Select the correct statement with respect to diseases and immunisation.
Injection of dead / inactivated pathogens causes passive immunity.
Certain protozoans have been used to mass produce hepatitis B vaccine.
Injection of snake antivenom against snake bite is an example of active immunisation.
If due to some reason B- and T-lymphocytes are damaged, the body will not produce antibodies against a pathogen.

Question

Select the correct statement with respect to diseases and immunisation.
Injection of dead / inactivated pathogens causes passive immunity.
Certain protozoans have been used to mass produce hepatitis B vaccine.
Injection of snake antivenom against snake bite is an example of active immunisation.
If due to some reason B- and T-lymphocytes are damaged, the body will not produce antibodies against a pathogen.

Toppr Admin · Accepted Answer

The immune response depends on B and T cells interacting with each other to provide an effective defence- T cells are the coordinators and they stimulate B cells to divide and secrete antibodies into the blood - these antibodies destroy on the antigenic pathogens and the T cells then seek out and kill any of the body-apos-s own cells-