GI Infections

Question 0

Hepatitis:

Answer 0

Hep A-E + Yellow fever virus.

Question 1

Dental caries:

Answer 1

S.mutans

Question 2

Other liver infections:

Answer 2

Liver abscess –> E.histolytica
Visceral leishmaniasis –> L.donovani
Hydatid cyst –> E.granulosus
Liver flukes –> Schistosoma species

Question 3

Biliary tract infection:

Answer 3

E.faecalis

Question 4

Ulcers:

Answer 4

H.pylori

Question 5

Food poisoning <6h incubation:

Answer 5

S.aureus - toxin ingested - diarrhea.

B.cereus - toxin ingested - vomiting

Question 6

Food poisoning >10h incubation:

Answer 6

B.cereus - toxin ingested - diarrhea.

C.perfrigens - Bacteria ingested + toxins released in GI tract - diarrhea.

Question 7

BACTERIAL small intestine infections (Watery/Non inflammatory diarrhea):

Answer 7

1. V.cholerae
2. ETEC
3. C.perfrigens
4. B.cereus
5. S.aureus

Question 8

VIRAL small intestine infections (Watery/Non inflammatory diarrhea):

Answer 8

1. Rotavirus
2. Norwalk virus
3. Adenovirus

Question 9

Protozoan small intestine infections (Watery/Non inflammatory diarrhea):

Answer 9

1. G.lamblia

2. C.parvum

Question 10

BACTERIAL large intestine/Distal small intestine infections (Bloody/Inflammatory diarrhea):

Answer 10

1. Shigella
2. S.typhi
3. S.enteritidis
4. C.jejuni
5. EHEC
6. EIEC
7. Y.enterocolitica
8. V.parahaemolyticus
9. C.difficile

Question 11

PROTOZOAN large intestine/Distal small intestine infections (Bloody/Inflammatory diarrhea):

Answer 11

E.histolytica