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Author Question: Which of the following pairs measures the oxygen level in the blood? A) chest x-ray and ... (Read 72 times) |
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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Vaccines prevent between 2.5 and 4 million deaths every year.