Quiz: Acquired Immunity
Question 1 of 3  

Acquired (adaptive or specific) immunity is not present at birth. It is learned by a person's immune system after which of the following occurs?

  • A.

    An antigen enters the body and is encountered by components of the immune system.

  • B.

    An antibody enters the body and is attacked by the immune system.

  • C.

    The body makes antigens that are attacked by its own immune system.

  • D.

    The body makes antibodies that are attacked by a new allergen.

Am I correct?