Medical Bacteriology II: Gram Negative Bacteria

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Which of the following is a Gram-negative cocci bacterium?

Neisseria meningitidis (correct)

Moraxella catarrhalis

Borrelia burgdorferi

Campylobacter jejuni

Which bacterium is characterized by Gram-negative curved rods with polar flagella known as 'gulls’ wings'?

Neisseria gonorrhoeae

Campylobacter jejuni (correct)

Treponema pallidum

Moraxella catarrhalis

What is the distinguishing feature of Helicobacter pylori?

Spirochete morphology

Microaerophilic growth (correct)

Gram-negative cocci morphology

Anaerobic growth

Which of the following bacteria is found in the intestinal tracts of humans, cattle, sheep, dogs, cats, and poultry?

Campylobacter jejuni Signup and view all the answers

Which bacterium is responsible for causing meningococcal disease?

Neisseria meningitidis Signup and view all the answers

Which bacterium is characterized by Gram-negative curved, helical or spiral morphology and causes cholera?

Vibrio cholerae Signup and view all the answers

What is the primary mode of transmission for Campylobacter jejuni?

Contaminated water Signup and view all the answers

What is a distinguishing feature of Helicobacter pylori?

Urease-positive Signup and view all the answers

Which disease is commonly associated with Helicobacter pylori infection?

Chronic gastritis and duodenal ulcers Signup and view all the answers

At what temperature is Helicobacter pylori cultured?

37°C Signup and view all the answers

What is the primary mode of transmission for Helicobacter pylori?

Fecal-oral Signup and view all the answers

What is the most common cause of infectious diarrhea worldwide in the U.S.?

Campylobacter enteritis Signup and view all the answers

What is the method used for diagnosing Helicobacter pylori involving the patient swallowing labeled 13C-urea?

Urea breath test Signup and view all the answers

What is the main treatment regimen for Helicobacter pylori infection known as triple therapy?

Omeprazole + amoxicillin + clarithromycin Signup and view all the answers

What does the result of a urease breath test indicate in relation to H. pylori infection?

The absence of H. pylori in the stomach Signup and view all the answers

What is one of the complications associated with Campylobacter jejuni infection?

Reactive arthritis (HLA-B27) Signup and view all the answers

Medical Bacteriology II: Gram Negative Bacteria

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Questions and Answers

Which of the following is a Gram-negative cocci bacterium?

Which bacterium is characterized by Gram-negative curved rods with polar flagella known as 'gulls’ wings'?

What is the distinguishing feature of Helicobacter pylori?

Which of the following bacteria is found in the intestinal tracts of humans, cattle, sheep, dogs, cats, and poultry?

Which bacterium is responsible for causing meningococcal disease?

Which bacterium is characterized by Gram-negative curved, helical or spiral morphology and causes cholera?

What is the primary mode of transmission for Campylobacter jejuni?

What is a distinguishing feature of Helicobacter pylori?

Which disease is commonly associated with Helicobacter pylori infection?

At what temperature is Helicobacter pylori cultured?

What is the primary mode of transmission for Helicobacter pylori?

What is the most common cause of infectious diarrhea worldwide in the U.S.?

What is the method used for diagnosing Helicobacter pylori involving the patient swallowing labeled 13C-urea?

What is the main treatment regimen for Helicobacter pylori infection known as triple therapy?

What does the result of a urease breath test indicate in relation to H. pylori infection?

What is one of the complications associated with Campylobacter jejuni infection?

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