Final Exam Flashcards by Amanda AB

Infectious bovine keratoconjunctivitis in cattle is caused by?

Moraxella bovis
Flies are vectors and this
condition is common in
summer. Production will go
down.

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Infectious ovine keratoconjunctivitis is caused by (2)?

Mycoplasma conjunctivae

Chlamydia pecorum

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Otitis in calves is caused by (2)?

Mycoplasma bovis

Histophilus somni

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Ear infections dogs

Otitis Externa is caused by (6)?

Staphylococcus
Streptococcus
Pseudomonas aeruginosa
Escherichia coli
Proteus mirabilis
Malassezia pachydermatis

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Conjunctivitis in cats is caused by (2)?

Chlamydia felis (Feline pneumonitis)
Mycoplasma felis (mycoplasma conjunctivitis)

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Mycotic keratitis in horses is caused by?

Aspergillus sp.

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Equine recurrent uveitis (Periodic ophthalmia, Moon blindness) is caused by?

Leptospira infection
(Immune complex disease)

Iris and uvea are affected

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Guttural pouch mycosis in horses caused by (2)?

Aspergillus sp (#1 cause!!)
Streptococcus equi subsp equi

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Nasal polyp/tumor

like growth in animals and humans is caused by?

Rhinosporidium seeberi

common in southern united states

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What are 3 common systemic fungal infections with

primary lung involvement?

Blastomyces dermatitidis
Histoplasma capsulatum
Coccidioides immitis

All cause -> Pyogranulomatous lesions!!!

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Systemic disease, The second most common fungal infection in cats. Disseminated disease in cats. Gastrointestinal involvement is common in dogs:

Histoplasmosis

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What are clinical signs of Histoplasmosis in a dog?

Protein-losing enteropathy,Peripheral

lymphadenopathy, Polyarthropathy, osteomyelitis

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What is endemically distributed in Mississippi, Missouri and Ohio river valley?
Cutaneous, respiratory, ocular, and bone forms are seen

Blastomycosis

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Infects nasal cavity, CNS, ocular, and GI of cats, dogs, psittacine birds, koalas.
Cutaneous lesions in cats is a marker for disseminated disease:

Cryptococcosis

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Causes Valley Fever, lung involvement with dissemination to bones.
Endemic in certain parts Arizona, California, Nevada, New Mexico:

Coccidiodomycosis

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An Emerging Agent of Invasive aspergillosis in humans, cats, and dogs:

Aspergillus felis sp.

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What fungal serology is used for general screening of invasive fungal disease?

BETA-D GLUCAN ASSAY

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What fugal serology is used to detect Cryptococcus neoformans?

Latex agglutination test
(Qualitative and semi-quantitative test system for the detection
of capsular polysaccharide antigens of Cryptococcus
neoformans in Serum or CSF)

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What organism causes Infectious tracheobronchitis (kennel cough)?

Bordetella bronchiseptica

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Necrotic laryngitis in cattle is caused by?

What are the disease characteristics?

Fusobacterium necrophorum
Acute to chronic infection in 3-18
month old feedlot cattle, severe
dyspnea, Ptyalism, bilateral purulent
nasal discharge. If untreated calves die in 2-7 days

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What other organism can also cause

laryngitis in cattle?

Histophilus somni

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Bovine Shipping Fever – Serofibrinous bronchopneumonia and pleuritis is caused by?

Mannheimia haemolytica

Produce a ruminant specific leukotoxin!!!

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Enzootic pneumonia in calves is caused primarily by these 3 organisms:

Pasteurella multocida
Mannheimia haemolytica
Mycoplasma bovis

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Contagious Bovine Pleuropneumonia is a reportable disease caused by?

Mycoplasma mycoides.subsp mycoides

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Contagious caprine pleuropneumonia is caused by?

Mycoplasma capricolum susbsp. capripneumoniae

Hemorrhagic septicemia in cattle is caused by?

Pasteurella multocida | serotypes B1 and E2

What organism causes pneumonia in cattle | and can also cause arthritis?

