Anaerobes

Question 1

Collectively termed as clostridia

Answer 1

Clostridium

Question 2

Clostridium has 3 kinds of spores

Answer 2

Terminal, subterminal,central

Question 3

Spores large and central to subterminal,oval and LARGE BOXCAR SHAPES
DOUBLE ZONE B-hemolysis

Answer 3

Clostridium perfringens

Question 4

Other term for gas gangrene

Answer 4

Myonecrosis

Question 5

What toxin of C.perfringens that causes necrosis

Answer 5

a-toxin

Question 6

Fluid-filled blisters

Answer 6

Bullae

Question 7

Type of food poisoning that is relatively mild

Answer 7

Type A

Question 8

Type of food poisoning that is more serious but rarely seen

Answer 8

Type C

Question 9

What type of enterotoxin linked to sporulation up to 8-30 hrs incubation period

Answer 9

Type A

Question 10

What type of enterotoxin associated with strains that produce B-toxin and less commonly

Answer 10

Type C

Question 11

Other term for C.perfringens type C food poisoning

Answer 11

Enteritis necroticans

Question 12

Incubation period of C.perfringens type C food poisoning

Answer 12

5-6 hrs

Question 13

subterminal and resemble a TENNIS RACKET

Answer 13

Clostridium botulinum

Question 14

ingestion of preformed botulinum toxin

Answer 14

Botulism

Question 15

Only type A,B,E are associated with human disease,PRESERVED OR CANNED FOODS

Answer 15

Clostridium botulinum

Question 16

it is called Botulinum toxin type A

Answer 16

Botox

Question 17

Botox is used to treat?

Answer 17

Strabismus (wandering eye)

Question 18

Honey contaminated with C.botulinum

Answer 18

Infant botulism

Question 19

Has the characteristics of DRUMSTICK or TENNIS RACKET

Answer 19

Clostridium tetani

Question 20

it has narrow zone B-hemolysis:may swarm over agar surface

Answer 20

Clostridium tetani

Question 21

neurotoxin produced by C.tetani

Answer 21

tetanospasmin

Question 22

Vaccine for C.tetani

Answer 22

Diptheria tetanus-acellular pertussis (DTaP) vaccine

Question 23

Barnyard or horse-stable odor

Answer 23

Clostridium difficile

Question 24

has a yellow,ground galss colony

Answer 24

C.difficile

Question 25

what fluorescence does C.difficile use

Answer 25

chartreuse (yellow green) fluorescence

Question 26

C.difficile produce 2 toxins

Answer 26

toxin A:enterotoxin toxin B:cytotoxin

Question 27

test for toxin production of C.difficile

Answer 27

EIA

Question 28

an agar used to determine the activities of lecithinase,lipase,proteolytic enzymes

Answer 28

egg yolk agar plate

Question 29

lecithinase cleaves lecithin found in egg yolk produces an ______ zone around the colony

Answer 29

opaque

Question 30

Lipase-positive organism produce a colony with a appearance of a ?

Answer 30

gasoline on water or "mother of pearl"

Question 31

a disease characterized by the development of sinus and FISTULAE

Answer 31

Actinomycosis

Question 32

the strains of this disease resembles a MOLAR TEETH

Answer 32

Actinomyces israelii

Question 33

sinus tracts anf fistulae,which erupt to the surface and drain pus that may contain so called?

Answer 33

sulfur granules

Question 34

they help protect the host from urogenital infection

Answer 34

Lactobacillus

Question 35

the lactic acid product of their metabolism helps maintain the low pH of the normal adult female genital tract

Answer 35

Lactobacillus

Question 36

can cause disease when they infect plastic shunts

Answer 36

Propionibacterium

Question 37

genesis of ACNE

Answer 37

propionibacterium

Question 38

cells may be pointed,club-shaped,spatulated or bifurcated (FORKED)

Answer 38

Bifidobacterium spp

Question 39

cells may appear as a STAR like aggregate,V arrangements,PALISADE CLUSTER

Answer 39

Bifidobacterium spp

Question 40

bile-tolerant species grow in the presence of 20% BILE

Answer 40

Bacteroides fragilis

Question 41

A bacteroides that its colonies appear to PIT the agar

Answer 41

Bacteroides ureolyticus

Question 42

Most of its species produce butyric acid *can cause OSTEOMYELITIS

Answer 42

Fusobacteria

Question 43

its morphology referred to as FUSIFORM

Answer 43

F.nucleatum

Question 44

a fusobacteria who is pleomorphic and exhibit globular forms,BIZARRE SHAPES

Answer 44

F.mortiferum

Question 45

some prevotella produce ___________that can cause dark pigment colony

Answer 45

protoporphyrin

Question 46

identification of pigmented prevotella group

Answer 46

brick red fluorescence

Question 47

this bacteria will produce brick red fluorescence under UV LIGHT

Answer 47

porphyromonas

Question 48

the species can be cultured grom gingival and periapical tooth

Answer 48

porphyromonas spp

Question 49

part of the normal flora if the mouth,nasopharynx,probably intestine

Answer 49

veillonella

Question 50

support the growth of prevotella spp

Answer 50

KVLB agar

Question 51

this bacteria has a small,convex translucent colonies on BAP

Answer 51

veillonella

Question 52

the gram stain morphology of _______ may resemble staphylococcus spp

Answer 52

Finegoldia

Question 53

the only anaerobic spore forming bacilli that has benn isolated from human clinical materials

Answer 53

Clostridium