While on a call you receive a laceration to your thigh from a jagged piece of metal. Which of the ...

While on a call you receive a laceration to your thigh from a jagged piece of metal. Which of the following is the correct recommendation for tetanus prophylaxis?
A) You must receive a tetanus booster annually to be protected from tetanus.
B) You should receive a tetanus booster if you have not had one in the past ten years.
C) If you are over the age of 60, you should receive tetanus immune globulin but not a tetanus booster.
D) If you received the entire series of tetanus immunizations as a child, you do not need a tetanus booster.