Bowel Elimination Process

Question 1

Order process of Bowel Elimination

Answer 1

-fecal material reaches rectum
-stretch receptors initiate contraction of sigmoid colon
-internal anal sphincter relaxes pushing the feces forward
-sensory impulses cause voluntary “bearing down” downward pressure
-external sphincter relaxes
-Valsalva Maneuver means forced expiration (constipation)