Infectious Diseases 7-9% Flashcards
Horse and dog are potential reservoir for which disease
A) blasto
B) pithium
C) sarcocystis
D) staphylococcus aureus
Staph aureus
Cryptococcus hominis is likely from what source (reservoir)
A) birds
B) cattle
C) dogs
D) humans
Humans but has been isolated in birds as well
What is the best test for aspregillosis
Culture
Which test uses live organisms
A) lepto MAT
B) babesia PCR
C) pythium
D) sarcocystis
A) lepto MAT
How does retrovirus produce DNA from RNA?
Reverse transcriptase - RNA dependent polymerase
Neospora Caninum in dogs and cow share what important feature?
Transplacental transmission
Best way to dz cryptococcus
- Cytology / histology - gold standard
- Serology - latex agglutination of antigen (serum, csf, urine) a most widely used
- detects capsular ag
- detects all known serotypes
- 100 sn/sp almost
- can monitor progress
- should decrease 2x per month
Tx flukonazole
Cat tests positive for FIV, 4 weeks ago it had kittens, 3 kittens are positive. What do you do
A) isolate and wait 6m to retest
B) ifa in bone marriw
C) wester blot for fiv proteins
D) PCR on whole blood
A - dont test kittens less than 6m because maternal antibodies can cause faulse positive results
Foul smelling pleural effusion, NON acid fast bacteria
Actinomyces
Best test for Aerostrongylus
Baermann
Life cycle stages for Toxoplasma (which form can cross transplacentally)
Tachyzoite
Life cycle stages for Cytauxzoon (which form causes endothelial obstruction)
Schizont
Best test for diagnosis of toxoplasma in clinically ill cat (no description on CS)
IgM CSF titre
Dog infected with Borrelia most commonly shows what clinical signs ?
No clinical signs
- But if so – fever, lethargy, joint dz +/- LN
Mechanism how ascites occurs for FIP patients
Immune mediated vasculitis
