click below
click below
Normal Size Small Size show me how
Unit VII
Question | Answer |
---|---|
What characteristic visual observation does Capnocytophaga demonstrate causing a haze on the surface of the agar? | "gliding motility" |
Brain heart infusion media supplemented with yeast extract and 20% horse serum is used for what organism? | Streptobacillus moniliforms |
What growth requirement do Capnocytophaga ochracea and Streptobacillus moniliforms have in common? | both require increased CO2 |
A patient presents with "rat- bite" fever. A BHI cysteine broth is inoculated and incubated in increased CO2. "Fluff balls" or "bread crumbs" are seen near the bottom of the tube. Identify the organism. | Streptobacillus moniliforms |
What disease is acquired from ingestion of contaminated milk, food, and water? What organism causes this? | Haver hill disease; Streptobacillus moniliforms |
Identify the organism in which the gram stain shows fusiform shape bacilli with tapered ends, does not grow on MAC, and is a glucose fermenter | Capnocytophaga |
Capnocytophage is the part of the normal oral flora, but can be a causative agent of what disease? What else is it associated with? | periodontal disease; also associated with sepsis in leukemic/ granulecytopenia/ neutropenic patient |