When you walk across a carpet, you become negatively charged. why do you receive a shock when you touch a metal door handle? electrons jump from you to the handle protons jump from you to the handle electrons jump from the handle to you protons jump from the handle to you

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.