Which antibiotic is often ineffective against Pseudomonas aeruginosa?

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Question: Which antibiotic is often ineffective against Pseudomonas aeruginosa?

Options:

Correct Answer: Vancomycin

Solution:

Vancomycin is often ineffective against Pseudomonas aeruginosa, as it is primarily effective against Gram-positive bacteria.

Which antibiotic is often ineffective against Pseudomonas aeruginosa?

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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