This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Colonic pseudo obstruction occurs in all, EXCEPT: 
Select and explain. 
A. Diabetes mellitus, B. Dermatomyositis, C. Scleroderma, D. Hypehyroidism
D: Hypehyroidism
Answer: D: Hypehyroidism 
Explanation: "Pseudo Obstruction is seen in hypothyroidism, not in hypehyroidism" Ref: Sabiston 18/e, Page 1372; schwaz 9/e, Page 992.