<prompt> A patient meets with an accident with resultant transaction of the pituitary stalk; what will NOT occur:Diabetes mellitusDiabetes insipidusHyperprolactinemiaHypothyroidism  <response>: Answer is A Diabetes Mellitus: Insulin is a pancreatic hormone, not under the control of pituitary. Transection of the pituitary stalk would therefore in no way affect glucose levels or lead to diabetes mellitus. 