Med Surg Hematology & Immunity Exam Questions And Answers 100% Verified

Med Surg Hematology & Immunity Exam Questions And Answers 100% Verified hematologic system functions - carry oxygen & nutrients - carry hormones - carry waste products What is hemotopoiesis? blood cell formation what is the site of hemotopoiesis? the bone marrow stem cells - have the ability to self replicate - either myeloid (RBC, WBC, platelets) or lymphoid (lymphocytes) stroma tissue not related to blood cell formation what are leukocytes? white blood cells (WBCs) what are erythrocytes? red blood cells (RBCs) what are thrombocytes? platelets WBC function fight infection neutrophil function prevents bacterial infection through phagocytosis monocyte function macrophages against fungus eosinophil function neutralizes histamine basophil function helps with hypersensitivity reactions L lymphocyte function recognizes material as "foreign" B lymphocyte function formation of antibodies RBC function carries oxygen thrombocyte function blood clotting types of erythrocytes hemoglobin and reticulocytes (immature form of RBCs) blood transfusion rx - lower back pain - low BP, high rr - flushing * stop transfusion and run NS s/s of anemia - fatigue - palor - tongue changes diagnostic testing for anemia - hemoglobin - hematocrit - reticulocyte count - RBC - iron studies - Vit b 12 - folate - bone marrow aspiration anemia gerontologic considerations - decreased physical performance - decreased mobility - increased depression - increased risk for falls - fatigue - confusion what is iron deficiency anemia