16 :: Characteristics of a bacterial capsule include?
* A. All bacteria have one* B. It is composed of peptidoglycan
* C. It is an important mechanism for protecting a bacteria against ingestion by PMNs
* D. It is what causes the gram stain reaction
Correct Answer: C
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17 :: As a budding basic scientist you work in a research laboratory and discover a chemical that removes the cell wall from bacteria but leaves the organism undamaged otherwise. Things that the bacteria will lose because of this include?
* A. The ability to stain gram positive: all will look gram negative* B. The ability to move
* C. The ability to have a gram stain result
* D. The ability to attach to other cells
Correct Answer: C
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18 :: Under the electron microscope you keep at home next to your MP3 player you look at a single bacterium living in your mouth. You see a single polar flagellum stretching off from one end looking very much like a tail. A characteristic of this organism should be?
* A. An ability to stay in one place for a very long time* B. An ability to move in the direction opposite the flagellum
* C. An ability to avoid ingestion by PMNs
* D. An ability to induce a large antibody response
Correct Answer: B
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19 :: On the same day the clinical laboratory identifies two strains of the same bacterial species. One of these strains has pili on the surface; the other does not. In terms of the clinical status of the two patients it is likely that?
* A. Patient with the piliated strain is ill, the other patient is not* B. Patient with the piliated strain is not ill, the other patient is
* C. Both patients are ill since pili do not correlate with virulence
* D. Patient with the piliated strain is a child, the other patient is an adult
Correct Answer: A
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20 :: Infections caused by anaerobes are?
* A. Usually confined to the abdomen* B. Never seen in the lung because of its excellent blood supply
* C. Mixed
* D. Rapidly progressive
Correct Answer: C
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Thank you.
david freeman Said:
One of the benefits of these kits will be to decrease the usage of antibiotics.Right now being studied and tested on 300 at Texas Medical Cente for GBSC and expecting test for MRSA.
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