Which of the following compound antagonizes the actions of insulin: (A) Neuropeptide Y, (B) Growth hormone, (C) Substance P, (D) Vasoactive intestinal peptide
Answer is B. Ans. (b) Growth hormone(Ref: Ganong, 25th ed/p.434)Growth hormone is a diabetogenic hormone. It causes hyperglycemia. It antagonizes the action of insulin