ID - gastrointestinal

Question 1

Giardia:

____ form infectious by oral route, ____ form destroyed by gastric acidity

Answer 1

cyst form infectious by oral route, trophozoite form destroyed by gastric acidity

Question 2

Giardia: diarrhea does or does not have blood, pus, and mucus?

Answer 2

watery, WITHOUT blood, pus, or mucus

Question 3

How is diagnosis of giardia made?

Answer 3

trophozoites or cysts in stool

Question 4

Treatment of choice for giardiasis?

Answer 4

metronidazole

Question 5

pea soup diarrhea

Answer 5

typhoid fever (enteric fever) - Salmonella enterica typhi

Question 6

rose spots rash

Answer 6

typhoid fever

Question 7

rice water stool….gray, no blood or pus

Answer 7

cholera

Question 8

8-48 hours after ingestion of contaminated food

Answer 8

Salmonella

Question 9

2 that produce Shiga toxin or Shiga-like toxin

Answer 9

Shigella, certain E. coli

Question 10

cattle and poultry

Answer 10

Campylobacter

Question 11

stepwise fever

Answer 11

typhoid fever

Question 12

“all blood no stool”

Answer 12

enterohemorrhagic E. coli

Question 13

greasy stool

Answer 13

giardiasis

Question 14

bloody, mucousy stool

Answer 14

shigella

Question 15

most cases of infectious gasteroenteritis are due to _____ (organism)

Answer 15

viral (rotavirus, norovirus)

Question 16

traveler’s diarrhea is usually caused by _____

Answer 16

bacteria; ETEC common

Question 17

this is usually asymptomatic

Answer 17

amebiasis

Question 18

can cause liver abscesses

Answer 18

amebiasis

Question 19

diagnostic test for C. diff

Answer 19

EIA

Question 20

2 unique treatment options for C. diff

Answer 20

1. Saccharomyces boulardii, a live yeast

2. fecal transplant