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AB 4th Year Science/Anatomy > Bacteria > Flashcards

Bacteria Flashcards

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Biology 101 flashcards
1
Q

what do gram positive bacteria produce?

A

exotoxin

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2
Q

what do gram negative bacteria produce?

A

endotoxin

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3
Q

colour of gram neg and pos?

A

neg is pink

pos is purple

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4
Q

what is C diff?

A

anaerobic gram positive bacilli

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5
Q

how does c diff cause symptoms?

A

increases amount and produces endotoxin

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6
Q

Rx for c diff?

A

antibiotic
elderly
PPI
Immunosuppressed

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7
Q

what is streptoccoci?

A

aerobic gram positive cocci

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8
Q

what types of strep are there?

A

alpha
beta (complete)
non

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9
Q

types of alpha strep? where are they found?

A

pneumoniae
viridans
URT

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10
Q

types of beta strep? where are they found?

A

group A
group B
skin/throat

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11
Q

types of non strep? where are they found?

A

enterococcus

gut

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12
Q

what is staphlycocci?

A

aerobic gram positive cocci

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13
Q

what is coag + and what is coag - staph?

A

+ staph aureus

- staph epi

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14
Q

what is bacillus cerus?

A

aerobic gram positive bacilli

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15
Q

what is campylobacter?

A

microaerophillic gram negative bacilli

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16
Q

what are strict aerobic gram negative bacilli?

associations?

A

legionella - stagnant water

pseudomonas - UTI with instruments

17
Q

where are microaerophillic gram negative bacilli found?

A

bowel commensals

18
Q

where are anaerobic gram negative bacteria found?

A

bowel commensals

19
Q

what are aerobic gram negative cocci?

A

meningitis

gonorrhoea

20
Q

what is haemophilus influenza?

A

aerobic gram negative small bacilli

21
Q

what does haemophilus inflenza often cause?

A

exacerbation of COPD

HAP

22
Q

what are coliforms?

A

aerobic gram negative large bacilli

23
Q

what are the pathogen coliforms?

A

salmonella
shigella
E. Coli O157

24
Q

why do you not treat E coli initially?

A

Risk of HUS

25
Q

how to diagnose HUS?

A 
FBC (thrombocytopenia)
blood film (schistocytes - fragmented RBC)
raised creatinine (AKI)
26
Q

what are the commensal coliforms?

A

E Coli
enterobacter
klebsiella
proteus

27
Q

bloody diarrhoea causes?

A

E Coli O157
shigella
campylobacter

28
Q

green diarrhoea?

Ix for this bug?

A

C diff

toxin test

29
Q

if staph in urine, what should be screened for?

A

malignancy

30
Q

features of bacillus cerus?

A

rice
6-12hrs after
fast recovery

31
Q

where does campylobacter come form?

A

chicken/turkey

32
Q

CURB 65?

A 
new onset confusion
urea > 7mmol
RR >30
BP <90 systolic
> 65yo

1-2 mod, 3-5 severe

33
Q

post influenza pneumonia?

A

strep pneumoniae

34
Q

endocarditis bugs?

A

strep viridans
staph aureus
staph epidermis

AB 4th Year Science/Anatomy (6 decks)

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