<prompt> Which of the following skull fractures is called a Motorcyclists fractureRing fracture of base of skullHinge fracture of base of skullComminuted fracture of skullDepressed fracture of skull  <response>: B i.e. Hinge fracture of base of skull Guide to forensic medicine toxicology: Jain 2004 p 98 Hinge fracture of base of skull, in which the base of skull is divided into two halvesQ, each moving independently of each other like a hinge, is termed as motor cyclests facture. 