Manganese - Deficiency Test
The manganese test, an analysis by atomic absorption spectroscopy, measures serum levels of manganese, a trace element. Although its function is only partially understood, manganese is known to activate several enzymes - including cholinesterase and arginase - that are essential to metabolism. Dietary sources of manganese include unrefined cereals, green leafy vegetables, and nuts.
Manganese toxicity may result from the inhalation of manganese dust or fumes - a hazard in the steel and dry-cell battery industries - or from ingestion of contaminated water.
Procedure and posttest care
Normally, serum manganese values range from 0.4 to 0.85 ng/ml.
Significantly elevated serum levels indicate manganese toxicity, which requires prompt medical attention to prevent central nervous system deterioration. Depressed serum manganese levels may indicate deficient dietary intake, although deficiency hasn't been linked to disease.
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