Obligate Intracellular Microbes

Question 1

treatment for trachoma caused by C. trachomatis

Answer 1

macrolides or doxycycline

Question 2

treatment for adult/infant conjunctivitis and infant pneumonia caused by C. trachomatis

Answer 2

Erythromycin 10-14 days

Question 3

specific cough sound that infant makes w/ infant pneumonia

Answer 3

staccato cough

Question 4

eye infection, STI, arthritis

Answer 4

C. trachomatis

Question 5

patient from NC w/ flu-like sx’s, sore throat, low grade fever and macular rash that starts on lower extremities and works its way up

Answer 5

R. rickettsii

Question 6

reservoir for rocky mountain spotted fever

Answer 6

Hard Tick

Question 7

what animal does hard tick transmit R. ricketsii to

Answer 7

rodent

Question 8

to diagnose infections caused by intracellular pathogens

Answer 8

NAAT and serology

Question 9

to treat intracellular pathogens

Answer 9

doxcycline

Question 10

select agent, humans are reservoirs, and it causes epidemic typhus

Answer 10

R. prowazekii

Question 11

reservoir is rodents, vector is flea; causes endemic typhus

Answer 11

R. typhi

Question 12

fevers, night sweats
causes Q fever
occupation: farmer
murmur

Answer 12

Coxiella burnetii

Question 13

has small infectious variant and large replicating form

Answer 13

Coxiella

Question 14

airborne exposure and animal placenta has high numbers

Answer 14

Coxiella

Question 15

this microbe is a shape shifter (antigenic phase variation w/ phase I being highly infectious)

Answer 15

Coxiella

Question 16

to treat acute coxiella

Answer 16

Doxycycline

Question 17

to treat chronic coxiella

Answer 17

doxy + rifampin + fluoroquinolone

Question 18

reservoir: white tailed deer
vector: lone star tick
causes monocytic ehrlichiosis

Answer 18

E. chaffeensis

Question 19

reservoir: small mammals
vector: deer tick
causes human anaplasmosis

Answer 19

Anaplasma phagocytophilum

Question 20

reservoir: rodents
vector: mites
causes scrub typhus

Answer 20

Orienta tsutsugamushi

Question 21

causes cat scratch disease; LAD

Answer 21

Bartonella henselae