MIDTERM 08 - Obligate Intracellular Arthropod-Borne Bacteria

Question 1

Rickettsia sp. and Orientia sp. are part of the family __________

Answer 1

Rickettsiaceae

Question 2

Ehrlichia sp. and Anaplasma sp. are part of the family __________

Answer 2

Anaplasmataceae

Question 3

Coxiella burnetti is part of the family __________

Answer 3

Coxiellaceae

Question 4

2 gram negative coccobacilli part of the family Rickettsiaceae; they are grouped based on their clinical features, epidemiologic aspects, and immunologic characteristics (RO)

Answer 4

Rickettsia, Orientia

Question 5

2 culture media for Rickettsia and Orientia (YC)

Answer 5

Yolk sac of embryonated eggs, Cell cultures

Question 6

Causes epidemic typhus and Brill-Zinsser disease (Rickettsia species; typhus group)

Answer 6

Rickettsia prowazekii

Question 7

Causes Murine typhus, endemic typhus, and flea-borne typhus (Rickettsia species; typhus group)

Answer 7

Rickettsia typhi

Question 8

Causes scrub typhus (Orientia spcies; scrub typhus group)

Answer 8

Orientia tsutsugamushi

Question 9

Causes Rocky mountain spotted fever (Rickettsia species; spotted fever group)

Answer 9

Rickettsia rickettsii

Question 10

Causes Fievre boutonneuse, Mediterranean spotted fever, Israeli spotted fever, South African tick fever, African (Kenya) tick typhus, and Indian tick typhus (Rickettsia species; spotted fever group)

Answer 10

Rickettsia conorii

Question 11

Causes Siberian tick typhus (North Asian tick typhus) (Rickettsia species; spotted fever group)

Answer 11

Rickettsia sibirica

Question 12

Causes Rickettsial pox (Rickettsia species; transitional group)

Answer 12

Rickettsia akari

Question 13

Causes Queensland tick typhus (Rickettsia species; transitional group)

Answer 13

Rickettsia australis

Question 14

2 gram-negative bacteria part of the family Anaplasmaceae; causes Ehrlichiosis

Answer 14

Ehrlichia, Anaplasma

Question 15

Characterized by fever, chills, headache, myalgia, nausea or vomiting, anorexia, and weight loss (Clinical findings of Ehrlichia and Anaplasma)

Answer 15

Ehrlichiosis

Question 16

Causes human monocyte ehrlichiosis (Ehrlichia species)

Answer 16

Erlichia chaffeensis

Question 17

Causes human granulocyte anaplasmosis (Anaplasma species)

Answer 17

Anaplasma phagocytophilum

Question 18

Causes Ewingii ehrlichiosis (Ehrlichia species)

Answer 18

Ehrlichia ewingii

Question 19

Has a gram-negative cell wall but cannot be stained; part of the family Coxiellaceae

Answer 19

Coxiella burnetti

Question 20

Associated with goats, sheep, dairy cattle, or parturient cats; in acute stages, it resembles influenza, nonbacterial pneumonia, and hepatitis; in chronic stages it causes infective carditis (Clinical findings of Coxiella burnetti)

Answer 20

Q Fever