Rickettsia

Question 1

Rickettsia
Obligate intracellular except

Answer 1

Coxiella burnetii

Question 2

Rickettsia
Requires living cells for growth except

Answer 2

Coxiella burnetii

Question 3

Coxiella burnetti is unique because

Answer 3

it can resist heat drying and chemical agent

Question 4

T/F. Coxiella burnetti is larger than rickettsia

Answer 4

false. smaller.

Question 5

Rickettsia Specimen (3)

Answer 5

○ biopsy of skin tissues
○ peripheral blood
○ CSF

Question 6

Rickettsia stain (2)

Answer 6

○ Giemsa
○ Macchiavello stain

Question 7

Rickettsia gold standard

Answer 7

Indirect florescent antibody test

Question 8

presumptive test for rickettsia diseases

Answer 8

Weil-Felix: OX2, OXk, OX19

Question 9

Spotted Fever Group (3)

Answer 9

R. rickettsia
R. conorii
R. akari

Question 10

R. rickettsia disease (2) and vector

Answer 10

● RMSF - Rocky Mountain spotted fever
● American spotted fever
● Vector: Ticks

Question 11

R. conorii disease (5) and vector

Answer 11

● Mediterranean Israel spotted fever
● Kenya tick typhus fever
● Indian tick typhus
● Boutonneuse fever
● Marseilles fever
● Vector: Ticks

Question 12

R. akari disease and vector

Answer 12

● rickettsial pox
● Vector: mites

Question 13

Typus Fever Group (2)

Answer 13

R. prowazeki
R. typhi

Question 14

R. prowazeki disease and vector

Answer 14

● Epidemic typhus/Brill Zinsser - relapse
● Vector: Lice

Question 15

R. typhi disease and vector

Answer 15

● Endemic/Murine typhus/Rat typhus
● Vector: Rat fleece

Question 16

Scrub Fever Group

Answer 16

Orientia tsutsugamushi

Question 17

Orientia tsutsugamushi disease (3) and vector

Answer 17

● Scrub typhus
● Chiggerborne typhus
● Japanese fever
● Vector: chigger - larvae of mites

Question 18

Q Fever (query) - affects lungs

Answer 18

Coxiella burnetii

Question 19

Coxiella burnetii vector and MOT

Answer 19

● Vector: ticks
● Inhalation