Home pregnancy test kits work by detecting the presence of a hormone in a woman's urine. recently developed test kits include an indicator of how long the woman has been pregnant (1-2, 2-3, or 3 weeks). the presence of would indicate that a woman is pregnant, and levels of this hormone would indicate that she is farther along in her pregnancy.

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.