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Author Question: The greatest strength of experimental designsa strength that other research approaches lackis that ... (Read 59 times) |
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.