Davis Advantage for Pathophysiology: Introductory Concepts and Clinical Perspectives 2nd Edition Theresa Capriotti DO, MSN, CRNP, RN. Exam 2 Macrophages ANSWER: first line of defense against foreign invaders, or antigens. they engulf, ingest, and enzymatically break down foreign matter. Ex. Bacteria, Pollen, viruses, and fungi B lymphocytes and T lymphocytes ANSWER: attack specific antigens while maintaining a memory of these antigens for future defense Lymphomas and Leukemias ANSWER: neoplastic disorders that affect WBC's Neoplastic - abnormal growth of cells Lymphomas ANSWER: solid tumors of lymphoid cells, affect approximately 3% of U.S. population Hodgkin's Lymphoma ANSWER: affects people primarily between 15 -20 years of age and those aged 50 -70 One of the most curable hematologic cancers and affects 1 in 25,000 annually Leukemias ANSWER: proliferation of cancerous WBCs affects approximately 350,000 annually, with 90% of those cases diagnosed in adults 3rd most common cancer in children proliferation - rapid increase in numbers Normal WBC count, with differential ANSWER: Normal WBC's count 5,000 -10,000 cells per microliter Neutrophils (polymorphonuclear): 40% - 80% Immature Neutrophils (bands): 0 -10% Lymphocytes: 20% -40% Monocytes (Macrophages) : 2% - 10%
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