Anaerobes

Question 1

_____/_____ anaerobes produce endospores

Answer 1

Clostridium/Clostridiodes

Question 2

exogenous infections are usually caused by ___/___

Answer 2

Clostridium/Clostridioides

Question 3

Under longwave (366nm) UV light, Poryphyromonas and Prevotella floresce ___

Answer 3

brick red

Question 4

Under longwave (366nm) UV light, Fusobacterium nucleatum and C. diff fluoresce ___

Answer 4

chartreuse

Question 5

Under longwave (366nm) UV light, Veillonella fluoresce

Answer 5

red

Question 6

Sodium polyanethol sulfonate (SPS) disk presumptively IDs ___

Answer 6

Peptostreptococcus anaerobius

Question 7

Bile disk presumptively IDs

Answer 7

Bacteroides fragilis

Question 8

Clostridium/Clostridiodes is responsible for some of the deadliest infections (3)

Answer 8

Gas gangrene
tetanus
botulism

Question 9

less life threatening diseases of Clostridium/Clostridiodes

Answer 9

pseudomembranous colitis
food poisoning

Question 10

C. tetani has ___ endospores, C. botulinum as ___ endospores

Answer 10

terminal, sub-terminal

Question 11

C. tetani produces ___ colonies on BAP

Answer 11

swarming

Question 12

tetanospasmin mechanism

Answer 12

blocks release of inhibitory neurotransmitters

Question 13

C. tetani is an obligate ___, and gram ___

Answer 13

anaerobe, pos

Question 14

C. botulinum is associated with

Answer 14

improperly canning foods

Question 15

Three categories of clinical botulism

Answer 15

Food-borne
wound
infant

Question 16

Botulism mechanism

Answer 16

attaches to neuromuscular junction preventing release of acetylcholine

Question 17

C. botulinum is lipase __

Answer 17

pos

Question 18

C. botulinum produces ___ endospores

Answer 18

sub-terminal

Question 19

C. perfringens is known for causing (3)

Answer 19

food poisoning associated w/ meat
soft tissue infections
gas gangrene

Question 20

C. perfringens produces many necrotizing and hemolytic infections due to the enzymes… (4)

Answer 20

DNAse
hyaluronidaes
colleganase
enterotoxin

Question 21

C. perfringens causes ___ ___ hemolysis on SBA

Answer 21

double zone

Question 22

Reverse CAMP tests is performed with S. agalactiae with _____

Answer 22

C. perfringens

Question 23

Lipase positive appears as ___ ___ on egg yolk agar

Answer 23

iridescent sheen

Question 24

____ causes precipitate to form
around colonies on egg yolk
agar

Answer 24

Lecithinase

Question 25

Nagler’s test detects ____ of ___ ___

Answer 25

lecithinase, alpha toxin

Question 26

Antibiotic associated gastrointestinal disease ranging from self-limited diarrhea to severe life-threatening pseudomembranous colitis

Answer 26

Clostridioides difficile

Question 27

C. diff produces toxin ___ and ___

Answer 27

toxins A and B

Question 28

Toxin A induces

Answer 28

cytokine release
hypersecretion of fluid
hemorrhagic necrosis

Question 29

Toxin B causes

Answer 29

tissue damage

Question 30

pseudomembranous colitis is associated with 3 antibiotics

Answer 30

ampicillin
cephalosporin
clindamycin

Question 31

actinomycosis

Answer 31

sulfur granules in puss

Question 32

Fusobacterium nucleatum causes ___ ___

Answer 32

Vincent’s angina (Trench mouth)

Question 33

Fusobacterium necrophorum causes ___ ___

Answer 33

Peritonsillar abscesses, Lemierre’s syndrome

Question 34

Prevotella melaninogenica requires ___ and ___ for growtn

Answer 34

hemin and vit K

Question 35

Prevotella melaninogenica requires ___ and ___ for growth

Answer 35

hemin and vit K

Question 36

Gram neg rods anaerobic (4)

Answer 36

Bacteroides
Fusobacterium
Porphyrmonas
Prevotella

Question 37

Gram neg coccus

Answer 37

Veillonela

Question 38

Gram pos cocci

Answer 38

Peptostreptococcus

Question 39

Gram pos rod anaerobic (5)

Answer 39

Clostridium
Bifidobacterium
Lactobacillus
Eubacterium
Propionibacterum