Unusual pathogens

Question 1

1. Borrelia burgdorferi, SS

Answer 1

Lyme, Ixodes (joint, lesion, cardiac, CNS)

Question 2

2. Borrelia recurrentis, SSSSS

Answer 2

relapsing fever, change sIg

Question 3

3. Leptospira interrogans, SSSSS

Answer 3

vet, cow, slaughter, sewer, Leptospirosis (red eyes, dogs), semisolid media 4-6 wk (wright stain hook on ends)

Question 4

1. Bacillus anthracis

Answer 4

cutaneous/black eschar, inject/necrotizing, gastro/raw, edema/lethal factor, large GPR/waxy glass colony/no hemo/nonmotile

Question 4

2. Bacillus cereus

Answer 4

Emetic/diarrheal, eye trauma (yellow/green)

Question 5

3. Erysipelothrix rhusiopathiae

Answer 5

Erysipeloid, pig, bird, fish, nonmotile/H2S

Question 6

4. Corynebacterium jeikeium

Answer 6

prosthetic/NF

Question 7

5. Corynebacterium ulcerans

Answer 7

exudative pharyngitis, skin ulcer, diphtheria like illness

Question 8

6. C. urealyticum

Answer 8

UTI, rapid urease, GP dots barely see on plate

Question 9

7. Rothia mucilaginosa

Answer 9

GPC/R, blood after mouth

Question 10

8. Chromobacterium violaceum

Answer 10

violent pigment, ox+, water, skin GN

Question 11

A. Rickettsia rickettsii

Answer 11

rock mountain spotted fever, endothelial cell damage not face, IFA no culture highly infectious

Question 12

B. Rickettsia prowazekii

Answer 12

epidemic typhus, lice, face rash, Brill-Zinsser disease/Recrudescent typhus

Question 13

C. Rickettsia typhi

Answer 13

endemic/murine typhus, flea

Question 14

D. Orientia tsutsugamushi

Answer 14

scrub typhus, black inoculation spot

Question 15

Ehrlichia chaffeensis, o

Answer 15

monocyte ehrlichiosis, morulae, lone star tick, petechia, CNS/respiratory, central states

Question 16

Anaplasma phagocytophilum, o

Answer 16

granulocyte anaplasmosis, black leg tick, north states

Question 17

Coxiella burnetii

Answer 17

Q fever, milk/birth, culturable w/out cell (facultative intracellular), acid environment activate

Question 18

Bartonella henselae

Answer 18

CSD, warthin-starry histo stain, papule/lymphadenophathy

Question 19

Bartonella quintana

Answer 19

Trench fever, lice, blood vessel proliferation (bacillary angiomatosis)

Question 20

Bartonella bacilliformis

Answer 20

Carrion’s disease/Oroya fever, sandfly, peruvian warts, anemia

Question 21

Streptobacillus moniliformis

Answer 21

Rat bite fever, Haverhill fever (ingest rat poo), bead chains, joint/rash on hand feet

Question 22

Spirillum minus

Answer 22

coiled spiral filamentous, rash all over