Which cells quickly respond to produce antibodies on second exposure to the same antigen?

Answer:b-cells produce antibodies or (memory b-cells)

Explanation:B cells are one of the two types of lymphocytes, the other kind being T cells. B-cells have a very specific function: the production of antibodies, which play a major role in immunity. Memory cells remember specific foreign invaders, pathogens, and antigens to fight them off if they come back in the future.