1. Motivation is defined by psychologists as an impulse to accomplish something of significance.
B) rigidly patterned behavior characteristic of all people.
C) a need or desire that energizes and directs behavior toward a goal.
D) the cause of behavior.
E) an external reward or goal that pushes a person toward accomplishments.

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.