Which of the following statements about accidental tetanus is correct? I- It is considered an acute contagious infectious disease. II- Preventable...

Which of the following statements about accidental tetanus is correct?

I- It is considered an acute contagious infectious disease.
II- Preventable by vaccine, caused by the action of exotoxins produced by Clostridium tetani (C. tetani).
III- The disease is not transmitted from person to person.
IV- The incubation period is usually 3 to 21 days.
a) I and II only.
b) III only.
c) I and III only.
d) II only.
e) I, II and IV only.