Rickettsia- Microbiology

Q fever is caused by:

• Rickettsia typhi

• Coxiella burnettii

• Salmonella

• Escherichia coli

Positive tunica reaction is produced by all except:

• R. prowazekii

• R. typhi

• R. conorii

• R.akari

Mite is a vector for:

• R. typhi

• R.prowazeki

• R. rickettsii

• R. tsutsugamushi

Which is not transmitted by louse:

• Endemic typhus

• Epidemic typhus

• Trench fever

• Relapsing fever

Rash all over the body except palms and soles is seen in

• Epidemic typhus

• Q fever

• RMSF

• Rickettsial pox

Brill-Zinsser disease is caused by

• Rickettsiae typhi

• Rickettsiae tsutsugamushi

• Rickettsiae prowazekii

• Rickettsiae rickettsii

Q fever is a _-------- borne disease

• Food

• Water

• Air

• Vector

All are true about rocky mountain spotted fever except

• Most severe rickettsial disease

• Caused by Rickettsia rickettsia

• Antibodies to OX 2 and OX19

• Centrifugal rash

Pathological agent responsible for Mediterranean fever

• R.akari

• R.conori

• R,typhi

• R.prowazeki

A man with very high fever shows strongly positive agglutination test with OXK antigen. The most likely diagnosis is:

• Tsutsugamushi fever

• Trench fever

• Undulant fever

• Relapsing fever