s9 Examplify quiz

Question 1

why is sigmoid colon a common place for diverticula?

Answer 1

faeces is well formed at this point in gut

> higher intraluminal pressures causing diverticula formation.

Question 2

diarrhoea with mucus and blood likely to be?

gram negative bacteria

Answer 2

shigella
> destroys colonocytes
- destruction in distal GI tract = bleeding + mucus (mucosa damage)

Question 3

what bacteria causes bloody diarrhoea

Answer 3

shigella

campylobacter

Question 4

complication of c diff infection

Answer 4

psuedomembranous colitis > yellow plaques

toxic megacolon

Question 5

difference between norovirus and rotavirus

Answer 5

noravirus- many strains. no immunity therefore adults and kids can get it

rotavirus- kids

Question 6

cause of persistent diarrhoea

Answer 6

Giardia

Question 7

common extra intestinal manifestation of IBD?

Answer 7

arthritis

skin disorders e.g. psoriasis

eye issue e.g. scleritis

Question 8

where in oesophagus can you get adenocarcinomas?

Answer 8

lower third

Question 9

cause of osmotic diarrhoea

Answer 9

lactase deficiency

Question 10

sudden onset of colicky
intermittent abdo pain
unable to pass faces
not vomiting

likely cause of bowel obstruction?

Answer 10

sigmoid volvulus

Question 11

gradual onset bloody diarrhoea, hx of travel, LONG duration of symptoms
abdo pain
tenesmus

Answer 11

Amoebiasis

parasite