Bleeding vessel in haemorrhoids is: (A) Superior rectal aery, (B) Superior rectal vein, (C) Middle rectal aery, (D) Middle rectal vein
Answer is B. Bleeding vessel in haemorrhoids is superior rectal vein which is a branch of inferior mesenteric vein at the level of rectum. Dilation of these vessels leads to bleeding leading to internal haemorrhoids. Veins are better option than aery.