What path describes the movement of oxygenated blood leaving the heart? use the standard image of the heart to guide you. a) left atrium—> left ventricle—> aorta b) left ventricle—> left atrium—> pulmonary artery c) right atrium—> right ventricle—> pulmonary artery d) right ventricle—> right atrium —> aorta

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.