<prompt> Battle sign is positive, if bruise inOrbital regionOccipital regionMastoid regionNeck region  <response>: Ans. C. Mastoid regionRef: Review of Forensic Medicine toxicology; Gautum Biswas; 2nd edition; Pg - 236Bruisingecchymosis over the mastoid processQ in the line of posterior auricular artery.It is an indication of fracture of middle cranial fossaQof the skull, and may suggest underlying brain trauma 