Which statement about Trimethoprim and Sulfamethoxazole is true? A) It targets anaerobic bacteria primarily. B) It is a bacteriostatic antibiotic. C) It only treats gram-negative i... Which statement about Trimethoprim and Sulfamethoxazole is true? A) It targets anaerobic bacteria primarily. B) It is a bacteriostatic antibiotic. C) It only treats gram-negative infections. D) It forms toxic free radical metabolites that damage DNA.
Understand the Problem
The question is asking to identify the true statement regarding the antibiotics Trimethoprim and Sulfamethoxazole from the given options, which involves understanding their mechanism of action and spectrum of activity.
Answer
It is a bacteriostatic antibiotic.
The correct statement is B) It is a bacteriostatic antibiotic.
Answer for screen readers
The correct statement is B) It is a bacteriostatic antibiotic.
More Information
Trimethoprim and Sulfamethoxazole work together to inhibit bacterial growth, making them bacteriostatic antibiotics. They are used to treat a range of bacterial infections but are not specific to only gram-negative bacteria nor solely target anaerobic bacteria.
Tips
A common mistake is confusing bacteriostatic with bactericidal antibiotics. Ensure to understand the definitions: bacteriostatic antibiotics inhibit the growth of bacteria, while bactericidal antibiotics kill bacteria.
Sources
- Trimethoprim Sulfamethoxazole - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Sulfamethoxazole-Trimethoprim - LiverTox - NCBI Bookshelf - ncbi.nlm.nih.gov
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