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Questions in this quiz (37)
11) Which of the following can be transmitted by contaminated seafood?
- Aa) Salmonella typhi
- Bb) Vibrio parahemolyticus
- Cc) Shigella shigae
- Dd) Yersinia enterocolitica
- Ee) All of the mentioned
22) Which of the following tests can be used to detect a hypervirulent strain of causative agent of pseudomembranous colitis?
- Aa) Gram staining of stool
- Bb) Toxin A and B detection in the serum
- Cc) Aerobic culture of stool
- Dd) RT-PCR of the bacteria
- Ee) All of the mentioned
33) Antibiotic therapy is contraindicated for which of the following bacteria?
- Aa) H. pylori
- Bb) C. difficile
- Cc) EHEC (H157:07)
- Dd) C. jejuni
45) A 6-year-old child was brought to the Hospital because of watery diarrhea after ingesting spinach, which then progressed to bloody diarrhea. In the ICU hemorrhagic colitis was diagnosed. Which toxin is the one most likely responsible for these symptoms?
- Aa) E. coli – verotoxin
- Bb) S. aureus – toxin
- Cc) Vibrio cholera – A toxin
- Dd) B. cereus – emetic toxin
5What is true about B. cereus?
- Aa) Etiological agent of anthrax
- Bb) Involved in food poisoning
- Cc) Sulfonamides are used to treat gastroenteritis caused by this bacterium
- Dd) Inhalation form of this disease is associated with high mortality
67) Choose correct combination
- Aa) ETEC – affects small intestine – plasmid encoded heat stable and heat labile toxin
- Bb) EIEC – affects small intestine – serotypes like O157:H7
- Cc) EHEC – affects large intestine – produces Stx1 and Stx2
- DB+C
- EA+C
79) Choose the true statement about V. cholerae:
- Aa) Serotypes 01 are responsible for the major pandemics
- Bb) In associated with consumption of raw pork meat
- Cc) Can divide freely in water
- Dd) A+C
- Ee) None of the answers are true
810) 1What is true about Adenovirus?
- Aa) Types 40-42 can cause acute gastroenteritis
- Bb) Affect only adults
- Cc) Infections affect especially infants
- Dd) A+C
- Ee) A+B
91. intoxication resulting from ingestion of meat products characterized by short incubation period, abdominal crams or liquid diarrhea and self-limiting
- Aa. clostridium perfringens
- Bb. antibiotic associated diarrhea
- Cc. bacillary dysentery (shigella)
102. choose true concerning helicobacter
- Aa. is directly related to on site of bacillar colonisation
- Bb. 10-15% of patients with chronic gastritis will progress the development of peptic ulcers
- Cc. is responsible for 85% of cases of peptic ulcerations
- Dd. treatment of infection includes macrolides and beta-lactams (amoxicillin)
- Ee. all
114. choose false concerning Clostridioides difficile
- Aa. some strains produce enterotoxin and cytotoxin
- Bb. endogenous source is associated with overgrowth of clostridium
- Cc. exogenous source is associated with spores in hospital environment
- Dd. colonises the intestine in 100% of individuals
125. diagnosis of helicobacter should be based on
- Aa. feces culturing
- Bb. histologic examination of biopsy specimen
- Cc. invasive urea breath test
- Dd. b+c
136. severe gastroenteritis and septicemia caused by Campylobacter jejuni needs to be
treated with- Aa. azithromycin
- Bb. erythromycin
- Cc. penicillin V
- Dd. a+b
148. choose correct
- Aa. shigella- oxidase positive
- Bb. yersinia enterocolitica contaminated food products - enterotoxin - treatment with clindamycin
- Cc. clostridioides difficile - early food poisoning
- Dd. bacillus subtilis - emetic toxin - heat stable - early food poisoning
1510. the bacteria listed above may acquire resistance to
- Aa. colistin
- Bb. penicillin G due to carbapenemase production
- Cc. ceftriaxon due to PBP altered
- Dd. macrolides due to gyrase
- Ee. b+c
1611. choose false concerning helicobacter
- Aa. is directly related to on site of bacillar colonisation
- Bb. 10-15% of patients with chronic gastritis will progress the development of
peptic ulcers - Cc. is responsible for 0.5% of cases of peptic ulcerations
- Dd. treatment of infection includes macrolides and beta-lactams (amoxicillin)
- Ee. all
1712. choose correct
- Aa. shigella- shigella oxidase negative - exotoxin - hemolytic uremic syndrome
- Bb. yersinia enterocolitica contaminated food products - enterotoxin - treatment with clindamycin
- Cc. clostridioides difficile - early food poisoning
- Dd. bacillus subtilis - emetic toxin - heat labile - early food poisoning
1813. choose true concerning Clostridioides difficile
- Aa. some strains produce enterotoxin and cytotoxin
- Bb. exogenous source is associated with overgrowth of clostridium
- Cc. endogenous source is associated with spores in hospital environment
- Dd. colonises the intestine in 100% of individuals
1914. diagnosis of helicobacter should be based on
- Aa. feces culturing
- Bb. histologic examination of biopsy specimen
- Cc. non-invasive urea breath test
- Dd. b+c
20Intoxication from ingestion of meat products, characterized by short incubation period (8-24h), abdominal cramps and watery diarrhea, usually self limiting, describes:
- AC. perfringens food poisoning
- BFoodborne botulism
- CAntibiotic associated diarrhea
- DBacillary dysentery
- ENone of the mentioned
21Choose true concerning Helicobacter
- Aa. Directly correlates to the site of bacterial colonization
