Gastro Anatomy

Question 1

what level is the transpyloric plane on

Answer 1

L1

Question 2

what are the two types of fascia of the abdomen

Answer 2

campers and scarpas

campers is the thick fatty layer and scarpas is the thin membranous layer

Question 3

what level is the subcostal plane on

Answer 3

L2

Question 4

where is mcburneys point

Answer 4

this point is 2/3s along the way along a line joining the umbilicus to the right ASIS. it marks the usual location of the appendix

Question 5

what level is the umbilicus on

Answer 5

L3

Question 6

what 4 lines divide the abdomen into 9 regions

Answer 6

left and right mid-clavicular

horizontal divisions are subcostal and intertubercular plane

Question 7

the intertubecular plane marks the bifurcation of the aorta, what level is this at

Answer 7

L4

Question 8

what spinal nerves form the greater splanchnic

Answer 8

T5-T9

Question 9

what spinal nerves give rise to the lesser splanchnic

Answer 9

T10-T11

Question 10

what spinal nerve forms the lower splanchnic

Answer 10

T12

Question 11

what are the two arteries that supply the ascending colon

Answer 11

iileocolic and right colic

Question 12

what 3 arteries supply the transverse colon

Answer 12

right, middle and left colic

Question 13

what is the name of the marginal artery which joins the anastomoses of the inferior and superior mesenteric and their associated branches and vasa rectae

Answer 13

marginal artery of drummond

Question 14

how do we identify the large intestine against the small besides its size

Answer 14

the large has

1) epiploic appendices
2) haustrations- nay nay bitch
3) taenia coli

Question 15

what is meckels diverticulum a remnant of

Answer 15

vitelline duct- connects yolk sac to midgut

Question 16

how far is meckels diverticulum from the ileo-caecal valve

Answer 16

2 feet

Question 17

what are the two ligaments of the lesser omentum

Answer 17

hepatoduodenal and hepatogastric

Question 18

what is the ligamentum teres a remnant of

Answer 18

umbilical vein

Question 19

what is the ligamentum venosum a remnant of

Answer 19

ductus venosus- bypassed the liver

Question 20

what is the nerve supply to the gallbladder

Answer 20

coeliac plexus

Question 21

at what level is the coeliac trunk

Answer 21

T12

Question 22

what level is the SMA

Answer 22

L1

Question 23

what level is the IMA

Answer 23

L3

Question 24

what arteries supply the lesser curvature of the stomach

Answer 24

left and right gastric

Question 25

what arteries supply the greater curvature of the stomach

Answer 25

left and righrt gastro-omental/ gastroepiploic

Question 26

what artery branches off the hepatic artery first

Answer 26

right gastric, gastroduodenal is 2nd

Question 27

what has more mesenteric fat, ileum or jejunum

Answer 27

ileum

Question 28

what has more arcades ileum or jejunum

Answer 28

ileum

Question 29

what has longer vasa rectae ileum or jejunum

Answer 29

jejunum

Question 30

what has prominent peyers patches ileum or jejunum

Answer 30

ileum

Question 31

what has a thicker wall ileum or jejunum

Answer 31

jejunum

Question 32

what is the parasympathetic innervation of the hindgut

Answer 32

pelvic splanchnic- S2-S4, vagus is foregut and midgut

Question 33

what has more prominent plicae circularis jejunum or ileum

Answer 33

jejunum

Question 34

what two veins form the hepatic portal vein

Answer 34

splenic and superior mesenteric vein

Question 35

at what level does the rectum start

Answer 35

S3

Question 36

what is the Babinski reflex

Answer 36

tickle of the foot, toes go up rather than clenching