A 40-year-old healthy woman presents to the emergency department 6 hours after being bitten by her household cat. The cat is healthy and has received all of its vaccinations. She has no medical conditions, takes no medications, and has no known drug allergies. Her last tetanus-containing vaccine was 3 years ago. On examination, there is a 5-mm deep puncture wound over the dorsum of the right hand at the third metacarpal, with 3 cm of surrounding erythema, swelling, and marked tenderness. Active and passive finger movement is normal and painless, and there is no lymphangitic streaking.
| Heart rate | 84/min |
| Respiratory rate | 14/min |
| Temperature | 37.2 °C |
| O2 saturation | 99%, room air |
| Blood pressure | 122/76 mm Hg |
Question 1 of 12
Which one of the following is the most appropriate antibiotic for this patient?
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