NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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Prepare to ace the NAPLEX. Utilize flashcards and multiple choice questions with hints and explanations. Equip yourself thoroughly for the exam!

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Which of the following is a cell wall inhibitor antibiotic?

Vancomycin
Levofloxacin
Amphotericin B
Isoniazid

The correct answer is: Vancomycin

A) Vancomycin is a cell wall inhibitor antibiotic that works by preventing bacteria from producing cell walls, ultimately leading to their death. It is effective against Gram-positive bacteria but not against Gram-negative bacteria. B) Levofloxacin is a type of fluoroquinolone antibiotics that are used to target bacterial enzymes responsible for DNA synthesis, resulting in bactericidal effects. It does not inhibit cell wall synthesis. C) Amphotericin B is an antifungal medication and is not used as a cell wall inhibitor antibiotic. D) Isoniazid is primarily used for the treatment of tuberculosis and works by inhibiting the synthesis of mycolic acids in the cell walls of the bacteria. It is not used as a broad-spectrum cell wall inhibitor antibiotic.