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Microbiology Quiz

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1. True or false. Mesophiles like to grow at body temperature.




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2. What are the two groups Gram Stain divides bacteria?




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3. To cause infections, six things must happen. Virulence (ability to grow) Invasiveness (ability to enter) Pathogenicity (ability to cause disease) name final 3.




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4. There are 5 categories of Microorganisms according to Steris University. What are they?




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5. West Nile virus is carried by mosquitoes from bird to people but it is also transmitted from organ donor to ____________________.




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6. What are the components of a typical cell?




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7. True or false. The bacteria nucleus has a nuclear membrane enclosing the DNA.




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8. What are the three main shapes of bacteria?




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9. What are the parts of a typical cell?




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10. Describe the Ziehl-Neilson stain




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11. Gram Positive bacteria retains the primary stain. Gram Negative bacteria looses it's color during the de-colorization. It takes on the counter stain.




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12. Semi-permeable and allows gasses and liquids to pass in and out of cell. It's just under the cell wall.




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13. Reproduce, destroys the cell and move on to another cell.




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14. False. Bacteria is sensitive to antibiotics




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15. False. Just like plant seeds, there are many kinds of microorganisms, each with a different effect




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16. Chain of infection




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17. Ultraviolet light can disinfect air and purify the environment.




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18. Gram stain and the Ziehl-Neilson stain




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19. Droplets or dust remaining in the air.




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20. It's bacteria that keeps the stain (purple) color, when a decolorizing agent is applied.





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