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If a urine sample has mixed growth then it means that there are more than one type of bacteria growing in it.
urine culture report no growth
Hands, urine and stools.
Bacterial contamination will cause no effects if the sample is tested directly after collection. However, if the sample is allowed to sit, bacteria will multiply and raise the urine pH. Urine pH above 8 is abnormal.
Cross contamination means the growth of microrganism in animal cell culture.
You can identify a contamination on a pour plate by color, size, shape, texture, or growth rate.
What is conclusion if urine c s test shows no growth
Catheter urine is more "sanitary" than regular urine. Because it is collected from the bladder, and doesn't "touch" the external skin, it is less prone to skin contamination.
Microbial contamination is the introduction and growth of harmful microorganisms in foods and water, causing food borne illness and even death. Some examples of microbial contamination include botulism, salmonella, and mold.
Chemical (bleach mixed in) Bacterial (salmonella) Physical (a metal shaving)
A urine culture with mixed flora consisting predominately of nonpathogens is usually an incomplete test. This generally means that urine was not obtained by a clean catch method.
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