Arch IBS + IBS exam answers

Question 1

27-year-old female presents to ED –> severe right lower quadrant pain –> ulcers at terminal Ileum and diagnosed with ‘IBD’ What form of IBD most likely? (1)

Answer 1

Crohn’s Disease

Question 2

Difference between IBS and IBD? (4)

Answer 2

Question 3

Difference between UC and Crohn’s? (6)

Answer 3

Question 4

To extraintestinal manifestations of IBD? (2)

Answer 4

Rash, eye inflammation (iritis, uveitis), arthritis

Question 5

What questions to ask someone with diarrhoea, low abdo pain and fever in a history with no other info provided at this point? (4)

Answer 5

Draw on GI Hx taking skills: Have they travelled anywhere? Anyone else had symptoms around them? Eaten anything different such as uncooked chicken, oysters, food left outside etc? How long have the symptoms been there for? etc etc

Question 6

3 indications for colonoscopy? (3)

Answer 6

Lower GI bleeding Screening and surveillance of colorectal polyps and cancers Chronic diarrhea

Question 7

Biopsy finding of Crohn’s

Answer 7

Question 8

2 bacteria and 2 viruses for gastroenteritis (4)

Answer 8

bacteria: Campylobacter jejuni, Salmonella enterica, Shigella, Clostridium difficile, Vibrio cholera, Escherichia coli (ETEC, EHEC, EPEC, EIEC) viruses: rotavirus, norovirus, COVID-19 protozoans: Giardia spp., Cryptosporidium spp., Entamoeba histolytica

Question 9

Compare macroscopic and endoscopic results of UC

Answer 9

Question 10

Guaiac occult blood test vs fecal occult blood test (3)

Answer 10

Question 11

Most commonly used probiotic species

Answer 11

probiotics = dietary supplements that contain live bacteria used to colonise the GIT with favourable microbes Inner Health Plus – Lactobacillus acidophilus, Bifidobacterium lactis Yakult – Lactobacillus casei Shirota fermented foods such as yoghurt, kimchi, sauerkraut