The External Anal Sphincter Is Controlled by

Multiple Choice

The external anal sphincter is controlled by

A) Reflexes from stretch of the sigmoid colon mediated by the parasympathetic nerve
B) Involuntary reflexes carried over the pelvic nerve
C) Somatic motor neurons from sacral segments carried in the pudendal nerve
D) Sympathetic nerves from T10-L2 over the hypogastric nerve
E) Involuntary reflexes carried over the pudendal nerve