Rickettsial Dz

Question 1

Treatment of all rickettsial dz

Answer 1

Doxycycline

In preg chloramphenicol

Question 2

Rickettsial disease with rash

Answer 2

Rmsf ricky mountain spotted fever

Typhus

Question 3

Palms and sole rashes are caused by?

Answer 3

Ricketsia rickettssi
Coxsackie A virus
Secondary syphillis

CARS

Question 4

Endemic typus

Answer 4

R typhi caused by flea bite

Question 5

Epidemic typhus

Rash on trunk spares palms and soles

Answer 5

R prowazekii

Caused by bite of human body louse

Question 6

disease with no arthropod vector
Causing culture negative endocarditis
Or flu pneumonia hepatitis

Answer 6

Q fever caused by coxiella brunetti
Has no arthropod vector
Spread by inhalation spores of cattle / sheep amniotic fluid aerosols
Or feces urine milk or birth products of animals

Question 7

Coxiella brunetii survival

Answer 7

Extremely resistant to heat drying and disinfectants because it can survive outside in endospore form

Question 8

Ehrlichia vector is tick
Biopsy
Specimen has?

Answer 8

Monocytes containing intracytoplasmic inclusion / morulae of mulberry shape

Question 9

Anaplasmosis
Vector is tick
Biopsy specimen microscopy

Answer 9

Granulocyte with morulae in cytoplasm