Microbiology Quiz: Bacteria and Infections
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Questions and Answers

Which of the following is classified as a Gram-negative anaerobic rod?

  • *Rickettsia rickettsii*
  • *Neisseria meningitidis*
  • *Francisella tularensis*
  • *Fusobacterium* (correct)

Which bacterium is most associated with causing trachoma, a condition leading to blindness?

  • *Brucella melitensis*
  • *Moraxella lacunata*
  • *Chlamydia pneumoniae*
  • *Chlamydia trachomatis* (correct)

Which of these diseases is NOT directly transmitted by a tick?

  • Endemic murine typhus (correct)
  • Rocky Mountain spotted fever
  • Septicemia
  • Ehrlichiosis

Which of the following bacterial species is known to be found in the milk of goats and sheep?

<p><em>Brucella melitensis</em> (C)</p> Signup and view all the answers

Which Gram-negative bacteria is associated with causing meningitis?

<p><em>Neisseria meningitides</em> (C)</p> Signup and view all the answers

Which bacterium is known to cause peptic ulcers?

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

Which of the following bacteria is NOT associated with urinary tract infections, according to the text?

<p>Escherichia coli (B)</p> Signup and view all the answers

Which disease is caused by Treponema pallidum?

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

Which of the following bacteria is a common cause of gastroenteritis?

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

Which bacterial infection is linked to both wound infections, and lung infection?

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

Which of these bacteria is considered a 'G-ve spirochete'?

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

Which infection is specifically associated with Bordetella pertussis?

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

Which of the following is NOT a disease caused by bacteria in the Enterobacteriaceae family?

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

Flashcards

Gram-negative Bacteria Classification

Gram-negative bacteria grouped by their shape, including rod-shaped and coccobacilli, as well as their associated diseases.

Bacteroides

A genus of strictly anaerobic, rod-shaped Gram-negative bacteria commonly found in the human gut. They are often implicated in deep tissue and crevice infections.

Neisseria

A genus of Gram-negative cocci responsible for infections like meningitis and gonorrhea.

Chlamydia

A genus of intracellular bacteria known to cause diseases like trachoma and pneumonia.

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Rickettsia

A genus of bacteria known to cause a range of diseases, including rickettsialpox and Rocky Mountain spotted fever.

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Gram-negative spiral bacteria

A type of bacteria with a spiral shape and a gram-negative staining characteristic.

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Campylobacter jejuni

A common bacterial infection that causes diarrhea and abdominal cramps. It's often associated with contaminated food or water.

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Helicobacter

A type of bacteria that causes peptic ulcers, primarily affecting the stomach and duodenum.

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Treponema pallidum

A bacterial infection that causes syphilis, a sexually transmitted disease with various stages and potential complications.

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Borrelia burgdorferi

A type of bacteria that causes Lyme disease, a tick-borne illness with symptoms like fever, rash, and joint pain.

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Leptospira interrogans

A type of bacteria that causes leptospirosis, a disease transmitted through contact with urine from infected animals.

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Legionella pneumophila

A type of bacteria that causes Legionella pneumonia, a lung infection particularly dangerous in immunocompromised individuals.

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Bordetella pertussis

A type of bacteria that causes whooping cough, a highly contagious respiratory infection characterized by a distinctive cough with a whooping sound.

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