Gonorrhoeae and Gram-Negative Bacteria Quiz
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Questions and Answers

Which of the following is a virulence factor of Neisseria gonorrhoeae?

  • Endospores
  • Mycelium
  • Capsule (correct)
  • None of the above

What is the cause of gonorrhea?

  • Haemophilus ducreyi
  • Neisseria gonorrhoeae (correct)
  • Treponema pallidum
  • Chlamydia trachomatis

What is a common symptom of gonorrhea in males?

  • Back pain
  • Painful urination
  • Painful purulent discharge from the urethra (correct)
  • Abdominal cramping

What is the primary symptom of gonorrhea in females?

<p>Often asymptomatic (D)</p> Signup and view all the answers

Which antigen on the surface of enteric bacteria is associated with the flagellar protein?

<p>H antigen (D)</p> Signup and view all the answers

E.coli O157:H7 is known for producing which dangerous exotoxin?

<p><code>Shiga toxin</code> (C)</p> Signup and view all the answers

E.coli, although common in the GI tract, can cause which of the following conditions?

<p><code>Urinary tract infections</code> (B)</p> Signup and view all the answers

E.coli O157:H7 is commonly found in which animals?

<p><code>Cows, deer, and swine</code> (D)</p> Signup and view all the answers

Which disease is caused by Yersinia pestis?

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

What is a characteristic symptom of bubonic plague?

<p>Swollen lymph nodes (C)</p> Signup and view all the answers

What leads to near 100% mortality in septicemic plague?

<p>Bruising and DIC (D)</p> Signup and view all the answers

What is a common method of transmission for Streptobacillus moniliformis?

<p>Occupational contact with rodents (D)</p> Signup and view all the answers

Which cycle is endemic in sylvan areas according to the text?

<p>Sylvan cycle (B)</p> Signup and view all the answers

What is a typical symptom of rat-bite fever?

<p>Rash and arthritis (D)</p> Signup and view all the answers

How is P.multocida usually transmitted to people?

<p>Bites or scratches from animals (B)</p> Signup and view all the answers

What misconception may occur about Streptobacillus moniliformis in misdiagnoses?

<p>'Fever of unknown origin' (C)</p> Signup and view all the answers

What is a classical sign of Brucella infection?

<p>Foul-smelling perspiration (A)</p> Signup and view all the answers

How does Brucella exhibit a tendency to persist in the human host?

<p>By inhibiting programmed cell death (C)</p> Signup and view all the answers

What is the major virulence factor of H.influenzae?

<p>Presence of capsules (B)</p> Signup and view all the answers

Which disease is caused by Bordetella pertussis?

<p>Whooping cough (B)</p> Signup and view all the answers

What does Pertussis toxin affect in cell signaling?

<p>Cell signaling (A)</p> Signup and view all the answers

What is a common route of transmission for Brucella zoonosis?

<p>Consuming unpasteurized milk products (B)</p> Signup and view all the answers

What is the cause of cholera?

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

How does Borrelia recurrentis spread?

<p>Spread by lice or ticks (A)</p> Signup and view all the answers

What is the primary symptom of Borrelia infection?

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

What enzyme does Helicobacter pylori produce that neutralizes stomach acid?

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

How do patients with cholera usually die?

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

Which bacterium is responsible for causing ulcers and gastritis?

<p>Helicobacter pylori (D)</p> Signup and view all the answers

Which Gram-negative bacteria is known to be very common in the environment and is the most dangerous due to its ability to cause disease anywhere in the body?

<p>Pseudomonas aeruginosa (A)</p> Signup and view all the answers

Which Gram-negative bacteria is the cause of tularemia, also known as rabbit fever?

<p>Francisella tularensis (A)</p> Signup and view all the answers

Which Gram-negative bacteria is commonly found in aquatic environments such as ponds, cooling towers, and showers?

<p>Legionella pneumophila (B)</p> Signup and view all the answers

Which of the following Gram-negative bacteria grows normally in amoebae and is most dangerous as an opportunistic pneumonia?

<p>Legionella pneumophila (C)</p> Signup and view all the answers

Which type of Gram-negative bacteria are mostly anaerobic and found mainly in the gastrointestinal tract?

<p>Bacteroides sp (A)</p> Signup and view all the answers

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