The principle of Vaccination and Immunization | vedclass

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(A) The principle of Vaccination and Immunization is based on the property of 'memory' of the immune system.In vaccination,a preparation of antigenic

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Memory

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(A) The principle of Vaccination and Immunization is based on the property of 'memory' of the immune system.In vaccination,a preparation of antigenic proteins of pathogens or inactivated/weakened pathogens (vaccine) is introduced into the body.The antibodies produced in the body against these antigens neutralize the pathogenic agents during an actual infection.The vaccine also generates memory $B$ and $T$ cells that recognize the pathogen quickly upon subsequent exposure and overwhelm the invaders with a massive production of antibodies.If a person is infected with deadly microbes for which a quick immune response is required,such as in tetanus,we need to inject preformed antibodies or antitoxins.In the case of a snake bite,the injection given to the patient contains preformed antibodies against the snake venom. This type of immunization is called passive immunization.

List-$I$	List-$II$
$(a)$ Antibody	$(i)$ Cell-mediated immunity
$(b)$ $B$-lymphocytes	$(ii)$ Humoral immune response
$(c)$ $T$-lymphocytes	$(iii)$ $H_2L_2$
$(d)$ $T$-cells help $B$ cells to produce them	$(iv)$ Army of proteins

The principle of Vaccination and Immunization is based on which property of the immune system?

Similar Questions

Match List-$I$ with List-$II$:

List-$I$ List-$II$

$(a)$ Antibody $(i)$ Cell-mediated immunity

$(b)$ $B$-lymphocytes $(ii)$ Humoral immune response

$(c)$ $T$-lymphocytes $(iii)$ $H_2L_2$

$(d)$ $T$-cells help $B$ cells to produce them $(iv)$ Army of proteins

What are antigens composed of?

Antigen binding site is present in

$MALT$ constitutes about ................. of the lymphoid tissue in the human body. (in $\%$)

Cytotoxic $T$-cells are . . . . . . .

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