<prompt> Which of the following is not true about principal hormonal responses to surgical stress?Increased level of ACTHIncreased level of growth hormoneDecreased level of insulinIncreased level of thyroxine  <response>: Ans is d i.e., Increased level of thyroxine Following table depicts the hormonal changes in a patient following the surgical stress:Principal Hormonal Responses to Surgical StressEndocrine glandHormonesChange in secretionAnterior pituitaryACTHIncreased Growth hormoneIncreased TSHViriable FSHLHVariablePosterior pituitaryAVPIncreasedAdrenal cortexCortisolIncreased AldosteroneIncreasedPancreasInsulinDecreased GlucagonIncreasedThyroidThyroxineDecreased T riiodothyronineDecreasedACTH, adrenocorticotropic hormone; TSH, thyroid-stimulating hormone; FSH, follicle- stimulating hormone; LH, luteininzing hormone; AVP, arginine vasopressin. 