In Hans Selye's rat study, rats that were exposed to stressors over a long period of time showed signs of
O adrenal enlargement, thymus and lymph node shrinkage, and stomach ulceration
O adrenal shrinkage, thymus and lymph node enlargement, and stomach ulceration
O adrenal dissipation, thymus and lymph node mortification, and constipation
O adrenal enlargement, thymus and lymph node enlargement, and stomach ulceration