im scared of failing this exam

Question 1

what state does iron need to be in to be absorbed

Answer 1

either in Fe2+ or attached to heme

Question 2

a cause of osmotic diarrhoea

Answer 2

lactose intolerance

Question 3

ischeamic colitis

Answer 3

large intestine

Question 4

acute and chronic mesenteric ischaemia

Answer 4

small intestine

Question 5

what are the watershed areas

Answer 5

splenic flexure (griffiths)
and 
rectosigmoid junction (sudeks)

these places are most likely areas to not be perfused

Question 6

what does the SMA supply

Answer 6

small intestine all the way to 2/3 of transverse colon

Question 7

what does the IMA supply

Answer 7

3/3rd of the transverse colon to anus(pretty much)

Question 8

what is the marginal artery of drummond

Answer 8

collateral arteries that are from the mesenteric artery -

they help maintain blood supply if there is obstruction of the main vessels

Question 9

what drains into the SMV

Answer 9

ascending colon and transverse colon

Question 10

what drains into the IMV

Answer 10

descending and sigmoid

Question 11

pain 30 mins after eating indicates + raised lactate

Answer 11

ischaemia

Question 12

free abdominal air indicates

Answer 12

dead colon matter

Question 13

vasculature used in cabg

Answer 13

mammary
radial
saphenous

Question 14

mast cell granule that causes vasodilation

Answer 14

histamine