<prompt> Which of the following statements is true regarding Pityriasis rubra pilaris a Isolated patches of normal skin are foundb Cephalocaudal distributionc I.V. cyclosporine is effectived More common in femalese Oral cyclosporine is effectiveabcacad  <response>: A characteristic feature of plaques of pityriasis rubra pilaris is the presence of distinct islands of normal skin.Lesions on the trunk evolve in craniocaudal cephalo caudal direction. 