Obligate Intracellular Bacteria & Ureplasma Quiz Flashcards
(15 cards)
Primary atypical pneumonia (walking pneumonia) is caused by:
a. Streptococcus pneumoniae
b. Mycoplasma pneumoniae
c. Klebsiella pneumoniae
d. Mycobacterium tuberculosis
b. Mycoplasma pneumoniae
Which organism typically produces ‘fried egg’ colonies on agar within 1 to 5 days of culture from a genital specimen?
a. Mycoplasma hominis
b. Borrelia burgdorferi
c. Leptospira interrogans
d. Treponema pallidum
a. Mycoplasma hominis
A lab MLS is working on Mycoplasma/Ureaplasma cultures. The enriched broth with urea turns pink on day 4 of incubation. The probable identification of this organism is:
a. Mycoplasma hominis
b. Mycoplasma pneumoniae
c. Ureaplasma urealyticum
d. Mycoplasma fermentans
c. Ureaplasma urealyticum
A 35 year old zoo worker develops fever, chills, headache, and a non-productive cough. While interviewing the patient, the doctor finds out that the patient has been working in the zoo aviary. What infectious agent should the physician consider?
a. Mycoplasma hominis
b. Chlamydophila psittaci
c. Chlamydia trachomatis
d. Borrelia burgdorferi
b. Chlamydophila psittaci
Characteristics of obligate Intracellular organisms include:
a. incapable of replication outside a living host cell
b. Can’t be cultured on artificial media
c. Can be grown in cell cultures
d. All of the above
d. All of the above
Which of the following organisms are transmitted to animals and humans after a tick bite?
a. Leptospira spp
b. Chlamydia trachomatis
c. Neisseria sicca
d. Ehrlichia and Anaplasma spp
d. Ehrlichia and Anaplasma spp
Which test must be used for confirmation of Chlamydia trachomatis infection in a suspected child abuse case?
a. Enzyme immunoassay antigen testing
b. PCR molecular testing
c. McCoy Cell culture
d. DFA testing
c. McCoy Cell culture
Rocky Mountain spotted fever is transmitted by the bite of a tick infected with:
a. Rickettsia akari
b. Rickettsia conorii
c. Rickettsia prawazekii
d. Rickettsia rickettsii
d. Rickettsia rickettsii
Human infection with the causative agent of Q fever is acquired by:
a. Inhalation of infectious material
b. The bite of a chigger
c. The bite of a body louse
d. The bite of a tick
a. Inhalation of infectious material
Which of the following is NOT true of Coxiella burnetii?
a. It is an obligate intracellular parasite
b. It is transmitted from animals to humans by inhalation
c. A rash appears on the extremities and then on the trunk
d. It is the etiological agent of Q fever
A rash appears on the extremities and then on the trunk
Corneal scrapings are collected and examined microscopically using a direct fluorescent antigen test to detect inclusion bodies for the diagnosis of infection caused by:
a. Chlamydia trachomatis
b. Ehrlichia chaffeensis
c. Mycoplasma hominis
d. Rickettsia prowazekii
a. Chlamydia trachomatis
The causative agent of endemic or murine typhus is:
a. Rickettsia akari
b. Rickettsia conorii
c. Rickettsia prowazekii
d. Rickettsia typhi
d. Rickettsia typhi
The infectious form of Chlamydia trachomatis is called:
a. Reticulate body
b. Howell jolly body
c. Elementary body
d. Inclusion body
c. Elementary body
A swab for a Mycoplasma/Ureaplasma culture was collected and placed in a sterile container. It arrived at the lab 48 hours after collection. How should the lab handle the specimen?
a. Test the specimen.
b. Reject. The organisms will dry out and be non-viable.
c. Place into transport media and test.
d. Gram stain the swab.
b. Reject. The organisms will dry out and be non-viable.
The most common bacterial sexually transmitted diseas in the U.S. is caused by what organism?
a. Mycoplasma hominis
b. Treponema pallidum
c. Rickettsia akari
d. Chlamydia trachomatis
d. Chlamydia trachomatis
