Which antibiotic is often ineffective against Pseudomonas aeruginosa?

Practice Questions

Q1
Which antibiotic is often ineffective against Pseudomonas aeruginosa?
  1. Ciprofloxacin
  2. Piperacillin
  3. Vancomycin
  4. Ceftazidime

Questions & Step-by-Step Solutions

Which antibiotic is often ineffective against Pseudomonas aeruginosa?
  • Step 1: Understand what Pseudomonas aeruginosa is. It is a type of bacteria that can cause infections.
  • Step 2: Learn about antibiotics. They are medicines used to treat bacterial infections.
  • Step 3: Know that there are different types of bacteria, such as Gram-positive and Gram-negative.
  • Step 4: Recognize that Vancomycin is an antibiotic that works mainly against Gram-positive bacteria.
  • Step 5: Conclude that since Pseudomonas aeruginosa is a Gram-negative bacterium, Vancomycin is often ineffective against it.
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