- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: A quiz consists of 920 true or false questions. If the student guesses on each question, what is the ... (Read 48 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
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.