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21 Cards in this Set

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Patients deficient in which complement components are susceptible to gonococcemia?
C5, C6, C7, C8, C9 -> Membrane Attack Complex
What organisms can an infant acquire during passage through the birth canal that may later cause meningitis? (3)
Listeria
Group B beta-hemo Strep
E. coli
What are the presenting symptoms of disseminated gonococcal infection? (3)
Early: Tenosynovitis/Dermatitis

Late: Aseptic arthritis
Main symptom of de Quervain's tenosynovitis?
pain in anatomic snuffbox
Tendons affected by de Quervain's tenosynovitis? (2)
Abductor pollicis longus

Extensor pollicis brevis
Presenting symptoms of Still's disease?
Salmon colored rash
Symmetrical joint involvement
hepatosplenomegaly

FYI, this is an idiopathic disorder.
Which organism causes a bacteremia and endocarditis in patients with GI cancers?
Streptococcus bovis

(Group D Strep)
What is the timing of food poisoning?
Eat infected food -> 1-2 hours pass -> Staph and B. cereus intoxication

All others: >16 hours post-prandial
Does Giardia cause fecal leukocytes?
No! The only causes of inflammatory diarrhea are invasive bacteria.
fecal leukocytes -> inflammatory diarrhea
Does campylobacter cause fecal leukocytes?
Yes!
fecal leukocytes -> inflammatory diarrhea
Does Cryptosporidium cause fecal leukocytes?
No! The only causes of inflammatory diarrhea are invasive bacteria.
fecal leukocytes -> inflammatory diarrhea
Does rotavirus cause fecal leukocytes?
No! The only causes of inflammatory diarrhea are invasive bacteria.
fecal leukocytes -> inflammatory diarrhea
Does Shigella cause fecal leukocytes?
Yes!
fecal leukocytes -> inflammatory diarrhea
Does Salmonella cause fecal leukocytes?
Yes!
fecal leukocytes -> inflammatory diarrhea
What causes ciquatera poisoning?
Consumption of carniverous reef fish, such as grouper or barracuda. (usually in Hawaii or the Caribbean). This toxin is produced in algae, but is in its highest levels in carniverous fish due to biomagnification.
Red algae -> ?
What causes scromboid poisoning?
Consumption of finfish that have been caught several days earlier -> scromboid bacterial proliferation -> comsumption of toxin.
Spoiled fish -> histamine
What is Trichinella's favorite muscle to invade?
The extraocular muscles
How does Brucellosis affect:
-the heart
-the brain
heart -> endocarditis
brain -> meningitis
How do you get Brucellosis?
Exposure to animals.

Vignette often describes veterinary student, farmer, rancher, etc.
What autoimmune disease does PML imitate?
Multiple sclerosis. Both have multiple lesions of white matter. That's why it's called multifocal LEUKencephalopathy
What virus causes PML?
the JC virus