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24 Cards in this Set
- Front
- Back
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What indicator did we use in the sodium thioglycollate media?
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Resazurin
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Daisy uses a public restroom. She washes her hands with soap then open the bathroom door and leaves. Unfortunately there is a deadly pathogen on the doorknob. She dies 3 weeks later. The mode of transmission is...
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Indirect, Inanimate
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In a population of 100 people: 50 become sick with influenza. 25 die. what is Influenzas lethality in this case?
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50
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Which of the following is part of aseptically transferring an organism from a plate to a broth?
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All the above
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When recording morphological features you should include everything except?
Shape Margin Rigidity Elevation Texture |
Rigidity
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If you forgot to add sodium thioglycollate in Fluid Thioglycollate Medium, what will happen to the medium?
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The medium will be pink from top to bottom
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If there is good growth on a TSA plate which is incubated in the anaerobic Jar, and the methylene blue stripe is blue, which is the best description of the organism on the plate?
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Obligate aerobe or Facultative Anaerobe
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Staphylococcus epidermidis is a common resident of the human skin and would be classified as the following..
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?
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When preparing a microscope for storage after use:
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Leave the objective lens on lowest power, with the turret all the way down.
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Organisms that ONLY grow in the presence of oxygen are referred to as
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Obligate (strict) Aerobe
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A typical biological stain is composed of a solvent and a ____, which is composed of a color component called ____, and a charged portion called___.
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Chromogen
Chromophore Auxochrome |
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What is the term for infection contracted at primary care facility such as a hospital?
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Nosocomial Infection
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Mary was guilty of transmitting Typhoid Fever to many unlucky Americans. The bacterium responsible for Typhoid Fever is Salmonella Typhi. It almost always causes diseases in healthy individuals and is considered a __.
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Pathogen
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What are two possibilities for why there are no cells on your slide following the simple stain procedure?
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Didn't vortex culture tube
Over-washed the slide |
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The medium broth is a ___ medium.
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Defined Medium
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What are the most common sources for contamination and transmission?
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Air, Water, Food
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What colony characteristic is likely to be influenced y environmental factors, such as temperature and incubation time?
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Pigment
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__ refers to a disease that is frequent and constantly present in a CERTAIN population.
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Pandemic
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The science that deals with when and where diseases occur and how they are transmitted in the human population is called ___.
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Epidemiology
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Whenever one is aseptically transferring bacteria and there is liquid on the loop, the loop MUST be ___ before it is sterilized.
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Desicated
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The shape of a cell is referred to as ___.
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Morphology
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The containment of organisms to protect you,, and the environment is collectively referred to as ___.
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Biosafety
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When a medium is cloudy it is referred to as ___.
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Turbidity
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Microscope magnification:
Scanning Power 4x Low Power 10x High Power 40x Oil Immersion 100x |
Totals: multiply by 10 to account for occular magnification.
40 100 400 1000 |