- Bb. 10-15% of patients with chronic gastritis will develop peptic ulcers
- Cc. H. pylori is responsible for 85% of gastric ulcers
- Dd. Treatment includes use of Macrolides, B-lactams
- Ee. All are true
225. Diagnosis of Helicobacter should be based on
- Aa. feces culturing
- Bb. histologic examination of gastric biopsy specimen
- Cc. invasive urea breath test
- Dd. b+c
236. Severe gastroenteritis and septicemia caused by Campylobacter jejuni may be treated with
- AErythromycin
- Bazythromycin
- Caztreonam
- Dpenicillin V
248. Choose correct
- Aa. Shigella - Oxidase positive
- Bb. Yersinia enterocolitica - contaminated food product - enterotoxin -
treatment with clindamycin - Cc. Clostridium difficile - early food poisoning
- Dd. Bacillus subtilis- emetic toxin - heat stable - early food poisoning
- Ee. Salmonella typhi - contaminated meat and eggs
2510.Etiological agent of this condition may acquired resistance to :
- Aa. colistin
- Bb. penicillin G due to carbopenamase production
- Cc. ceftriaxone due to PBP altered
- Dd. macrolides due to gyrase
262. Choose true concerning campylobacter jejuni:
- Aa) Most common disease is acute enteritis with diarrhea, fever and abdominal pain
- Bb) Most infections are self-limited but can persist for a week or more
- Cc) Person-to-person spread is unusual
- Dd) Severe gastroenteritis and septicemia are treated with erythromycin and azithromycin
- Ee) All are true
273. Choose correct combination:
- Aa) Salmonella enteritidis - oxidase negative - exotoxin - bacillary dysentery
- Bb) Clostridium botulinum - emetic toxin - early food poisoning - profuse watery diarrhea
- Cc) Clostridium difficile - early food poisoning - polypeptide capsule - treatment with metronidazole
- Dd) Bacillus cereus - contaminated food products - enterotoxin - treatment with clindamycin
- Ee) Salmonella enteritidis - contaminated meat and eggs - fecal-oral spread -
treatment with fluoroquinolones
286. Choose false concerning S. aureus intoxication:
- Aa) All known strains produce enterotoxins of super antigenic properties
- Bb) Exogenous infection is associated with ingestion of ice cream contaminated with enterotoxins + Mayonnaise + highly salted food
- Cc) Heating of the food won’t inactivate the heat-stable toxins
- Dd) Contaminated food can be tested for toxins at a public health facility
- Ee) All are false
29
8. Etiological agent above may acquire resistance to:- Aa) Azithromycin due to decreased permeability of cell membrane
- Bb) Beta-lactams due to enzymes production
- Cc) Metronidazole due to PBP altered
- Dd) Macrolides due to gyrase alteration - Natural resistance
- Ee) b + d
309. Diagnosis of foodborne botulism should be based on:
- Aa) Feces culturing
- Bb) Histologic examination of gastric biopsy specimens
- Cc) Invasive urea breath test
- Dd) b + c
- Ee) None of the mentioned
311.Patient become weak and dizzy 1 to 3 days after consuming contaminated food: Initial signs include blurred vision,constipation and abdominal pain.Finally death is attributed to respiratory paralysis:the symptoms indicate patient with:
- Aa.) foodborne botulism
- Bb.) bacillary dysentery
- Cc.) peptic ulcers
- Dd.) pseudomonas colitis
- Ee.)HUS
323.In treatment of helicobacter infections the following antibacterial agent are used in
- Aa.) amoxicillin
- Bb.) clarithromycin
- Cc.) erythromycin
- Dd.)a+b
- Ee.) all of the mentioned
334.Choose correct combination
- Aa.)Vibrio cholerae-oxidase negative-exotoxin- watery diarrhea
- Bb.)Clostridium difficile-profuse diarrhea-colonize intestine more than 95% of healthy people-treatment with metronidazole and vancomycin
- Cc.)S.aureus-enterotoxins-foodborne illne - 48 hrs of incubation
- Dd.)Helicobacter pylori-non-motile-acute,chronic enteritis-humans are primary reservoirs
- Ee.)Salmonella enteritidis-contaminated meat and eggs - faecal-oral spread -treatment with metronidazole
346.Choose true concerning E.coli
- Aa)ETEC exotoxins include enteroaggregative heat stable toxin
- Bb)Proper cooking of beef products reduces risk of EHEC infections
- Cc)EPEC infection most commonly progresses to dysentery with scant,bloody stool
- Dd)a+c
- Ee)a+b+c
357.RNA virus,common cause of infantile gastroenteritis with potential dehydration, etiological agent transmitted also in faecal matter- this description most probably indicates
- Aa)Adenovirus
- Bb)Rotavirus
- Cc)HBV
- Dd)HAV
- Ee)none of the mentioned
368.Infection caused by EHEC O:107:H7 is confirmed with using
- Aa.) culturing on chapman agar
- Bb.)Serotyping
- Cc.)detection of toxin in sea -food
- Dd.)a+b
- Ee.) all mentioned
3710.Choose false concerning Bacillus cereus intoxication
- Aa)People at risk include those who consume contaminated rice,meat and vegetables
- Bb)The heat stable enterotoxin causes the emetic form of disease
- Cc)The heat labile enterotoxin causes the diarrheal form of disease
- Dd.)Heating of the food inactivate the emetic toxin
- Ee.)a+b+c+d
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- Quiz on GTI, created by Elisabeth Haasen on 11/03/2024.
- Author
- Elisabeth Haasen
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- English
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- Created on 11 Mar 2024 · updated on 13 Mar 2024
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