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Pseudomonas Virulence Factors and Diseases Quiz

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Pseudomonas Virulence Factors and Diseases Quiz

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Questions and Answers

Which of the following is a virulence factor of Pseudomonas?

Gram-positive rods

Yellow-green pigment

Endotoxin (LPS) (correct)

Smooth colonies

Which disease is commonly caused by Pseudomonas aeruginosa?

Pneumonia (correct)

Otitis

Influenza

Meningitis

How can Pseudomonas aeruginosa be identified on selective media?

White colonies

Red colonies

Blue-green colonies (correct)

Purple colonies

Which pigment is produced by Pseudomonas aeruginosa?

Fluorescent Yellow-green pigment Signup and view all the answers

How is Pseudomonas aeruginosa distinguished from other bacteria?

Acetamide positive Signup and view all the answers

Which of the following is a function of Pseudomonas aeruginosa's mucoid exopolysaccharide (slime)?

Preventing phagocytosis Signup and view all the answers

What is the main role of Pseudomonas aeruginosa's exotoxin A?

Disrupting protein synthesis Signup and view all the answers

Which of the following is a characteristic of Pseudomonas aeruginosa colonies on MacConkey agar?

Mucoid and runny Signup and view all the answers

What is the distinguishing feature of Pseudomonas aeruginosa on selective media?

Acetamide positive Signup and view all the answers

Which of the following diseases is commonly caused by Pseudomonas aeruginosa?

Respiratory infection Signup and view all the answers

Study Notes

Pseudomonas Aeruginosa Characteristics

Exotoxin A is a virulence factor of Pseudomonas aeruginosa
Pseudomonas aeruginosa is a common cause of urinary tract infections, respiratory infections, and sepsis
On selective media, Pseudomonas aeruginosa can be identified by its ability to grow and produce a characteristic pigment
Pseudomonas aeruginosa produces a pigment called pyocyanin
Pseudomonas aeruginosa can be distinguished from other bacteria by its ability to oxidize glucose
The mucoid exopolysaccharide (slime) produced by Pseudomonas aeruginosa provides protection from the host's immune system
The main role of Pseudomonas aeruginosa's exotoxin A is to inhibit protein synthesis in host cells
On MacConkey agar, Pseudomonas aeruginosa colonies are lactose-negative
The distinguishing feature of Pseudomonas aeruginosa on selective media is its ability to grow and produce a characteristic pigment

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Description

Test your knowledge on Pseudomonas virulence factors and associated diseases. Learn about endotoxin, pili, exopolysaccharide, exotoxin A, phospholipase C, protease, and elastase. Explore how Pseudomonas aeruginosa causes respiratory infections, particularly in CF patients.