A snake toxin can be used to produce an antiserum by injecting the toxin into a horse. A few weeks afterwards, the antiserum is prepared from blood plasma removed from the horse. This antiserum is then injected into a person who has been bitten by the same species of snake. Which type of immunity results from the use of this antiserum?
- Aartificial active
- Bartificial passive
- Cnatural active
- Dnatural passive