When two different chemical set on two different receptors and their response is opposite to each other on the same cell,this is called as: (A) Physiological antagonism, (B) Chemical antagonism, (C) Reversible antagonism, (D) Competitive antagonism
Answer is A. Ref-KDT 6/e p56 Physiological agonism describes the action of a substance which ultimately produces the same effects in the body as another substance--as if they were both agonists at the same receptor--without actually binding to the same receptor