Pathology Microbiology Board

Front 1

Helicobacter Pylori

Back 1

Gram Negative Curved Rod
Tuft Flagella at one end
Urease Positive
Similar to Campylobacter

Front 2

Staph Aureus

Back 2

Gram Positive Cocci
Catalase Positive
Coagulase Positive
Low pH
Skin flora
Primary cause of FOOD POISONING
Unrefrigerated foods
Heat Stabile

Front 3

Bacillus Cereus

Back 3

Gram Positive Rod
Spore forming
Associated w/ RICE
Heat stabile
Low pH

Front 4

Clostridium Botulinum

Back 4

Gram Positive Rod
Spore Forming
Prevents release of ACh
Causes flacid paralysis

Associated w/ Home Canning & Honey (infants)

Front 5

Clostridium Tetani

Back 5

Gram Positive Motile Rod
Terminal Spores
"Tennis Rackets"
Inhibits GABA and Glycine
Causing Contractile paralysis

Front 6

Describe the Characteristics of Rotavirus?

Back 6

Ds RNA Virus Segmented
Double Shelled Icosahedral Capsid

-Transmitted Fecal Orally

-Associated w/ diarrheal outbreak in daycares

Front 7

Describe the pathogenesis of Rotavirus

Back 7

Destroys intestinal Villi and Enterocytes. (Doesnt harm the Crypt cells).
-Viral capsid protein acts like enterotoxin and promotes secretion of electrolytes into the lumen. Results in SECRETORY Diarrhea

Front 8

You have 4 year old female with acute onset of watery diarrhea. Mother states lots of other children in the Daycare have the same symptoms. Stool Cultures are Negative for Bacteria and Ova and Parasites. Diagnosis?

Back 8

Rotavirus

Front 9

Describe Characterisitcs of Norwalk Virus (Nora Virus)

Back 9

SS RNA
Naked Icosahedral Capsid

-Can survive Freezing Temperatures and even Steaming.
-Cruise Ships

Front 10

Newly Wed couple presents with Severe watery diarrhea and vomiting. Said they had just gotten back from their honeymoon on a cruise in the Bahammas. Diagnosis

Back 10

Noravirus