Final answer:
The initial treatment for tetanus in a fully immunized person with a puncture wound is to clean the wound and administer a tetanus toxoid booster.
Step-by-step explanation:
The initial treatment for tetanus in a fully immunized person with a puncture wound is to clean the wound and administer a tetanus toxoid booster. This is option 1. Tetanus toxoid is a vaccine that helps prevent tetanus infection and a booster shot helps ensure that the person's immunity is maintained. It is important to clean the wound to remove any bacteria or dirt that can potentially cause infection.