<prompt> The commonest site of fracture in Base of Skull?Anterior Cranial fossaMiddle cranial fossaPosterior cranial fossaLateral cranial fossa  <response>: The common sites of fracture in the skull are:a The parietal area of the vault.b The middle cranial fossa of the base. This fossa is weakened by numerous foramina and canals.The facial bones commonly fractured are: a The nasal bone and b the mandible.Some clinical features of petrous temporal bone fractureBattle signCSF otorrheaotorrhagia 