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73 Cards in this Set

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shelf-UA (urine analysis) shows RBC casts.

dx?
pyelonephritis
young child has recurrent lung infxns and granulomatous lesions.

dx?
NADPH oxidase deficiency

(neutrophils don't have it, so can't convert O2==>superoxide)
step- Urease +.

what bug?
H pylori
shelf-raw chicken.

bug?
salmonella
Step-ate at street vendor
entamoeba histolytica

==>bloody D (dysentery)
Step-severe D in AIDS
cryptosporidium
Step-
vaginitis: foul-smelling
greenish d/c
trichomonas

Tx: metronidazole
step-dog tapeworm
Echinococcus granulosus

==>cysts in liver
==>anaphylaxis
Ancylostoma duodenale
=hookworm
-larvae can penetrate skin of feet
==>intestinal infxn==>anemia
Step-dsRNA that causes D
Rotavirus
double-zone hemolysis
C perf
rice-water stools
V. cholerae
TCBS=yellow
V cholerae
respirators
Pseudomonas
Mueller-Hinton plate = green
Pseudomonas
Shiga-like toxin
=AB toxin

*Shigella
*EHUS


inhibits 60S ribosome
==>decr aff for EF1
==>inhibit protein syn
G- diplococci
Neisseria (gonorrhea or meningitides)
+ Thayer Martin
Neisseria
urease +
H pylori
proteus
MCC Diarrhea
C jejuni
unpasteurized milk
C jejuni
MOA of cholera
ADP-ribos of G(s)
MOA of B pertussi
ADP-ribos of G(i)
what bact ADP-ribosylates G(s)
cholera
what bact causes lymphocytosis
B pertussis
watery diarrhea is produced by what"
viruses (viruses cause watery, not blood, diarrhea)--Path Case (GI module)
"rose spots" rash on abdomen + Diarrhea
Salmonella
Shigella
Shiga toxin causes hemorrhagic colitis & HUS (Hemolytic Uremia Syndrome) by damaging endothelial cells in the microvasculature of the colon & glomeruli, respectively
* Reiter syndrome (post-infxn chronic arthritis)

(Path Case (GI module))
diarrhea that involves Peyers patches in term ileum
Salmonella
what causes cholera?
shellfish
diarrhea + proliferation of phagocytes
Salmonella
diarrhea w/decr in villus: crypt ratio
Campylobacter jejuni
which bacteria causing diarrhea can lead to Reiter's syndrome?
Campylobacter jejuni
Shigella
which bacteria causing diarrhea can lead to HUS?>
Shigella
which bacteria causing diarrhea can lead to Guillan Barre syndrome?
Campylobacter jejuni
Thayer-Martin media
N gonorrhea
Bordet-Gengou agar
B pertussis
micro shelf-Tellurite plate
C diphtheriae
micro shelf-Loffler's media
C diphtheriae
micro shelf-blood agar
C diptheriae
Congo red stain
amyloid
Giemsa stain
Chlamydia
PAS stain
glycogen,
Dx Whipples ("WHIP-PAS"= whip ass!)
ziehl-neelsen stain
acid-fast bacteria
india ink stain
cryptococcus neoformans
silver stain
PCP
fungi
Legionella
tumbling motility
Listeria monocytogenes
MCC pneumonia
Strep pneumo
MCC meningitis
Strep pneumo
MCC otitis media
Strep pneumo
MCC sinusitis
Strep pneumo
Clostridia exotoxins
Clostridia exotoxins:

C. botulinum: preformed, heat-labile toxin that kills ACh==>flaccid paralysis

C. Tetani: exotoxin==>tetanus

C. difficile: exotoxin kills enterocytes (GI)
==>D
==>pseudomembranous colitis

C. perf: alpha toxin
what produces IgA protease
H flu
contaminated milk
Yersinia enterocolitica
Yersinia enterocolitica
*day-care centers

*pet feces (puppies)
*contaminated milk
*pork
HIGH YIELD: bloody diarrhea
-Campylobacter jejuni (Comma-shaped)
-Salmonella (motile)
-Shigella (Shiga-like toxin: cause HUS)
-E coli (O157:H7: invades colonic mucosa)
-Yersinia enterocolitica (day-care outbreaks)
day-care outbreaks
Yersinia enterocolitica
HIGH YIELD: watery diarrhea
-E coli (traveler's diarrhea, no preformed toxin)
-V cholera
-C perf
-protozoa (Giardia, Cryptosporidium)
-viruses (Rotavirus, adneovirus, Norwalk virus)
traveler's diarrhea
E coli
rice-water stools
cholera
MOA of pertussis
permanently disables G(i)

(cholera turns the "on" on;
pertussis turns the "off" off)
MOA of Pseudomonas
produces endotoxin (fever, shock) and exotoxin A (inactivates EF2)
micro shelf-"bulls-eye" red rash
Lyme dz
-bird or bat droppings
-Mississippi and Ohio rier valleys
Histoplasmosis
thru in immuno-compromised pts
candida albicans
Micro shelf--allergic bronchopulmonary, lung cavity "fungus ball"
aspergillus fumigatus
Micro shelf--
"rose gardeners" dz (introduced into skin by a thorn)
sporothrix schenckii
amebiasis:
bloody D (dysentery),
liver abscess
RUQ pain
entamoeba histolytica;

2 life forms:
trophozites;
cysts in stool
worm craawling in conjunctiva
loa loa
Micro shelf-Wucheria bancrofti
female mosquito;
blocks lymphatic vessels==>elephantiasis
Micro shelf-bug causing aplastic crises in sickle cell dz
parvovirus B19
PML
reactivation of JC virus in immuno-compromised pts (esp AIDS)=slow virus infxn
strawberry cervix
trichomonas