spirochetes

Question 1

spirochetes

Answer 1

gram -
- corkscrew helical shape
- flagella = axial filaments

Question 2

treponema pallidum

Answer 2

spirochete
– lacks LPS
–syphilis

Question 3

primary syphilis

Answer 3

lesion (ulcer) on the genitalia- chancre

Question 4

secondary syphilis

Answer 4

maculopapular rash is teeming with spirochetes

Question 5

tertiary syphilis

Answer 5

gumma of skin, Neurological lesions

Question 6

borrelia under a microscope

Answer 6

large, stained with aniline dye, microaerophilic

Question 7

relapsing fever epidemic reservoir and vector

Answer 7

reservoir: humans
vector: body louse

Question 8

relapsing fever endemic reservoir and vector

Answer 8

reservoir: rodents
vector: soft-shelled tick

Question 9

lyme disease reservoir and vector

Answer 9

reservoir: rodents, deer, domestic pets
vector: hard-shelled tick

Question 10

borrelia burgdorferi transmission

Answer 10

bite of a small tick (Ixodes) and the tick has to be there for at least 24 hrs for transmission to take place
LYME
- no person to person

Question 11

the first stage of lyme

Answer 11

bull’s eye rash (circular lesion with a clear center)

Question 12

second stage of lyme

Answer 12

weeks to months after the onset
- arthritis, arthralgia, cardiac complications

Question 13

third stage of lyme

Answer 13

months to years after onset
- chronic arthritis and (rare) progressive CNS diseases

Question 14

leptospira epidemiology

Answer 14

systemic flu-like illness associated with water contaminated by animal urine
reservoir: rodents
humans are an accidental end-stage host