$.........$ is responsible for graft rejection.

Consider the following four statements $(i-iv)$ regarding kidney transplantation and select the two correct ones.
$(i)$ Even if a kidney transplant is successful,the recipient needs to take immunosuppressants for a long time.
$(ii)$ Cell-mediated immune response is responsible for the rejection of the graft.
$(iii)$ $B$-lymphocytes are responsible for the rejection of the graft.
$(iv)$ The acceptance or rejection of a transplanted kidney depends on specific interferons.

What is produced in innate immunity to prevent the entry of foreign agents into the body?

Which of the following statements is correct regarding antibodies?

Interferons were first discovered from cells infected with which of the following?

If you suspect a major deficiency of antibodies in a person,to which of the following would you look for confirmatory evidence?