**Core Concept:** Tetanus is a life-threatening bacterial infection caused by Clostridium tetani spores entering the body through open wounds, leading to production of neurotoxins and neuromuscular hyperactivity. Complete tetanus immunization provides immunity against tetanus.

**Why the Correct Answer is Right:** In this scenario, the patient has a contaminated wound and a fracture but has completed tetanus immunization 13 years ago. While tetanus can still occur in immunized individuals, the risk is significantly reduced. The primary concern is the wound infection, as tetanus spores can be present in soil and dust. Appropriate wound management, such as debridement, cleaning, and covering with sterile dressings, is crucial.

**Why Each Wrong Option is Incorrect:**

A. Incorrect as tetanus vaccine duration is usually 10 years, not 8 hours.
B. Incorrect as tetanus vaccination provides immunity, not risk of infection.
C. Incorrect as tetanus vaccination provides immunity, not risk of infection.
D. Incorrect as tetanus vaccination provides immunity, not risk of infection.

**Clinical Pearl:** Tetanus is a severe medical emergency, and prompt management of the contaminated wound is essential, including wound debridement, cleaning, and covering with sterile dressings. Incomplete tetanus immunization, vaccine duration, and tetanus infection risk are not relevant in this scenario.

**Correct Answer:** D. Appropriate wound management is crucial in this scenario, regardless of the patient's tetanus vaccination history or duration. The patient should receive wound care, such as debridement, cleaning, and covering with sterile dressings.