Obligate Intracellular and Nonculturable Bacterial

Question 1

Infections are often associated with infertility and ECTOPIC PREGNANCY, and frequently these infections are asymptomatic.

Answer 1

Chlamydia trachomatis

Question 2

Contact with infected secretions on towels or fingers or by flies.

Answer 2

Trachoma

Question 3

Mild irritation and ITCHING of the EYES and EYELIDS. There may also be some discharge from the infected eye. The infection progresses slowly with increasing eye pain, blurred vision, and photophobia.

Answer 3

Trachoma

Question 4

This lesion is often small and may be unrecognized, especially by female patients.

Answer 4

Lymphogranuloma Venereum

Question 5

Bubo

Answer 5

groin swelling

Question 6

Also known as reactive arthritis, is believed to be caused by C. trachomatis.

Answer 6

Reiter syndrome

Question 7

Common in birds and domestic animals, infections in humans are relatively uncommon.

Answer 7

Chlamydia psittaci

Question 8

An endemic pathogen of all bird species.

Answer 8

Chlamydia psittaci

Question 9

Drug of choice for psittacosis.

Answer 9

Tetracycline

Question 10

A Chlamydia __ that was first isolated from the conjunctiva of a child in Taiwan in 1965.

Answer 10

Chlamydia pneumoniae

Question 11

It was considered the gold standard for detecting C. trachomatis infection.

[cell culture]

Answer 11

Chlamydial cell culture (McCoy cells)

Question 12

The preferred method for the diagnosis of C. trachomatis infection.

Answer 12

NAATs

Question 13

Have not been grown in cell-free media but have been grown in the yolk sacs of embryonated eggs and several cell lines.

Answer 13

Rickettsia

Question 14

[2] Typhus group species

Answer 14

R. prowazekii
R. typhi

Question 15

It is the most severe of the rickettsial infections, and is caused by R. rickettsii.

Answer 15

Rocky Mountain spotted fever.

Question 16

It is a zoonosis, and humans typically acquire the infection by tick bites.

Answer 16

Rocky Mountain spotted fever

Question 17

Also known as Mediterranean spotted fever, is caused by R. conorii and occurs in France, Spain, and Italy.

Answer 17

Boutonneuse fever

Question 18

The rash involves the palms of the hands and soles of the feet, just as in RMSF. The rash of it also INVOLVES FACE.

Answer 18

Boutonneuse fever

Question 19

Causes Fleaborne typhus.

[rickettsiae]

Answer 19

R. typhi

Question 20

Causes Louseborne or epidemic typhus.

[rickettsiae]

Answer 20

R. prowazekii

Question 21

A recrudescent disease caused by reactivation of R. prowazekii years after epidemic typhus.

Answer 21

Brill-Zinsser disease

Question 22

It is caused by R. akari, whose reservoir is the common HOUSE MOUSE and the vector, the mouse mite Liponyssoides sanguineus.

Answer 22

Rickettsialpox

Question 23

A disease that occurs in India, Pakistan, Myanmar, eastern Russia, Asia, and Australia.

Answer 23

Scrub typhus

Question 24

Formerly known as Ehrlichia phagocytophilum, causes the disease human granulocytic anaplasmosis (HGA).

Answer 24

Anaplasma phagocytophilum

Question 25

The primary method used for the identification of rickettsial disease and ehrlichiosis.

Answer 25

Serodiagnosis