Dubin - Diarrhea

Question 1

• reheated rice

- Chinese food

Answer 1

Bacillus cereus

Question 2

• appy like s/s

- bloody diarrhea

Answer 2

yersinia enterocolitica

Question 3

• food poisioning post picnic
• diarrhea
• vomiting

Answer 3

staph areus

Question 4

• freshwater ingestion
• nonbloody diarrhea
• fatty & bad smelling

Answer 4

giardia lamblia

Question 5

man with liver disease had diarrhea after eating raw oysters

Answer 5

vibiro vulnificus

Question 6

scalding skin lesions w/ exposure to salt water

Answer 6

vibrio vulnificus

Question 7

rice-water stool

Answer 7

vibrio cholera

Question 8

MC form of travelers diarrhea

Answer 8

ETEC

Question 9

• self limiting diarrhea

- young kids at daycare

Answer 9

rota virus

Question 10

• gm - enterbacillus
• gallbladder can cause carrier state
• rose spots

Answer 10

salmonella typhi

Question 11

comma shaped

Answer 11

vibrio cholera

Question 12

modified AFB stool staining

Answer 12

• isospora

- cryptosporidium

Question 13

• recent hospital stay
• ++ Ab therapy
• pseudomembranous colitis

Answer 13

c diff

Question 14

gm - nonlactose fermenting rod that produces potent cytotoxin

Answer 14

shigella

Question 15

gm - lactose fermenting fod secreting adenylate cyclase (AC) activating toxin

Answer 15

ETEC

Question 16

gm + rod that secretes enterotoxin and cytotoxins

Answer 16

c diff

Question 17

fecal leukocytes seen with

Answer 17

• salmonella
• shigella
• campylobacter

Question 18

corkscrew motion

Answer 18

campylobacter

Question 19

pear-shaped flagellated protozoan with 2 nuclei

Answer 19

giardia lamblia

Question 20

• p-ANCA +
• mucosal destruction only
• crypt abcesses

Answer 20

UC

Question 21

generally terminal ileum (just colon)

Answer 21

UC

Question 22

• full thickness
• skip lesions
• granulomas

Answer 22

crohns

Question 23

+IgA TGG

Answer 23

celiac sprue - BEST test

Question 24

+antigliadin Ab

Answer 24

celiac sprue - not always true

Question 25

• anklosing spondylitis

- uveitis

Answer 25

UC

Question 26

• lots of freckles
• GI polyps
• AD
• LKB1 gene on Ch19

Answer 26

Peutz-Jeghers Syndrome

Question 27

• AD
• if left untreated = ca by 35/40yo
• APC gene gefects
• gradual evo of polyps

Answer 27

FAP

Question 28

• AD
• look for early ca in family hx
• polyps in colon, SI, and endometrium

Answer 28

Lynch syndrome

Question 29

• more than 200 but less than 100 polyps
• AD
• avg age dx = 50yo

Answer 29

attenuated FAP

Question 30

• anenomatous colon polyps
• osteomas of mandible, skull and long bones
• supernumerary teeth
• AD

Answer 30

Gardner’s

Question 31

• adenomatous colon polyps
• brain tumors
• 100% have CR ca by 40
• AD

Answer 31

turcot’s

Question 32

longest worm

Answer 32

ascaris lumbricoides

Question 33

fish tapeworm

Answer 33

diphyllobothrium latum

Question 34

• liver fluke

- fresh water snails

Answer 34

schistosoma mansoni

Question 35

descending paralysis

Answer 35

clostridium botulinum

Question 36

fecal lactoferrin

Answer 36

intestinal inflammation

Question 37

• can present like appy

- PAINLESS bleeding

Answer 37

meckle’s

Question 38

• hydatid sand

- liver cysts

Answer 38

echinococcus parasite

Question 39

ascending weakness (Gullion-Barre)

Answer 39

Campylobacter

Question 40

c. diff gm stain

Answer 40

+

Question 41

h pylori gram stain

Answer 41

-

Question 42

bacillus cerus gm stain

Answer 42

+

Question 43

pink on McConkey

Answer 43

E. coli

Question 44

HUS

Answer 44

EHEC

Question 45

comma shaped bact - 3

Answer 45

• helicobacter
• campylobacter
• cholera