In a seriously ill patient, addition of amino acids indiet results in a positive nitrogen balance. The mechanism for this is :: (A) Increased Growth hormones secretion, (B) Enhanced rate of gluconegenesis, (C) Increased absorption of amino acids from diet, (D) Increased secretion of Insulin.
Answer is D. Increased secretion of insulin Amino acid diet (paicularly arginine & lysine) stimulate insulin release which has anabolic effect on metabolism. It decreases protein catabolism .for energy and increases amino-acid uptake & protein synthesis.