Asked by Andy Blackwell Uncategorized
Why RBC is diluted water?
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Asked in Microbiology
If a cell lives in hypotonic environment what will happen if placed in hypertonic environment?
If a cell is used to living in a hypotonic environment, that means that there exists less solute concentration outside of the cell. Take, for example, a red blood cell (RBC). When the RBC is placed in distilled water, the RBC is hypertonic to the water. The water is hypotonic to the RBC. In this case, the RBC will swell, and in most cases rupture. However, if one were to put an RBC in very salty water, the RBC would be hypotonic to the salt water. The salt water would be a hypertonic environment. In this case, the water would diffuse out of the RBC, causing it to shrivel. Awigman
Asked in Biochemistry, Laboratory Testing
What is the chemical composition of RBC diluting fluid?
Asked in Health, Medication and Drugs, Drug Tests
What is a negative diluted urine drug test?
A diluted urine drug test is one where the sample was diluted. It happens in two ways--you drank too much water to make yourself pee (DOT's standard says drink no more than 40 ounces of water), or you put water in your sample after you peed it out. A negative diluted test says "no drugs in this sample passed the test thresholds, but it was diluted so there MIGHT be drugs in here." Basically, a diluted negative is a test failure.