10 Questions
What is the primary function of the extracellular enzyme elastase in Pseudomonas aeruginosa?
Facilitating invasion into the blood
Why is Pseudomonas aeruginosa a major cause of nosocomial infections?
Because it can withstand disinfectants and antibiotics
Which of the following is a characteristic of Pseudomonas aeruginosa that makes it a challenging pathogen to treat?
Its broad antibiotic resistance
What is the primary site of infection in patients with cystic fibrosis infected with Pseudomonas aeruginosa?
Respiratory tract
Which of the following is a complication of Pseudomonas aeruginosa infection in diabetic patients?
Malignant otitis externa
What is the role of pyocyanin in Pseudomonas aeruginosa infection?
Damaging cilia and causing cell death
Which of the following is a feature of Pseudomonas aeruginosa that makes it a difficult target for vaccine development?
Its ability to form adherent biofilms
What is the most common type of infection caused by Pseudomonas aeruginosa in hospital settings?
Ventilator-associated pneumonia
Which of the following is a risk factor for Pseudomonas aeruginosa infection?
All of the above
What is the mechanism of action of Exotoxin A in Pseudomonas aeruginosa infection?
Inhibiting protein synthesis
Test your knowledge on Streptococcus Pneumoniae, also known as pneumococci, and its characteristics, including its Gram-positive diplococci arrangement, alpha haemolysis, and sensitivity to optochin. Learn about its virulence factors, such as polysaccharide capsule, IgA protease, and pneumolysin.
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