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Author Question: A nurse is working in a clinic where people from several cultures are seen. As a first step toward ... (Read 37 times) |
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.