Exam 3 Diagnostics

Question 0

Mycoplasma

Answer 0

Culture
serology and titers
PCR
cytology (for haemotrophic)

Question 1

Avibacterium, Haemophilus, Histophilus, Mannheimia, Pasteurella

Answer 1

culture and strain typing
PCR
ELISA for toxin

Question 2

Campylobacter

Answer 2

ELISA
PCR
Culture

Question 3

Lawsonia

Answer 3

silver stain
fluorescent Ab
PCR

Question 4

Leptospira

Answer 4

Microagglutination Test (MAT) - 4 fold increase
PCR 
silver stain biopsy
urinalysis
slow-growing culture

Question 5

Borrelia

Answer 5

exposure to ticks
lameness with fever
positive Ab test
response to antibiotics
Idexx SNAP 4Dx test

Question 6

Brachyspira hyodysenteriae

Answer 6

mucoid to hemorrhagic diarrhea
silver staining of mucosal scrapings
PCR
necropsy

Question 7

Rickettsiales

Answer 7

CBC
history and clinical signs
exposure
serology
PCR
blood smears
response to therapy

Question 8

Coxiella

Answer 8

tissue culture in BSL-3 lab
serology to detect Ab
immunohistochemistry
PCR

Question 9

Bartonella vinsonii berkhoffii

Answer 9

serology for Ab

PCR

Question 10

Clamydophila

Answer 10

cytology or histopathology
Ab or Ag serology
PCR

Question 11

Dermatophytes - Microsporum canis and Trycophyton equinum

Answer 11

PE - UV light

culture and ID

Question 12

Malassezia, Candida, Cryptococcus

Answer 12

cytology primarily
biopsy
CSF for Ag

Question 13

Zygomycetes

Answer 13

biopsy and histopathology

Question 14

Pythium

Answer 14

biopsy, histopathology, culture

Question 15

Rhinosporidium

Answer 15

histopathology