A 2-year-old had been treated three times with ampicillin for acute otitis media. Fluid aspirated from his middle ear during placement of tympanostomy tubes grows Moraxella catarrhalis, which is resistant to ampicillin. Which enzyme is responsible for this resistance?
A 2-year-old had been treated three times with ampicillin for acute otitis media. Fluid aspirated from his middle ear during placement of tympanostomy tubes grows Moraxella catarrhalis, which is resistant to ampicillin. Which enzyme is responsible for this resistance?
💡 Explanation
A 2-year-old had been treated three times with ampicillin for acute otitis media. Fluid aspirated from his middle ear during placement of tympanostomy tubes grows Moraxella catarrhalis, which is resistant to ampicillin. Which enzyme is responsible for this resistance?
✓ Correct Answer: B. b-Lactamase
📤 Share this MCQ
Share Card Preview
👆 1080x1080 square card — fills the full width in WhatsApp and Telegram