Case 11

Question 1

Which single layer of the intestine forms the teniae coli?

Answer 1

Longitudinal layer of muscularis propria

Question 2

Who is more at risk of colorectal cancer in somebody who has Lynch Syndrome? (males/females) Most at risk mutations?

Answer 2

Males more at risk MSH1, then MSH2

Question 3

‘Ricewater stools’, meaning watery stools with mucus and cell debris is indicative of what?

Answer 3

Cholera (bacterial infection aquired from contact with an infected person/water/food - usually from poor sanitation)

Question 4

What is the main role of T3 hormone?

Answer 4

Regulate basal metabolic rate Control calcitonin secretion

Question 5

Which two layers does the myenteric (Auerbach’s) plexus sits between?

Answer 5

circular and longitudinal muscle layers

Question 6

Which two layers does the submucosal (Meissner’s) plexus sit between?

Answer 6

the submucosa (adjacent to circular muscle)