Define Acquired immunity.

Select the correct statements regarding the characteristics of acquired immunity. (i) Cell-mediated immunity is responsible for acquired immunity. (ii) It produces a primary response of low intensity. (iii) Active and passive immunity are types of acquired immunity, (iv) Polymorphonuclear leucocytes and natural killer cells are involved in acquired immunity.

Differentiate the following and give examples of each. a. Innate and acquired immunity b. Active and passive immunity

Write down the unique features of acquired immunity?

Define immunity.

Define humoral immunity.

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.

Assertion : Active immunity is acquired through the use of a person's immune responses, which lead to the development of memory cells. Reason : Active immunity results from an infection or an immunization.

Define cell mediated immunity.

Differentiate between cell mediated Immunity and Antibody Mediated Immunity.

Differentiate between humoral immunity and cell-mediated immunity.