micro systems Flashcards
1
Q
normal skin flora
A
S. epidermidis
2
Q
normal nasal flora
A
S. epidermidis
colonized by S. aureus
3
Q
normal Oropharynx flora
A
viridans
4
Q
dental plaques
A
S. mutans
5
Q
normal flora of colon
A
B. fragilis > E. coli
6
Q
normal flora of vagina
A
Lactobacillus, colonized by E. coli and group B strep
7
Q
food poisoning bugs
A
B. cereus C. botulinum C. perfringens EHEC Salmonella S. aurues Vibrio
8
Q
B. cereus
A
reheated rice
9
Q
C. perfringens
A
reheated meat
10
Q
salmonella
A
poultry, meat, eggs
11
Q
S. aureus
A
meats, mayonnaise, custard
toxin
12
Q
vibrio
A
seafood
13
Q
bloody diarrhea
A
Campylobacter E. histolytica EHEC EIEC Salmonella Shigella Yersinia enterolitica
14
Q
campylobacter
A
comma shaped
growth at 42 -> cold salads, deli meat
15
Q
E. histolytica
A
protozoan
amebic dysentery
liver abscess
16
Q
EHEC
A
HUS
shiga like toxin
17
Q
Slamonella
A
lactose neg
flagellar motility
18
Q
shigella
A
lactose neg
very low ID50
produces shiga toxin
bacillary dysentery
19
Q
Yersinia enterolytica
A
day care outbreaks
pseudoappendicitis
20
Q
watery diarrhea
A
C. difficile C. perfringens ETEC protozoa V. cholerae viruses (roto, noro, adeno)
21
Q
pneumonia
A
group B strep
E. coli
22
Q
pneumonia 4wk-18yr
A
Runts May Cough Chunky Sputum RSV mycoplasma C. trachomatis (infants-3) C. pnemoniae (school age) S. pneumoniae
23
Q
pneumonia 18-40
A
mycoplasma
C. pneumoniae
S. penumoniae
24
Q
pneumonia 40-65
A
S. pneumonia H. influenza Anaerobes viruses mycoplasma
25
pneumonia 65+
```
S. pneumoniae
Influenza virus
anaerobes
H. influenza
gram neg rods
```
26
pneumonia in alcoholics/IV drug users
S. pneumonia
Klebsiella
S. aureus
27
Aspiration neumonia
```
anaerobes
Peptostreptococcus
fusobacterium
prevoella
bacteroides
```
28
atypical pneumonias
Mycoplasma
legionella
chlamydia
29
CF pneumonia
pesudomonas
S. aureus
S. pneumoniae
30
immunocompromised pneumonia
```
S. aureus
enteric gram neg rods
fungi
viruses
P. jirovecii
```
31
nosocomial pneumonia
S. aureus
psudomonas
enteric gram neg rods
32
post viral pneumonia
S. aureus
H. influenxa
S. pneumonia
33
meningitis 0-6mo
group B strep
E. coli
listeria
34
meningitis 6mo-6yr
S. pneumonia
N. meningitidis
H. influenza type B
Enteroviruses
35
meningitis 6-60yr
S. pneumoniae
N. meningitis (#1 in teens)
Enteroviruses
HSV
36
meningitis 60+
S. penumoniae
gram neg rods
listeria
37
Tx meningitis
ceftriaxone and vanco empirically add ampicillin if listeria suspected
38
what are the MCC of brain abscess
Virdans and S. aureus
39
osteomyelitis assumed causative agent
S. aureus
40
ostomyelitis if sexually active
N. gonorrhoeae, rare
41
osteomyelitis if sickle cell
salmonella and S. aureus
42
osteomyelitis if prosthetic joint
S. aureus and S. epidermidis
43
osteomyelitis if vertebrae involved
S. aureus, TB
44
osteomyelitis if cat/dog bite
pasteurella multocida
45
osteomyelitis if IV drug user
pseudomonas
candidia
S. aureus
46
top 3 causes of UTI
E. coli
S. saprophyticus
klebsiella
47
other causes of UTI
serratia (red pigment)
enterococus (often nosocomial and drug resistant)
proteus (motility -> swarming on agar, produces urease -> struvite stones)
psudomonas (blue/green, fruity odor)
48
bacterial vaginosis
```
gardenella
no inflammation
fishy odor
clue cells
pH >4.5
Tx with metronidazole
```
49
trichomoniasis vaginosis
```
inflammation-> strawberry cervix
frothy, foul smelling discharge
motile trichomonads
pH >4.5
Tx metronidazole and Tx sex partners
```
50
TORCHES
```
T-toxoplasma gondii
O- other
R-rubella
C-CMV
H-HIV/HSV2
Syphilis
```
51
toxoplasma gondii
cat feces or undercooked meat
mom asymptomatic
baby triad: chorioretinits, hydrocephalus, intracranial calcifications
+/- blueberry muffin rash
52
other
Group B strep, listeria, E. coli -> meningitis
| Parvovirus B19 -> hydrops fetalis
53
Rubella
spread via respiratory droplets
mom: rash, lymphadeopathy, arthritis
baby triad: PDA, cataracts, deafness
+/- blueberry muffin rash
54
CMV
sexual contact, organ transplants
mom asymptomatic or mono
baby hearing loss, seizures, blueberry muffin rash, periventricular calcifications
55
HIV
sex contact, needlestick
mom- depends on CD4 count
baby: recurrent infections, chronic diarrhea
56
HSV2
skin or mucous membrane contact
mom usually asymptomatic, or lesions
baby encephalitis, herpetic lesions
57
syphilis
sexual contact
mom- normal syphili
baby- stillbirth, hydrops fetalis, notched teeth, saddle node, short maxilla, saber shins, CNVIII deafness
58
asplenic pt
encapsulated microbes especially SHiN:
| S. pneumonia >> H. influenza > N. meningitidis
59
Brr rods in oral infection and sulfur granules
Actinomyces
60
Chronic granulomatous disease
Cat + microbes especially S. aureus
61
dog/cat bite
Pasturella multocida
62
facial nerve palsy
burrelia burgdorferi
63
funga infection in HIV
mucor or rhixophus
64
health care providor
HBV
65
neutropenic pt
candida
| aspergillus
66
organ transplant recipient
CMV
67
PAS +
T. whipplei (whipple disease)
68
pediatric infection
H. influenza
69
Pneumonia in cystic fibrosis or burn victims
psudomonas
70
pus, empyema, abscess
S. aureus
71
rash on hands and feet
Coxsackie A
treponema palldium
rickettsia rickettsii
72
sepsis/menigitis new born
group B strep
73
surgical wound
S. aurues
74
traumatic open wound
C. perfringesn
