Regions of the large intestine in order.

1.      Label in order the colonic structures

a)      __4___ transverse colon

b)     __7___ sigmoid colon

c)      __1__ cecum

d)     ___6__ descending colon

e)      ___2__ ascending colon

f)       ___8__ rectum

g)      ___5__ splenic flexure

h)     ___3__ hepatic flexure

i)        ___9__ anal canal  

2.      A 70-year-old white male presents to his primary care physician with a complaint of rectal bleeding. He describes blood mixed in with the stool, which is associated with a change in his normal bowel habit such that he is going more frequently than normal. He has also experienced some crampy left-sided abdominal pain and weight loss. He has previously been fit and well and there was no family history of GI disease. Examination of his abdomen and digital rectal examination are normal.

What of the following diagnostic tests will be useful in further examining this patient?

a)      Chest X rays

b)     Colonoscopy

c)      Fecal occult blood test

d)     CBC