Rickesttsial

Question 1

What is the pathogenesis of rickettsial diseases?

Answer 1

Enter blood–> replicated in endo cells–> vasculitis

Question 2

T/F Bleeding internally and externally, lameness, central and peripheral vestibular signs are common with rickettsial dzs

Answer 2

TRUE

Question 3

What specific characteristic are you looking for on serology and you only see it if you are lucky

Answer 3

morula

Question 4

Which rickettsial organism presents with regenerative and non regenerative anemia

Answer 4

Ehrlichiosis

Question 5

What are 4 characteristic signs of Rickettsial dz’s?

Answer 5

Lymphocytosis, hypoalbuminemia, hyperglobulinemia, proteinuria

Question 6

These 2 organisms infect mononuclear cells

Answer 6

E. Canis & E. Chaffeenis

Question 7

These 2 organisms infect neutrophils

Answer 7

A. equi & E. ewingii

Question 8

Chronic rickettsial dz is seen with which bacteria organism?

Answer 8

E. canis

Question 9

What is the main difference between Borrellia and rickettsial dzs?

Answer 9

Borrellia is not present in the blood

Rickettsial’s cause vasculitis and CNS signs

Question 10

Ixodes is a vector for which bacteria?

Answer 10

A. phagocytophilum

Question 11

Rhipicephalus is a vector for which bacteria?

Answer 11

E. Canis and E. Chaffeenis

Question 12

Which organism infects platelets?

Answer 12

A. platys

Question 13

This dz is found in WA, OR and CA…the fish contains the fluke that contains the rickettsia

Answer 13

Salmon Poisoning

Question 14

What bacteria causes salmon poisoning?

Answer 14

Neorickettsia helmintheca

Question 15

An increase in lymph nodes and spleen is characteristic of what bacteria?

Answer 15

Neorickettsia helmintheca