Which of the following tests has recently emerged as a new biochemical marker to measure excessive alcohol consumption?

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Combinations of tests that include gammaglutamyltransferase, mean corpuscular volume, and aspartate aminotransferase can have a diagnostic sensitivity and specificity for alcoholism in the 70% to 95% range.Carbohydrate-deficient transferrin (CDT) has recently emerged as a new biochemical marker to measure excessive alcohol consumption.Transferrin is a glycoprotein involved in transporting iron to body tissues.The carbohydrate content of transferrin is usually lower in individuals who are actively drinking alcohol; therefore, the term carbohydrate-deficient transferrin was coined.Alcohol consumption of four to seven drinks per day for at least a week can significantly elevate CDT levels.

Which of the Following Tests Has Recently Emerged as a New