P5 ANATOMY OF COLON,RECTUM ,ANAL CANAL

Question 1

name the 9 regions of large intestine

Answer 1

Appendix
cecum
Ascending colon
right colic flexure
Transverse colon
left colic flexure
Descending colon
Sigmoid colon
rectum

Question 2

Length of cecum

Answer 2

5 cm

Question 3

Length of ascending

Answer 3

10 cm

Question 4

length of transverse colon

Answer 4

50 cm

Question 5

Length of descending

Answer 5

10 cm

Question 6

Length of sigmoid

Answer 6

50 cm

Question 7

Length of rectum

Answer 7

15

Question 8

Length of anal canal

Answer 8

4 cm

Question 9

mention the 3 teniae coli

Answer 9

omental tenia
mesocolic tenia
free tenia

Question 10

what type of muscle forms teniae coli

Answer 10

Longitudinal bands of smooth muscles

Question 11

taeniae commences at

Answer 11

Appendix

Question 12

teniae ends at

Answer 12

rectosigmoid junction

Question 13

widest site

Answer 13

cecum

Question 14

width of cecum

Answer 14

8 cm

Question 15

width of cecum makes it more prone to

Answer 15

Perforation

Question 16

Narrowest

Answer 16

sigmoid colon

Question 17

width of sigmoid colon

Answer 17

4 cm

Question 18

width of sigmoid colon makes it more prone to

Answer 18

Obstruction

Question 19

rectum begins at which vertebral level

Answer 19

S 3 level

Question 20

sigmoid arteries arise from

Answer 20

Inferior mesenteric artery

Question 21

Anterior relations of rectum in males

Answer 21

seminal vesicle , apex of prostate

Question 22

Anterior relations of rectum in females

Answer 22

uterus

Question 23

Posterior relations of rectum

Answer 23

sacrum

Question 24

Superior rectal artery formed by anastomoses

Answer 24

branches of IMA that supplies sigmoid

Question 25

superior rectal vein belongs to

Answer 25

portal system

Question 26

middle & inferior rectal veins belongs to

Answer 26

caval system

Question 27

what artery is formed by anastomoses of sup. & inf. mesenteric arteries

Answer 27

marginal artery of drummond

Question 28

marginal artery extends from ........ to .........

Answer 28

from ileocecal junction to rectosigmoid junction

Question 29

lymphatic drainage of large intestines

Answer 29

Epicolic , paracolic , mesocolic LNs

Question 30

origin of appendicular artery

Answer 30

ileocolic artery

Question 31

most common position of appendix

Answer 31

retrocecal

Question 32

Sympathetic afferent nerves of appendix arises from

Answer 32

T10 segment

Question 33

what part of levator ani muscle maintains the recto-anal bend

Answer 33

puborectalis

Question 34

line that separates the upper and lower portions

Answer 34

Pectinate line

Question 35

line between lower portion of hindgut and skin

Answer 35

anocutaneous line

Question 36

nerve supplying internal anal sphincter

Answer 36

Inferior hypogastric plexus

Question 37

nerve supplying external sphincter

Answer 37

pudendal nerve

Question 38

upper part of anal canal will be sensitive to

Answer 38

Stretch

Question 39

sup. rectal vein will drain into

Answer 39

portal vein

Question 40

lower part of anal canal will be sensitive to

Answer 40

pain

Question 41

middle &Inferior rectal vein will drain into

Answer 41

IVC

Question 42

upper part of anal canal will drain lymph into

Answer 42

internal iliac

Question 43

lower part of anal canal drain lymph into

Answer 43

Superficial inguinal

Question 44

Artery supplying upper part

Answer 44

middle rectal artery

Question 45

Artery supplying lower part

Answer 45

Inferior rectal artery