GI 7 practice Flashcards
(28 cards)
Define acute diarrhea
≤ 7 days
Which of the following is NOT true of salmonella and shigella?
a) Fever is typical in both
b) Salmonella is more likely to have n/v
c) Shigella is characterized by mucoid or bloody diarrhea
d) Salmonella requires C&S because can be resistant to some ATBs
d) Salmonella requires C&S because can be resistant to some ATBs
(shigella requires C&S, not salmonella)
80% of retail poultry is contaminated with what?
Campylobacter
Consumption of seafood can lead to what diarrheal condition that can also cause skin infection that rapidly develops into bacteremia and systemic disease?
Vibrio
Cruise ship diarrhea outbreaks via fecal contamination of food or water from an infected person (usually very young or very old) are often from what?
Enterotoxigenic E. coli (ETEC)
Which of the following should you not give ATBs (abx/ antibiotics) to, because they may increase risk of HUS?
Shiga toxigenic E. coli (STEC)
When are antidiarrheals NOT contraindicated?
a) Bloody diarrhea
b) High fever
c) Systemic toxicity
d) Neutropenia
d) Neutropenia
Diphenoxylate/atropine (Lomotil) is contraindicated in acute diarrhea because it may cause _______________.
a) Toxic megacolon
b) Cirrhosis
c) Severe dehydration
d) HUS
a) Toxic megacolon
Which of the following are the drugs of choice for acute diarrhea empiric therapy?
a) Ciprofloxican
b) Ceftriaxone
c) Metronidazole
d) Ofloxacin
a) Ciprofloxican
c) Metronidazole
When is specific antibiotic therapy NOT recommended? Select 2
a) Shigellosis
b) Campylobacter
c) C. Diff
d) STEC
e) ETEC
b) Campylobacter
d) STEC
Which of the following was mentioned as a significant risk factor of IBS?
a) S. aureus
b) Vibrio
c) Enterotoxigenic E. coli (ETEC)
d) Shiga toxigenic E. coli (STEC)
e) Traveler’s diarrhea
e) Traveler’s diarrhea
Your patient is headed to Mexico to visit family for the summer (a 2 month stay). What should you recommend to them?
No prophylaxis recommended
You’re a PA at a clinic in Africa. Your patient is from the US, she’s pregnant, and she presents with fever and bloody diarrhea. How do you treat her?
a) Single PO dose ciprofloxacin
b) Single PO dose azithromycin
c) Single PO dose rifaximin
d) Single PO dose levofloxacin
b) Single PO dose azithromycin
Which of the following is NOT matched correctly to its incubation period?
a) STEC; 1-8 days
b) ETEC; 1-3 days
c) Vibrio; 1-4 days
d) Campylobacter; 2-5 days
c) Vibrio; = 24-72 hrs
Which of the following is NOT matched correctly to its incubation period?
a) Rotavirus; 24-48 hours
b) Noroviruses; 12-48 hours
c) Shigella; 24-48 hrs
d) Salmonella; 1-3 days
a) Rotavirus; = 1-3 days
What is common in middle aged females?
a) Post-cholecystectomy diarrhea
b) Malabsorption syndromes
c) Microscopic colitis
d) Rotaviruses
c) Microscopic colitis
A patient, who had Campylobacter a week ago, is experiencing a post-diarrheal infection symptom that’s frequently associated with HLA-B27. What symptom is this?
a) IBS
b) Dermatitis
c) Guillain-Barre Syndrome
d) Reactive Arthritis
d) Reactive Arthritis
What is Guillain-Barre Syndrome most commonly associated with?
a) Campylobacter
b) Vibrio
c) Salmonella
d) Shigella
a) Campylobacter
Which of the following causes of diarrhea is rarely bloody?
a) Shigella
b) Vibrio
c) C. Diff
d) Campylobacter
c) C. Diff
Abdominal CT may show colonic wall ____________ with C. Diff infections
a) thinning
b) thickening
c) widening
d) narrowing
b) thickening
T/F: Diarrhea is defined as increased stool frequency (>3 BMs/day) or liquid feces (Bristol 7)
True
T/F: Non-inflammatory diarrhea may involve tissue invasion
False
T/F: Testing is generally unnecessary for acute non-inflammatory diarrhea
True
T/F: Vibrio is not tested with routine stool cultures
True