Mycoplasma bovis

Glasser’s disease in pigs is caused by what bacteria and affects which organ?

Haemophilus parasuis; Lungs

Atrophic Rhinitis in swine is caused by (2)? | What are some disease characteristics?

Pasteurella multocida and Bordetella bronchiseptica Turbinate lesions: Shortening of upper jaw (brachygnathia), Deviation of septum

Porcine pleuropneumonia | (Hemorrhagic and necrotizing pleuropneumonia) is caused by?

Actinobacillus pleuropneumoniae

Horses: Foal pneumonia is caused by? | What 2 drugs can you use to treat?

Rhodococcus equi | Rifampin and macrolides

Glanders is a zoonotic, contagious disease characterized by development of ulcerating growths found in upper respiratory tract, lungs, and skin caused by?

Burkholderia mallei

Pseudoglanders (aka Melioidosis) is caused by?

Burkholderia pseudomallei

Antibiotic induced diarrheas in horses and rabbits (lincomycin/clindamycin) is caused by (2)?

Clostridium perfringens and Clostridium difficile

Button shaped ulcers due to bacterial toxin induced vasculitis and thrombosis of vessels and focal infarcts is caused by?

Salmonella (various serovars)

Johne’s Diasease in ruminants is caused by?

Mycobacterium avium subsp. paratuberculosis

Potomac horse fever in horses | (Equine monocytic ehrlichiosis) is caused by?

Neorickettsia risticii (infects epithelial cells, macrophages, monocytes. Vectors: Snails and flies) Seasonal occurrence (May to September) Causes Necrotizing enterocolitis

Salmon poisoning in dogs; Fatal granulomatous enterocolitis in dogs and foxes

Neorickettsia helminthoeca | Necrosis of the Lymphoreticular system and hemorrhagic diarrhea

What pathology would you see with Fusobacterium necrophorum in cattle?

Liver abscesses

What pathology would you see with Tuberculosis in cattle?

Granulomas

The condition Bacillary hemoglobinuria is caused by what organism?

Clostridium hemolyticum

Infectious necrotic hepatitis in cattle (aka) Black disease is caused by?

``` Clostridium novyi (type B) Associated with liver fluke migration ```

What animals are generally affected by Tyzzer’s disease? What organism is responsible?

Foals and lab animals (liver damage will be seen). | Clostridium piliforme

Leptospirosis | flip card for facts she said in class

Causes liver abscess and granulomas in addition to renal lesions

``` Yersinia pseudotuberculosis (flip card for facts she said in class) ```

Causes liver abscess and granulomas

``` Francisella tularensis (flip card for facts she said in class) ```

Main lesions seen in the liver, highly infectious!

Salmonellosis | flip card for facts she said in class

it loves to settle in the gallbladder. you want to culture gallbladder

Brucella | flip card for facts she said in class

Causes liver abscess and granulomas

Campylobacter | flip card for facts she said in class

pathopneumonic in aborted sheep fetuses: donut shaped lesions

Listeriosis | flip card for facts she said in class

one important lesion in very young calves: Necrotizing hepatitis in calves

Organisms that can cause UTIs are:

E.coli, Proteus, Klebsiella, Pseudomonas, Enterobacter, Staphylococcus, Streptococcus, Enterococcus Candida albicans

What bacteria causes Lymphoplasmacytic tubulointerstitial nephritis (Serum chemistry will indicate renal failure)?

Leptospirosis Other bacteria will usually only cause Pyelonephritis, not renal failure

Three organisms that cause systemic bacterial infection-> Bacteremia-> Suppurative Glomerulitis (Embolic Nephritis):

Actinobacillus equuli in foals Erysipelothrix rhusiopathiae in pigs Corynebacterium psuedotuberculosis in sheep and goats

Mycobacterium sp. infection; what pathologies will you see?

Granulomatous nephritis,

Pyelonephritis in adult cows is caused by?

Corynebacterium renale group (C. renale, C. pilosum, C.cystitidis)

White spotted kidney in calves is caused by?

E.coli

Pulpy kidney disease in sheep is caused by?

Clostridium perfringens type D in | enterotoxemia

Porcine pyelonephritis is caused by?

Actinobaculum suis

What drugs are used to treat Brucellosis and why is it so hard to treat it?

