<prompt> The following are recognized features of pan-hypopituitarism except?Increased insulin sensitivityPigmentation of the mucous membranesLow serum thyroxine and TSH levelsLoss of secondary sex characters  <response>: Since ACTH has a paial MSHMelanocyte Stimulating Hormone like activity and levels of ACTH in Pan-hypopituitarism will fall, the hyperpigmentation cannot occur. However diseases with Increased ACTH like Addison disease will show hyperpigmentation. Insulin sensitivity implies hypoglycemia. LHFSH fall will cause loss of secondary sexual features. 