Intro to GI

Question 1

where does most of the absorption occur?

Answer 1

small intestine

Question 2

what is the leading cause of GI mortality?

Answer 2

colorectal cancer

Question 3

what should we worry about if a patient has a pulsatile mass in their abdomen?

Answer 3

abdominal aortic aneurysm

Question 4

between amylase and lipase, which should we check and why?

Answer 4

lipase
stays higher for a longer time

Question 5

what imaging should be used to identify free air in the abdomen, bowel obstruction, and proper tube placement?

Answer 5

plain film xray

Question 6

what imaging is often used but causes radiation exposure?

Answer 6

CT scan

Question 7

what are some rules when using IV contrast on a CT scan? (3)

Answer 7

combine with IV fluids
requires good kidney function
skip metformin for 2 days after IV contrast

Question 8

what imaging is most often used for biliary tract disorders and is helpful to assess solid vs liquid?

Answer 8

ultrasound

Question 9

what is the diagnostic imaging of choice for pediatric and pregnant intra-abdominal complaints?

Answer 9

MRI

Question 10

what diagnostic allows imaging of swallowing mechanics and anatomy of the GI tract?

Answer 10

barium esophogram

Question 11

what is the difference between outpatient and inpatient therapy for a non-surgical disorder determined by?

Answer 11

PO tolerance