A 25-year-old male presents to the emergency department after being bitten by a raccoon in a suburban area. The bite is located on his forearm, showing minimal tissue damage. What is the most appropriate next step in the management of this patient?
Disregard the wound due to minimal tissue damage.
Administer a broad-spectrum antibiotic as a sole intervention.
Administer rabies post-exposure prophylaxis immediately.
Observe the animal's behavior for 10 days.