Medical Bacteriology II: Gram Negative Bacteria

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

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?

<p>Campylobacter jejuni (A)</p> Signup and view all the answers

Which bacterium is responsible for causing meningococcal disease?

<p>Neisseria meningitidis (A)</p> Signup and view all the answers

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

<p>Vibrio cholerae (D)</p> Signup and view all the answers

What is the primary mode of transmission for Campylobacter jejuni?

<p>Contaminated water (C)</p> Signup and view all the answers

What is a distinguishing feature of Helicobacter pylori?

<p>Urease-positive (A)</p> Signup and view all the answers

Which disease is commonly associated with Helicobacter pylori infection?

<p>Chronic gastritis and duodenal ulcers (D)</p> Signup and view all the answers

At what temperature is Helicobacter pylori cultured?

<p>37°C (A)</p> Signup and view all the answers

What is the primary mode of transmission for Helicobacter pylori?

<p>Fecal-oral (A)</p> Signup and view all the answers

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

<p>Campylobacter enteritis (B)</p> Signup and view all the answers

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

<p>Urea breath test (B)</p> Signup and view all the answers

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

<p>Omeprazole + amoxicillin + clarithromycin (B)</p> Signup and view all the answers

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

<p>The absence of H. pylori in the stomach (D)</p> Signup and view all the answers

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

<p>Reactive arthritis (HLA-B27) (D)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Browser