A 56 yo man presents with a penetrating wound to his leg from a wooden stake. The wound is contaminated with debris. His last tetanus booster was 12 years ago, but records reliably indicate he's had 3 doses of tetanus vaccine. The most appropriate anti-tetanus regimen for him is:

Correct Answer: C

Rationale: For a contaminated wound and >10 years since last booster, ADT is recommended if previously vaccinated (≥3 doses), per CDC guidelines.

Correct Answer: C

Rationale: A medium flow with warm water balances effective rinsing and comfort while avoiding skin irritation.

Correct Answer: C

Rationale: History and physical exam are critical for diagnosing IV-related bacteremia, making C the wrong statement. The others are incorrect in context but C is explicitly false.

Correct Answer: D

Rationale: Accurate analysis requires proper collection, preservation, and processing, making D correct.

Correct Answer: A

Rationale: Hands are the primary vehicle for transmitting pathogens in healthcare settings due to frequent contact.