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Author Question: The electrical impulse of the heart originates in the: A) coronary artery. B) SA node. C) AV ... (Read 34 times) |
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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.