question
Which of the following is not enteric?
answer
Campylobacter
question
Spirillum is not classified as a spirochete because spirochetes ______.
answer
Posseess Axial Filaments
question
Staphylococcus and Streptococcus can be easily differentiated in a laboratory by ______.
answer
growth in high salt concentrations
question
Which of the following does NOT belong with the others??
- Staphylococcus
- Halococcus
- Sulfolobus
- Halobacterium
- Methanobacterium
- Staphylococcus
- Halococcus
- Sulfolobus
- Halobacterium
- Methanobacterium
answer
- Staphylococcus
question
Which of the following is a characteristic of Clostridium?
- gram negative aerobic cocci
- endospore-forming bacillus
- myobacteria
- anaerobic gram-negative rods
- gram negative aerobic cocci
- endospore-forming bacillus
- myobacteria
- anaerobic gram-negative rods
answer
endospore-forming bacillus
question
pathogenic bacteria are easily identified because of ______.
- produce endospores
- grow at 37 degrees C
- are motile
- are gram-negative
- produce endospores
- grow at 37 degrees C
- are motile
- are gram-negative
answer
NONE OF THESE
question
What bacteria are found primarily in the intestines of humans??
answer
Facultatively Anaerobic Gram-Negative Rods
question
Cyanobacteria are different from purple and green phototrophic bacteria because Cyanobacteria _______.
answer
produce oxygen during photosynthesis
question
Rickettsias differ from chlamydias in that rickettsias _____.
answer
require an arthropod for transmission
question
Which of the following is not gram-positive?
answer
Treponema
question
Members of the family Enterobacteriaceae _____.
answer
- include E coli, Enterobacter, Salmonella, and Shigella
- are facultative anaerobes
- primary reside in the intestinal tracts
- include many medically relevant bacteria
- are facultative anaerobes
- primary reside in the intestinal tracts
- include many medically relevant bacteria
question
Movement of spirochetes occurs by means of structures called ____.
answer
Endoflagella
question
Rhizobium ______.
answer
fix nitrogen nodules on the roots of legumes
question
Which of the following colonize in the vagina during child-bearing years?
answer
Lactobacilli
question
The purple sulfur and green sulfur bacteria _____>
answer
Both use hydrogen sulfide as a source of electrons
question
A particular characteristic of disease-causing Streptococcus is ______.
answer
Beta-Hemolysis
question
It has been estimated that 99% of the intestinal bacteria are ____.
answer
Obligate Anaerobes
question
Treponema and Borrelia ____.
answer
ARE Spirochetes
question
Which causes uncontrolled growth of plant tissue, resulting in a tumor?
answer
Agrobacterium
question
Pseudomonas _____.
answer
Are resistant to many disinfectants/antimicrobials AND are mostly harmless except for the opportunistic P. aeruginosa
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