``` Tetracycline, Aminoglycosides, Fluoroquinolons B/c they infect macrophages, hide and travel throughout the body and can evade immune system and treatment really well ```

Thromboembolic meningoencephalitis – (TEME) | or Thrombotic meningoencephalitis (TME) aka Sleeper syndrome is caused by?

Histophilus somni | Die usually 12h after onset of symptoms

You go to a farm and see many 2 week old calves circling with unilateral signs of trigeminal and facial paralysis. You decide to cull one and necropsy. What would you see? What organism is responsible? How would you treat?

Focal hepatic necrosis, and hemorrhagic gastroenteritis are common. Listeria monocytogenes Penicillin or ceftiofur, erythromycin, and trimethoprim/sulfonamide

Sporadic bovine encephalomyelitis in Feedlot cattle is caused by?

Chlamydia pecorum

What causes symmetrical necrosis and haemorrhage of the white matter in the brain of sheep?

Clostridium perfringens type D | Condition is called Focal symmetrical encephalomalacia

Edema disease in Weaned pigs is caused by?

Shigatoxigenic E.coli (VTEC)

You get called to a pig farm and upon arrival see pigs with edema in the eyelid. You cull one and at necropsy you see edema in the submucosa of the stomach and mesocolon. The farmer tells you he changed the pigs' diet 2 weeks ago. What do you suspect?

Shigatoxigenic E.coli (VTEC)

What causes Caseous lymphadenits?

Corynebacterium pseudotuberculosis

Three common culprits of Lymphangitis?

Corynebacterium pseudotuberculosis Sporothrix schenkii Histoplama (Epizootic lymphangitis, Horse Farsi)

What kind of cells do Rickettsia colonize?

Vascular endothelium Typhoid Fever: R. prowazekii and R. typhi

Spotted Fever is caused by?

Rickettsia rickettsii

What cells do E. chaffeensis infect?

Monocytes | Human monocytic ehrlichiosis

What cells do E. ewingii infect?

Granulocytes | Canine granulocytic ehrlichiosis

What cells do E. canis infect?

Monocytes | Canine monocytic ehrlichiosis

What cells do E. ruminantium infect?

Endothelium granulocytes

What cells do A. phagocytophilium infect?

Granulocytes

What cells do A. marginale, A centrale infect?

erythrocytes in ruminants

What cells do A. platys infect?

platelets in dogs

This anaerobic organism produces a potent neurotoxin (tetanospasmin) that causes Spastic paralysis:

Clostridium tetani

This organism inhibits neurotransmitter release (acetylcholine) and causes flacid paralysis:

Clostridium botulinum

What organism causes Black leg (trauma) in Cattle and Sheep pigs?

C. chauvoei

What organism causes Malignant edema (through wounds), Braxy (abomasitis), Necrotic dermatitis (chicken) in Cattle sheep pigs, Chicken?

C. septicum

What organism causes Gas gangrene, Black disease (necrotic hepatitis)?

C. novyi (A, B , C)

What organism causes Bacillary hemoglobinuria (liver | affected) in Cattle and sheep?

C. hemolyticum

What organism causes Gas gangrene only in cattle and sheep?

C. Sordellii

What organism causes Ulcerative enteritis(Quail disease) in Quail and other birds?

C. colinum

What are the 4 Dimorphic fungi?

Blastomyces dermatitidis Histoplasma capsulatum Coccidioides immitis Sporothrix schenckii

What are the 4 yeasts we studied?

Candida Malassezia Cryptococcus Trichosporon

What are the 4 Fungus like Organisms we studied?

Pythium Lagenidium Prototheca Pneumocystis

Final Exam Flashcards

(87 cards)