<prompt> With regards to the anorectal angle, what is trueIt distributes intraabdominal forces onto the pelvic floor and plays and impoant role in continence mechanismIt is due to the pull of the external sphincterIt is around 30 degrees at trestThe angle increases at the time of defecation  <response>: Answer- A. It distributes intraabdominal forces onto the pelvic floor and plays and impoant role in continence mechanismAt rest the puborectalis muscle creates a sling around the distal rectum, forming a relatively acute angle Anorectal angle.It is 90 to 100 degrees at rest.Both the internal and external sphincters are innervated by pudendal nerve. 