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USMLE board exam studying > Microbiology basics > Flashcards

Microbiology basics Flashcards

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USMLE® Step 1 flashcards
1
Q

name the gram positive cocci

A

staph, strep

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2
Q

name the gram positive rods

A 
CCBLMG:
clostridium
corynebacterium
bacillus
listeria
mycobacteria
gardnerella
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3
Q

name the 13 enterics (subset of gram negative rods)

A 
E. coli
shigella
salmonella
yersinia
klebsiella
proteus
enterobacter
serratia
vibrio
campylobacter
helicobacter
pseudomonas
bacteroides
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4
Q

name the 3 respiratory gram negative rods

A

haemophilus
legionella
bordetella

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5
Q

name the 4 zoonotic gram negative rods

A

francisella
brucella
pasteurella
bartonella

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6
Q

name the 2 filamentous gram positives

A

actinomyces

nocardia

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7
Q

name the 2 pleomorphic gram negatives

A

rickettsia

chlamydia

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8
Q

name the 3 gram positive spirochetes

A

treponema
borrelia
leptospira

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9
Q

name the microbe with no cell wall

A

mycoplasma

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10
Q

name the 6 microbes that don’t gram stain well

A 
These Microbes May Lack Real Color
treponema
mycoplasma
mycobacteria
legionella
rickettsia
chlamydia
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11
Q

name 5 microbes that require Giemsa stain

A 
Certain Bugs Really Try my Patience
chlamydia
borrelia
rickettsia
trypanosomes
plasmodium
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12
Q

what does PAS stain and what is it used for?

A

glycogen, Whipple disease

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13
Q

when do we use Ziehl-Neelson stain?

A

acid fast organisms (nocardia, mycobacterium)

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14
Q

when do we use india ink?

A

cryptococcus neoformans

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15
Q

when do we use silver stain?

A

fungi
legionella
helicobacter

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16
Q

H. influenza needs:

A

chocolate agar with factors V (NAD+) and X (hematin)

17
Q

N. gonorrhea and meningitidis need:

A

Thayer-Martin (VPN)
Vancomycin
Polymyxin
Nystatin

18
Q

B. pertussis needs:

A

Bordet-Gengou potato agar

19
Q

C. diphtheria needs:

A

tellurite agar, Loffler medium

20
Q

M. tuberculosis needs:

A

Lowenstein-Jensen agar

21
Q

M. pneumonia needs:

A

Eaton agar

22
Q

lactose fermenting enterics need:

A

pink colonies on MacConkey agar

23
Q

legionella needs:

A

charcoal yeast extract agar

24
Q

fungi need:

A

sabouraud agar

25
Q

name the 4 obligate aerobes

A

Nagging Pests Must-Breathe
nocardia
pseudomonas
mycobacterium

26
Q

name the 3 obligate anaerobes

A

clostridium
bacteroides
actinomyces

27
Q

name the two obligate intracellular microbes

A

rickettsia

chlamydia

28
Q

name 8 facultative intracellular microbes

A 
Some Nasty Bugs May Live FacultativeLY
salmonella
neisseria
brucella
mycobacterium
listeria
francisella
legionella
yersinia pestis
29
Q

microbes with capsules

A

SHiNE SKiS

Strep pneumonia
Haemophilus influenza
Neissera meningitidis 
E. coli
Salmonella
Klebsiella
Strep (group B)
30
Q

catalase positive microbes

A

you need PLACESS for your cats

pseudomonas
listeria
aspergillus
candida
E. coli
S. aureus
Serratia
31
Q

urease positive microbes

A 
CHuck norris hates PUNKSS
cryptococcus
H. pylori
Proteus
Ureaplasma
Nocardia
Klebsiella
S. epidermidis
S. saprophyticus

USMLE board exam studying (2 decks)

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