Answer: Separate injections of tetanus toxoid and tetanus antitoxin in different sites on this visit to ensure active and passive immunization.
Step-by-step explanation:
Toxiod tetanus is an inactive tetanus which is a kind of vaccine which can be used to prevent the tetanus. Also tetanus antitoxin can also be used, it is a sterile, concentrated protein solution which consists of antibodies that are obtain from the plasma or blood serum from healthy horses. Both of these formulations can help in inducing the active and passive immunity in the body against tetanus.
According to the given situation, the two formulations tetanus toxoid and tetanus antitoxin can be helpful in saving the patient against tetanus affected by severe lacerations.