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Author Question: Which performance appraisal tool requires supervisors to categorize employees from best to worst on ... (Read 189 times) |
The average office desk has 400 times more bacteria on it than a toilet.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.