Pathophysiology Exam 1 What are T lymphocytes and B lymphocytes? - T lymphocytes protect against infections called from the thymus B lymphocytes are from the bone Both are memory cells remembering antigens What are macrophages? - White blood cells that consume pathogens Risk factors for cancer: - Age, genetics, tobacco, alcohol, sun exposure, gender, HPD Where are leukocytes and red blood cells formed? - Bone marrow, Hematopoiesis (Developing blood cells) What is Rheumatoid arthritis? - An autoimmune inflammatory disease in the joints. Can be genetic, systemic, and bilateral Rheumatoid arthritis clinical manifestation? - Knees, hands, felling stiff, aching, swelling, redness, and temperature