In most types of liver disease, the ALT level is higher than AST and the AST/ALT ratio will be low (less than 1). There are a few exceptions; the AST/ALT ratio is usually increased in alcoholic hepatitis, cirrhosis, and in the first day or two of acute hepatitis or injury from bile duct obstruction.
The modern number system was invented by the Indians. Despite that, the numeral system used today is called Arabic or Hindu-Arabic because the Arabs were the ones to bring it to Europe.
It is not positive nor negative number. Zero digit. The zero digit is used as a placeholder when writing numbers. For example: 204 = 2Ã100+0Ã10+4Ã1. Zero number history Who invented the zero number? The modern 0 symbol was invented in India in the 6-th century, used later by the Persians and Arabs and later in Europe. Symbol of zero. The zero number is denoted with the 0 symbol.