Anal canal

 Q  True about anal canal anatomy are all except
a) Columns of morgagni above dentate line
b) Resting anal canal Pressure 5 – 20 mm Hg
c) Muscles are tubular with inner layer supplied by autonomic nerves

d) Contains columnar, transitional and squamous epithelium

Answer

Blood supply to rectum

Q) Blood supply to rectum - all are true except
A. Inferior rectal artery pierces the levator ani to supply the distal rectum
B. Middle rectal artery is a branch of hypogastric
C. Arc of riolan is an anastomosis between ascending branch of IMA and Middle Colic Artery
D. Left Colonic Artery arises 3-4 cm distal to the IMA origin

Answer to Q14