This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Surgery
All can commonly occur in a patient who suffered decelerating injury in which pituitary stalk was damaged except one: 
Select and explain. 
A. Diabetes mellitus, B. Thyroid insufficiency, C. Adrenocortical insufficiency, D. Diabetes insipidus
A: Diabetes mellitus
Answer: A: Diabetes mellitus 
Explanation: Ans. (a) Diabetes mellitus* Pituitary stalk damage can result in - Diabetes Insipidus, Thyroid insufficiency and Adrenocortical insufficiency (ADH, TSH and CRH deficiency)