The enzyme-linked virus-inducible system (ELVIS) uses a cloned -galactosidase gene that is expressed only when cells are infected with what virus?
a. RSV
b. Human immunodeficiency virus (HIV)
c. HSV
d. Cytomegalovirus (CMA)
In the three-tier Laboratory Response Network, confirmed bioterrorism agents should be sent to which laboratory?
a. Clinical
b. Sentinel
c. Reference
d. National
The slow-growing organism Trichophyton rubrum produces a flat or heaped-up colony, generally white to reddish with a cottony or velvety surface. The cherry-red color is best observed on the reverse side of the colony. This organism is capable of infecting which of the following?
a. Hair and nails
b. Skin and nails
c. Hair and skin
d. Hair, skin, and nails
An agricultural worker is punctured by a tool used in the field. An infection, characterized by the development of a papule that is similar to a cauliflower appearance, develops. The worker is most likely suffering from which type of infection?
a. Mycetoma
b. Chromoblastomycosis
c. Tinea nigra
d. Black piedra
The Heterophyes heterophyes worm, which has a genital sucker that surrounds the genital pore, has a variety of reservoir hosts including dogs, cats, and birds and a second intermediate host of freshwater:
a. snails.
b. fish.
c. crabs.
d. shrimp.
Quick Reply
