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3 Cards in this Set
- Front
- Back
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1. What is bacteriological examination of water?
1b.Purpose of bacteriological examination of water
1c.The interpretation and trigger levels of different waters vary depending on...? |
This is the method of analyzing water to estimate the number of bacteria present and if needed to find out what sort of bacteria they have.
1b. To confirm water is safe for consumption.
1c. depending on its' use |
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1.Why are Indicator Organisms Used in bacteriological examination of water? 1b. Examples of Indicator Organisms 1c. Presence in water suggests? They are commonly found in? |
This is because in the event of infection with a more pathogenic bacteria, an infected person will excrete more indicator organisms than pathogens. So it is surmised that if indicator organisms are low, pathogen levels will be much lower or absent. b. Non specific Coliforms(E. coli)/Pseudomonas aeroginosa c.. Presence of sewage or fecal pollution. They are commonly found in animal or human gut |
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1. Sources of Microorganisms in Food (Plant Sources) 2. Sources of Microorganisms in Food (of Animal Sources) 3. A food can also be contaminated by? |
1. Surfaces of fruits, vegetables as well as spores of tubers 2. Skin, hair, feathers, gasro-intestinal tract, UGT 3. air, soil, sewage, feeds, humans, food ingredients, food equipment/packages, insects. |
