Medical Microbiology - Campylobacter & Helicobacter | Take the Quiz

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Test Your Knowledge: Campylobacter & Helicobacter

Challenge yourself with our comprehensive quiz on Campylobacter and Helicobacter! This quiz covers essential topics ranging from microbiology, infections, and associated diseases to diagnostic methods.

Whether you’re a student, an aspiring healthcare professional, or simply interested in medical microbiology, this quiz is designed for you.

22 insightful questions
Multiple choice format
Available for all knowledge levels

22 Questions6 MinutesCreated by LearningMicrobe427

A 35-year-old patient complains of abdominal cramps along with profuse diarrhea. The treating physician wants to process the stool specimen for isolation of Campylobacter jejuni. Which of the following is the method of choice for the culture of stool:

Culture on TCBS medium incubated at 37°C under aerobic conditions

Culture on Skirrow’s medium incubated at 42°C under micro-aerophilic conditions.

Culture on MacConkey medium incubated at 42°C under anaerobic conditions

Culture on Wilson and Blair’s medium incubated at 37°C under micro-aerophilic conditions

Which of the following is gram-negative curved rods with polar flagella (“gulls’ wings”)

V. colera

C. jejuni

H. pylori

Yersinia enterocolitica

Which of the following is associated with Guillain-Barré syndrome?

H. pylori

V. cholera

C. jejuni

Yersinia enterocolitica

Diarrhea caused by which one of the following agents is characterized by the presence of fecal leukocytes?

Clostridium perfringens

Campylobacter jejuni

Escherichia coli

Rotavirus

The following is NOT a feature of C.jejuni:

Has a high infectious dose.

Microaerophilic.

Grows at 42°C.

None of the above.

Which of the following virulence factors is NOT associated with C. jejuni serogroup O19 ?

GBS

Invasins

Adhesions

S-layer protein “microcapsule”

Which of the following statement regarding Campylobacter jejuni is not correct?

It is the commonest cause of campylobacteriosis

Humans act as important reservoirs

It is associated with Guillian Barre syndrome

Poultry is a common source of infection

Campylobacter jejuni is one of the most common causes of food poisoning, which also has been associated with post diarrheal syndrome, the syndrome is called..........…......?

Toxic shock syndrome

Guillain-Barre syndrome

Short bowel syndrome

Rett syndrome

It was shown that metronidazole and clarithromycin resistant H. pylori strains become susceptible if they are administered together with: (Case report Question)

A) Bismuth

B) Erythromycin

C) Tetracycline

D) None of the above

Which of the following species of Helicobacters is isolated from homosexual men with HIV?

H. pylori

H. fennelliae

H. cinaedi

all except H. pylori

The following is a distinguishing feature of H.pylori but NOT C. jejuni:

Oxidase positive

Urease positive

Microaerophilic

Grows on Campy or Skirrow agar

Acute inflammatory demyelinating neuropathy (85% of cases) from cross reaction with:

A) Schwann cells

B) Myelin

C) Axonal membrane

D) Both a and b

Which of the following account for 15% of GBS caused by cross reactivity with C. jejuni oligosaccharides ?

Acute inflammatory demyelinating neuropathy

Acute axonal form

Both

None of them

Endoscopic biopsy is positive for urease test and organism grows on Skirrows media. Identify the organism.

H. pylori

C. jejuni

V. cholera

None of them

Reactive arthritis is a consequence of C.jejuni infections in patients:

A) Having HLA-B28

B) infected by serotype O:19

C) Having HLA-B27

D) infected by serotype O:17

A patient is admitted to the hospital because of a bleeding duodenal ulcer. Culture at 37°C reveals a urease-positive, gram-negative, curved rod. Which of the following is a likely complication due to infection with the causal agent?

A) Diarrhea

B) Stomach cancer

C) Kidney stones

D) Vomiting

Medical Microbiology - Campylobacter & Helicobacter

Test Your Knowledge: Campylobacter & Helicobacter

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