Multiple choice

Which of the following do/does not characterise active immunity?

  1. Immunity achieved by injecting antigens

  2. Activation of immune system

  3. Immunity achieved by injecting Ab or Ig reactive T-cells

  4. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Active immunity is stimulated by exposure to pathogens but Ab and Ig mediated immune response is passive as it is not directly implemented by pathogens.

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