Surgery Rectal incontinence is due to involvement of :a) External anal sphincterb) Internal anal sphincterc) Ischiococcygeusd) Pubococcygeus A acd B bcd C abc D abd 💡 Explanation Rectal incontinence is due to involvement of :a) External anal sphincterb) Internal anal sphincterc) Ischiococcygeusd) Pubococcygeus ✓ Correct Answer: D. abd