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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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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.