<prompt> Rash of chicken pox is -Deep seatedCentripetal distributionMonomorphicUmblicated  <response>: Ans. is b i.e., Centripetal distribution o Clinical features of chicken pox has two stages :-1 Pre-eruptive stage Characterized by fever, back pain, malaise and shivering.2 Eruptive stage It is characterized by a characteristic rash with following features which must be differentiated from rash of small pox :-i Superficial and unilocular rash of small pox is deep seated and multilocular.ii Symmetrical, mostly on flexor surface rash of small-pox usually affect extensor surface.iii Centripetal distribution rash of smallpox has centrifugal distribution.iv Affects axilla but spares palms and soles rash of small-pox affects palms and soles but spares axilla.v Pleomorphic, with appearance of all stages of rash simultaneously rash is monomorphic in nature in small-pox.vi Dew-drop on rose petal apperance rash of small-pox has umblicated apperarance.vii Area of inflammation around the rash in small-pox there is no inflammation around the rash.viii Evolution of rash is rapid, scabs begin to form 4-7days after rash evolution is slow, scabs begin 10-14 days after rash. 