Q: What are long living plasma cells called?


Read this paragraph and choose the correct option from the provided answers:

Most plasma cells live for just a few days, but some of them live much longer. They may even survive for the lifetime of the individual. Long-living plasma cells are called memory cells. They retain a “memory” of a specific pathogen long after an infection is over. They help launch a rapid response against the pathogen if it invades the body again in the future.

 Choices:

- device cells

- context cells

- brain Cells

- memory cells


A:
memory cells