R
Bile - R
Black/Brown Pigment - =
Definition
B. fragilis
Term
Identify the following:
Kana - R
Vanc - R
Col - V
Bile - S
Black/Brown Pigment - +
Definition
Pigmented Prevotella
Term
Identify the following:
Kana - R
Vanc - S
Col - R
Bile - S
Black/Brown Pigment - +
Definition
Porphyromonas species
Term
Identify the following:
Kana - S
Vanc - R
Col - S
Bile - S
Black/Brown Pigment - =
Definition
F. nucleatum
Term
What is the gram stain typical of Prevotella?
Definition
GNB
Term
Is Prevotella a pigmenting species?
Definition
Yes, but there are several nonpigmented species
Term
Does Prevotella fluoresce red under ultraviolet light?
Definition
Yes
Term
What is the gram stain of Porphyromonas?
Definition
GNB
Term
Does Porphyromonas fluoresce red under ultraviolet light?
Definition
Yes
Term
What is the Gram Stain of Fusobacterium?
Definition
GNB, spindle shaped, long slender filaments
Term
What do the colonies of Fusobacterium look like?
Definition
Ground glass, speckled, or "bread crumb"
Term
What is Peptostreptococcus anaerobius sensitive to?
Definition
Sodium polyanethol sulfonate (SPS)
Term
Does Veillonella Fluoresce red under ultraviolet light?
Definition
Yes
Term
Propionibacterium acnes is most often associated with what?
Definition
Blood culture contamination
Term
What is the typical Indole reaction for Propionibacterium acnes?
Definition
Indole Positive
Term
What is the typical Catalase reaction for Propionibacterium acnes?
Definition
Catalase Positive
Term
What does Actinomyces cause?
Definition
Actinomycosis
Term
Is Actinomyces considered normal flora?
Definition
Yes
Term
What is Actinomyces often associated with?
Definition
Actinobacillus
Term
Which MO may form "Sulfur Granules"?
Definition
Actinomyces
Term
Which MOs gram stain morphology may branch (GPB - nonsporeformers)
Definition
Actinomyces
Term
What is the colony characteristic of Actinomyces?
Definition
Molar Tooth
Term
Is Actinomyces a spore former?
Definition
No
Term
Is Propionibacterium acnes a spore former?
Definition
No
Term
Is Clostridium a spore former?
Definition
Yes
Term
What is the Gram Stain of Clostridium?
Definition
GPB, Spore formers
Box Car Shape
Term
Is Clostridium perfringens considered normal flora?
Definition
Yes
Term
What 2 types of infections are often associated with Clostridium perfringens?
Definition
Septicemia
Gas Gangrene
Term
Which MO is associated with a double zone of Beta hemolysis?
Definition
Clostridium perfringens
Term
Is Clostridium perfringens Reverse CAMP Positive or Negative?
Definition
Reverse CAMP Positive
Term
Is Clostridium perfringens Lecithinase Positive or Negative?
Definition
Lecithinase Positive
Term
Which MO is associated with "Antibiotic Associated Diarrhea?"
Definition
Clostridium difficile
Term
Which MO is associated with Pseduomembranous colitis?
Definition
Clostridium difficile
Term
True or False:
Clostridium difficile is normal GI tract flora
Definition
True
Term
Only people with what should be tested for Clostridium difficile?
Definition
Diarrhea
Term
What does Clostridium difficile produce?
Definition
Toxin
Term
What type of special media do you use for Clostridium difficile?
Definition
Cycloserine-cefoxitin-egg yolk, fructose (CCFA)
Term
What color colonies does Clostridium difficile produce on CCFA?
Definition
Yellow colonies
Term
Isolates from CCFA must be tested for what?
Definition
Toxin production
Term
What tests can you run to detect toxins (A&B) &/or glutamate dehydrogenase (GDH)?
Definition
EIA
Latex Agglutination
Term
Toxins A & B and glutamate dehydrogenase (GDH) are enzymes that are frequently associated with what MO?
Definition
Clostridium difficile
Term
Stool (with toxin) + Tissue Cells ---> ?
Definition
CPE
Term
Stool (with toxin) + Antitoxin + Tissue Cells ---> ?
Definition
No CPE
Term
Stool (No toxin) + Tissue Cells ---> ?
Definition
No CPE
Term
What was once considered the gold standard for identification of Clostridium difficle?
Definition
Cytotoxicity Test
Term
Which MO is tied with Bacteremia associated with underlying malignancy?
Definition
Clostridium septicum
Term
Which MO is associated with causing Tetanus (toxin) and is difficult to culture?
Definition
Clostridium tetani
Term
Which MO is associated with causing Botulism and whose diagnosis is usually by detecting toxin in patient specimen?
Definition
Clostridium botulinum
Term
True or False:
Botulism is a type of neuroparalytic disease
Definition
True
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