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Author Question: In the 1920s, the development of practical radio communication was furthered by A. its ability to ... (Read 198 times) |
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.