The nerve mediating pain of External hemorrhoids is:: (A) Hypogastric nerve, (B) Inferior rectal nerve, (C) Pelvic splanchnic nerve, (D) Sympathetic plexus
Answer is B. -External hemorrhoids --> present below pectinate line , painful bleeding is present --> pain carried by Inferior Rectal Nerve (branch of pudendal nerve). -Internal haemorrhoids --> present above pectinate line --> painless bleeding is its feature.