Bacteriology Quiz: Gram-Negative Pathogens

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Questions and Answers

Which of these is a Gram-negative cocci?

  • *Neisseria meningitides* (correct)
  • *R. rickettsii*
  • *Francisella tularensis*
  • *Fusobacterium*

What is Chlamydia trachomatis associated with?

  • Mild pneumonia
  • Trachoma (correct)
  • Rocky Mountain spotted fever
  • Epidemic typhus

Which of the following is a disease transmitted by lice?

  • Endemic murine typhus
  • Epidemic typhus (correct)
  • Ehrlichiosis
  • Psittacosis

Which of these is NOT a disease associated with Gram-negative bacteria mentioned in the text?

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

Which bacteria is found in goat and sheep milk?

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

Which bacterium is associated with causing peptic ulcers?

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

What disease is caused by Borrelia burgdorferi?

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

Which of the following is NOT a disease caused by Pseudomonas aeruginosa?

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

Which bacterium is linked to causing dysentery?

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

Which of the following bacteria is classified as a G-ve spiral?

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

Which type of infection are Enterobacter, E. cloacae, and E. aerogenes commonly associated with?

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

Vibrio cholerae is the causative agent of what disease?

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

Which of the following is a disease associated with Salmonella?

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

Flashcards

Gram-Negative Bacteria

Gram-Negative bacteria are a group of bacteria that stain pink with Gram staining. They are associated with a wide range of diseases, including those affecting the respiratory system, skin, and reproductive system.

Gram-Negative Anaerobic Rods

These are rod-shaped bacteria that can cause serious infections, particularly in the gut.

Neisseria

A genus of bacteria that can cause Meningitis, a serious infection of the brain and spinal cord.

Sexually Transmitted Diseases (STDs)

This type of infection is common in the reproductive tract and is associated with various sexually transmitted diseases.

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Chlamydia

A genus of bacteria that includes various species that cause diseases such as pneumonia, conjunctivitis, and trachoma.

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Gram-negative Spiral Bacteria

A type of bacteria characterized by a spiral shape and negative staining with Gram stain.

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Helicobacter

A genus of bacteria known for causing peptic ulcers.

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Treponema pallidum

A genus of bacteria known for causing a sexually transmitted infection known as syphilis.

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Borrelia burgdorferi

A genus of bacteria responsible for Lyme disease, a tick-borne illness.

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Legionella pneumophila

A genus of bacteria known for causing Legionnaires' disease, a type of pneumonia.

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Bordetella pertussis

A genus of bacteria known for causing whooping cough, a respiratory infection.

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Pseudomonas aeruginosa

A genus of bacteria that can cause various infections, including wound and burn infections, sepsis, pneumonia, and urinary tract infections.

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Enterobacteriaceae

A family of bacteria that includes many species that can cause intestinal infections, urinary tract infections, and pneumonia.

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