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Although for different reasons and purposes, which of the following organizations has/have
a grouping of microorganisms as “Category A”

a CDC
b IATA
c USDOT
d All of the above
Which of the following is sometimes known as an “acute phase” marker for infection

a IgM
b IgG
c Total immunoglobulins
d IgE
Of the following human roundworms where the adults live in the intestines, which one is& directly infectious with no delay
a Enterobius vermicularis & (the pinworm) & & & &
b Ascaris lumbricoides
c Necator americanus
d Trichuris trichicura
Name two mechanisms by which bacteria may be resistant to the effect(s) of antibiotics.
Based on their basic life-cycles, which of the following differs from the other three

a Trichomonas vaginalis
b Cryptosporidum species
c Plasmodium vivax
d Toxoplasma gondii
The Gram stain reaction of a bacterial cell is determined by

a whether or not it is a pathogen
b its physiology and metabolism
c the media on which it is grown
d how long the counterstain is applied
In “serosurveys” to determine who in a population has been infected with any given agent, the
antibody tested for is

a IgM
b IgG
c IgA
d IgE
Of the following human roundworms where the adults live in the intestines, which one is
directly infectious with no delay

a Enterobius vermicularis (the pinworm)
b Ascaris lumbricoides
c Necator americanus
d Trichuris trichicura
If the label of a disinfectant says to use a dilution of 1 standard US measuring cup per
gallon of water, using 2 cups/gallon will be twice as effective

[ ] TRUE [ ] FALSE
The term “10% household bleach” for a disinfectant usually refers to what concentration of
sodium hypochorite
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