Write a note on artificial acquired acti...

Write a note on artificial acquired active immunity.

Text Solution

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1. Artificial acquired active immunity is produced through vaccinations.
2. Vaccines are produced from dead or live but attenuated pathogens or toxoids that have microbial components secreted by the pathogens.
3. Such vaccines are introduced into the body to stimulate the formation of antibodies by the immune system.
4. E.g. vaccines of polio or BCG produce artificial acquired active immunity.

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Active immunity is

borrowed from an active disease case

developed in direct response to a disease agent

the product of borrowed antibodies

passive immunity that is activated

Assertion : Artificially acquired passive immunity results when antibodies or lymphocytes produced outside the host are introduced into a host. Reason : A bone marrow transplant given to a patient with genetic immunodeficiency is an example of artificially acquired active immunity.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion.

If assertion is true but reason is false.

If both assertion and reason are false.

Active immunity means

Resistance developed after disease

Resistance developed before disease

Increasing rate of heart beat

Increasing quantity of blood