<prompt> Which of the following is are seen in Hyperparathy roidism?OsteitisfibrosacysticaOsteoporosisDissecting osteitisAll the above  <response>: Ans. is d i.e., All the above Bone in HyperparathyroidismHealing responseResorptiono Osteitis fibrosa cystica Distinctive bone manifestation Characterized by replacement of normal cellular and marrow elements by fibrous tissueo Diffuse bone resorption o Subperiostal bone resorption of phalangeal tuftso Brown tumor of hyperparathyroidism Well circumscribed dark brown area in the region of severe bone resorptiono Osteoporosis o Deformityo Pathological fracturesOther manifestationso Absence of lamina dura demineralization of mandible o Pinhead stippling of skull o Marrow fibrosis 