This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
Insulin resistance is seen in all, Except: 
Select and explain. 
A. Werner's syndrome, B. Addison's disease, C. Ataxia telengiectasia, D. Lipodystrophy
B: Addison's disease
Answer: B: Addison's disease 
Explanation: Ans. is 'b' Addison's disease Insulin resistance occurs in Cushing's syndrome not in Addison's disease.Other important causes of insulin resistance.Obesity*Ataxia telangiectasia*Lipoatrophic diabetes mellitus*Werner's syndrome *Acromegaly*Pregnancy*Pheochromocytoma*