By the time that the coin's composition was changed to match that of the clad dimes and quarters in 1971, both businesses and the public had adapted to a country in which the half dollar did not generally circulate. The quarter took over the half's role as the highest-value component of change.
The normal ammonia range is 10â47 Î¼mol/L. High ammonia levels and signs of hepatic encephalopathy is a worsening of brain function that occurs when the liver is no longer able to remove toxic substances in the blood due to cirrhosis. Symptoms may be mild at first.
you don't need to convert any lab values. for ammonia, you merely need to know what the normal levels are and be able to recognize what is abnormal no matter what system of measurement is used. you need to get a lab reference that will give you the normal levels in various measurements. if you do not have a lab reference book with this information, try looking for it on any of these websites: