Bacteria

Question 1

what do gram positive bacteria produce?

Answer 1

exotoxin

Question 2

what do gram negative bacteria produce?

Answer 2

endotoxin

Question 3

colour of gram neg and pos?

Answer 3

neg is pink

pos is purple

Question 4

what is C diff?

Answer 4

anaerobic gram positive bacilli

Question 5

how does c diff cause symptoms?

Answer 5

increases amount and produces endotoxin

Question 6

Rx for c diff?

Answer 6

antibiotic
elderly
PPI
Immunosuppressed

Question 7

what is streptoccoci?

Answer 7

aerobic gram positive cocci

Question 8

what types of strep are there?

Answer 8

alpha
beta (complete)
non

Question 9

types of alpha strep? where are they found?

Answer 9

pneumoniae
viridans
URT

Question 10

types of beta strep? where are they found?

Answer 10

group A
group B
skin/throat

Question 11

types of non strep? where are they found?

Answer 11

enterococcus

gut

Question 12

what is staphlycocci?

Answer 12

aerobic gram positive cocci

Question 13

what is coag + and what is coag - staph?

Answer 13

+ staph aureus

- staph epi

Question 14

what is bacillus cerus?

Answer 14

aerobic gram positive bacilli

Question 15

what is campylobacter?

Answer 15

microaerophillic gram negative bacilli

Question 16

what are strict aerobic gram negative bacilli?

associations?

Answer 16

legionella - stagnant water

pseudomonas - UTI with instruments

Question 17

where are microaerophillic gram negative bacilli found?

Answer 17

bowel commensals

Question 18

where are anaerobic gram negative bacteria found?

Answer 18

bowel commensals

Question 19

what are aerobic gram negative cocci?

Answer 19

meningitis

gonorrhoea

Question 20

what is haemophilus influenza?

Answer 20

aerobic gram negative small bacilli

Question 21

what does haemophilus inflenza often cause?

Answer 21

exacerbation of COPD

HAP

Question 22

what are coliforms?

Answer 22

aerobic gram negative large bacilli

Question 23

what are the pathogen coliforms?

Answer 23

salmonella
shigella
E. Coli O157

Question 24

why do you not treat E coli initially?

Answer 24

Risk of HUS

Question 25

how to diagnose HUS?

Answer 25

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

Question 26

what are the commensal coliforms?

Answer 26

E Coli
enterobacter
klebsiella
proteus

Question 27

bloody diarrhoea causes?

Answer 27

E Coli O157
shigella
campylobacter

Question 28

green diarrhoea?

Ix for this bug?

Answer 28

C diff

toxin test

Question 29

if staph in urine, what should be screened for?

Answer 29

malignancy

Question 30

features of bacillus cerus?

Answer 30

rice
6-12hrs after
fast recovery

Question 31

where does campylobacter come form?

Answer 31

chicken/turkey

Question 32

CURB 65?

Answer 32

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

1-2 mod, 3-5 severe

Question 33

post influenza pneumonia?

Answer 33

strep pneumoniae

Question 34

endocarditis bugs?

Answer 34

strep viridans
staph aureus
staph epidermis