Rickettsia

Question 1

Two (2) genera of Rickettsia

Answer 1

1. Rickettsia
2. Orientia

Question 2

What are the signs and symptoms when rickettsial infection is acquired?

Answer 2

1. Fever
2. Rashes
3. Headache

Question 3

How is rickettsial infection detected?

Answer 3

Using serologic test specifically Weil Felix Test

Question 4

Why is Weil Felix Test non-specific for Rickettsia?

Answer 4

It is non-specific because it uses antigen from Proteus instead of antigen from rickettsia.

Question 5

Cause Rickettsial pox

Answer 5

R. akari

Question 6

Causes scrub typhus

Answer 6

Orientia tsutsugamushi

Question 7

Causes Epidemic typhus

Answer 7

R. prowazekii

Question 8

Vector of Epidemic typhus

Answer 8

Louse

Question 9

If there will be a relapse of Epidemic typhus, it will require a vector.

a. True
b. False

Answer 9

b. False

Relapse of epidemic typhus no longer requires a vector.

Question 10

What is Brill Zinsser disease?

Answer 10

The repeat infection of epidemic typhus caused by R. prowazekii.

Question 11

Brill Zinsser disease requires vector.

a. True
b. False

Answer 11

b. False

It is the relapse of epidemic typhus, so it no longer requires a vector.

Question 12

Causes Murine typhus

Answer 12

R. typhi

Question 13

Causes Rocky Mountain spotted fever

Answer 13

R. rickettsii