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  • How does vaccination work?Option: 1 The immune system produces the antibodies which stay in the blood.O

How does vaccination work?

Option: 1

The immune system produces the antibodies which stay in the blood.


Option: 2

Memory lymphocytes are produced which persist in the body.


Option: 3

The vaccine stays in the blood and constantly stimulates the immune system.


Option: 4

All of these


Answers (1)

best_answer

 

 

As discussed in  Vaccination & Immunisation -

  •  Vaccination is a process by which specific antibodies are developed in a normal man to immune the body from specific disease caused due to pathogens.
  • A preparation of antigenic proteins of pathogen or inactivated/weakened pathogen (vaccine) are introduced into the body.
  • The antibodies produced in the body against these antigens would neutralize the pathogenic agents during actual infection. 
  • The vaccines also generate memory – B and T-cells that recognize the pathogen quickly on subsequent exposure and overwhelm the invaders with a massive production of antibodies.

Hence, the correct answer is option d.
 

Posted by

seema garhwal

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