<prompt> Which is NOT a clinical feature of Addisons disease:March 2004HypoglycemiaHyponatremiaHypopigmentationHyperkalemia  <response>: Ans. C i.e. HypopigmentationHyperpigmentation is a feature of Addisons disease, paicularly of sun-exposed areas and at pressure points, such as the neck, knees and knuckles. 