The "hole" in the ozone layer above both poles is theorized to have been caused by

1. Excessive carbon dioxide buildup due to the burning of fossil fuels.
2. Radon and other radioactive gases.
3. Sulfur dioxide from industrial sources.
4. Use of chlorofluorocarbons in air conditioners, refrigerators, and aerosol cans.


ANS: 4

Nursing

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A client is admitted with dysentery caused by Clostridium difficile, or pseudomembranous colitis. To elicit the most helpful information about the cause of the dysentery, the nurse would ask the client

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The nurse is preparing to take a tympanic temperature reading of a 4-year-old. In order to get an accurate reading, what does the nurse need to do?

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A nurse prepares for a presentation to a group of adults using strategies appropriate for adult learning. This concept is called

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