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Clinical Microbiology 1 > ID > Flashcards

ID Flashcards

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1
Q

Result of TSI if ONLY glucose fermented

A

K/A (pink/yellow)

Initially A/A, but once glucose depleted, oxidative deamination of proteins causes pH to be alkaline on slant

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2
Q

BAP: NH, med gr/tan
ML: growth

glucose POS, maltose POS

A

N. meningitidis

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3
Q

Purpose of LKV (Laked blood kanamycin vancomycin)

A

Enhances Bacteroides

Inhibits GPC (vanco) and facul. anaerobes (kanamycin)

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4
Q

Beta hemolytic, spreading, yellow, matte, motile

A

Bacillus cereus

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5
Q

E. coli QC TSI result

A

A/A gas

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6
Q

Concentrations of sugars in TSI

A

Glucose - 0.1%

Lactose and sucrose - 1%

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7
Q

Taxo A = POS

CAMP = NEG

A

PYR POS = Group A strep

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8
Q

Moraxella catarrhalis rapid ID and results

A

NH sm gr/buff “hockey puck”

Oxidase: POS

BUTYRATE: POS

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9
Q

Result of NFB organism inoculated to TSI

A

K/NC

Will only oxidatively deaminate peptones

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10
Q

“Medusa, egg white, non-motile”

A

Bacillus anthracis

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11
Q

Taxo A = NEG

CAMP = NEG

A

Latex ACG

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12
Q

Result of TSI if lactose and/or sucrose also fermented

A

A/A (yellow/yellow)

Due to large amount of acid produced from fermentation of sugars of higher concentration

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13
Q

Proteus QC TSI result

A

K/A H2S+ gas+

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14
Q

CAMP = POS

A

Group B strep

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15
Q

Oxidase result of all significant gndc

A

POS

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16
Q

3 genera of H2S+ organisms

A

Salmonella, Proteus, Citrobacter

17
Q

BEA = POS

6.5% salt = POS

A

Enterococci

Do PYR = POS if salt NG

18
Q

Purpose of Brucella w/ neomycin

A

Inhibits Gram NEG facultative anaerobes`

19
Q

Pseudomonas aeruginosa QC TSI result

A

K/NC

Pseudomonas is an NFB

20
Q

Butterscotch odour

A

Streptococcus anginosus group

21
Q

Organism JEMBEC transport is used for

A

N. gonorrhoeae

22
Q

Catalase result for lactobacilli

A

NEG

23
Q

Hippurate POS, tumbling motility

A

Listeria monocytogenes

Clinical Microbiology 1 (12 decks)

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