An association football (soccer) match is presided over by a referee, whom the Laws of the Game give full authority to enforce the Laws of the Game in connection with the match to which he has been appointed (Law 5). The referee is oftentimes assisted by two assistant referees, and sometimes by a fourth official.
Barfoed's test. Barfoed's test is a chemical test used for detecting the presence of monosaccharides. It is based on the reduction of copper(II) acetate to copper(I) oxide (Cu2O), which forms a brick-red precipitate.
liver panel. Lab medicine A battery of tests used to evaluate the liver's functional status and its ability to produce proteins and metabolize toxins, and detect inflammation, measuring transferasesâAST, AST, Î³-glutamyl transferase, alkaline phosphatase, total BR, conjugated BR, total protein, albumin, PT.