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Author Question: A string of twelve holiday lamps is designed to be connected in series to a 120-V source. If one of ... (Read 5855 times) |
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
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.
Approximately 25% of all reported medication errors result from some kind of name confusion.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.