The natural habitat of Mycoplasma spp., which causes infectious disease in humans, can best be described as the:
a. mucous membranes of humans.
b. aquatic environment.
c. natural environment.
d. genitourinary tract of animals.
Rodents, marsupials, and nonhuman primates are all reservoirs for which Schistosoma species?
a. S. japonicum
b. S. haematobium
c. S. mansoni
d. Schistosoma intercalatum
A direct immunofluorescent antibody (DFA) test was performed on a sputum sample that yielded a positive test. The organism grew on BCYE medium and was a thin gram-negative, faintly staining bacillus. What is the drug of choice for this organism?
a. Fluoroquinolones
b. Erythromycin
c. Penicillin
d. Aminoglycosides
Proper storage of cerebrospinal fluid (CSF) sent to the laboratory for bacterial culture includes:
a. refrigeration for up to 23 hours.
b. freezing at 70C.
c. incubation at 35C.
d. freezing at temperatures above 70C.
A urine sample from a 26-year-old woman is examined, and an organism is observed that displays jerky motility. This organism is classified as a(n):
a. amebae.
b. coccidia.
c. flagellate.
d. ciliate.
Quick Reply
