|
Author Question: A variance is an exception to a zoning code regulation. A. True B. ... (Read 15 times) |
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.