Exam 5 - Misc Organisms (Ch 27) Flashcards
List the 3 miscellaneous organisms discussed in the chapter
- Bartonella species
- Pasteurella species
- Capnocytophaga species
What is the appearance of:
Bartonella species
Gram negative coccobacilli
Bartonella species are a causative agent of what diseases?
- Cat Scratch Disease
- Carrion’s Disease
- Trench Fever
Categorized by enlarged lymph nodes 1-3 weeks after cat scratch or bite
Cat Scratch Disease
Transmitted by sand fly
Infection leads to cutaneous red-purple lesions
Carrion’s Disease
Transmitted by body louse
Causes joint and bone pain
Trench Fever
What is the appearance of:
Pasteurella species
Gram negative nonmotile coccobacilli
Where is the Pasteurella species considered normal flora?
- GI tract
- Nasopharynx in dogs, cats, wild animals
On what media would the Pasteurella species grow?
- SBA
- Chocolate agar
- Growth varies on MacConkey
What are the key reactions of:
Pasteurella species
Catalase (+)
Oxidase (+)
What is the major pathogen isolated from dog and cat bites?
Pasteurella species
Define fusiform.
Tapered at the ends
What is the appearance of:
Capnocytophaga species
- Gram negative fastidious bacilli
- Has a pointed (fusiform) appearance microscopically
On agar, ___ swarms in a similar manner as the Proteus species
Capnocytophaga species
Where is the Capnocytophaga species considered normal flora?
Human oral cavity
