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Chap 9 Terms

Diagnostic and Therapeutic Procedures

blood culture Test to determine the presence of pathogens in the bloodstream
complete blood count (CBC) Series of tests that includes hemoglobin; hematocrit; RBC, WBC, and platelet counts; differential WBC count; RBC indices; and RBC and WBC morphology
differential count (diff) Test that enumerates the distribution of WBCs in a stained blood smear by counting the different kinds of WBCs and reporting each as a percentage of the total examined
erythrocyte sedimentation rate (ESR) Measurement of the distance RBCs settle to the bottom of a test tube under standardized condition; also called sed rate
hemoglobin (Hgb) value Measurement of the amount of hemoglobin found in a whole blood sample
hematocrit (Hct) Measurement of the percentage of RBCs in a whole blood sample
Monospot Non specific rapid serological test for infectious mononucleosis; also called the heterophile antibody test
partial thromboplastin time (PTT) Test that measures the length of time it takes blood to clot. It screens for deficiencies of some clotting factors and monitors the effectiveness of anticoagulant (heparin) therapy; also called activated partial thromboplastin time (APTT)
prothrombin time (PT) Test that measures the time it takes for the plasma portion of blood to clot. It is used to evaluate portions of the coagulation system; also called pro time
red blood cell (RBC) indices Mathematical calculation of the size, volume, and concentration of hemoglobin for an RBC
Schilling test Test used to assess the absorption of radioactive vitamin B12 by the digestive system
lymphadenography Radiographic examination of lymph nodes after injection of a contrast medium
lymphangiography Radiographic examination of lymph vessels or tissues after injection of contrast medium
aspiration Drawing in or out by suction
bone marrow Procedure using a syringe with a thin aspirating needle inserted (usually in the pelvic bone and rarely the sternum) to withdraw a small sample of bone marrow fluid for microscopic evaluation
biopsy (bx) Representative tissue sample removed from a body site for microscopic examination, usually to establish a diagnosis
bone marrow Removal of a small core sample of tissue from bone marrow for examination under a microscope and, possibly, for analysis using other tests
sentinel node Removal of the first lymph node (the sentinel node) that receives drainage from cancer-containing areas and the one most likely to contain malignant cells
lymphangiectomy Removal of a lymph vessel
transfusion Infusion of blood or blood components into the bloodstream
autologous Transfusion prepared from the recipient’s own blood
homologous Transfusion prepared from another individual whose blood is compatible with that of the recipient
transplantation Grafting of living tissue from its normal position to another site or from one person to another
autologous bone marrow Harvesting, freezing (cryopreserving), and reinfusing the patient’s own bone marrow to treat bone marrow hypoplasia following cancer therapy
homologous bone marrow Transplantation of bone marrow from one individual to another to treat aplastic anemia, leukemia, and immunodeficiency disorders
Created by: Esuvill0