Antigen-sensitized cells that remain in circulation for long periods of time are called:

Question

Quizplus · Accepted Answer

Memory cells are antigen-sensitized cells that remain in circulation for long periods of time. They provide a rapid and effective response to future encounters with the same pathogen. Platelets and erythrocytes are not antigen-sensitized cells and do not have a role in adaptive immunity. Leukocytes are a broad category of immune cells that include memory cells, but the question is specifically asking for the cells that remain in circulation, which excludes some types of leukocytes that move in and out of tissues.

Antigen-Sensitized Cells That Remain in Circulation for Long Periods of Time