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Chap 9 Terms
Diagnostic and Therapeutic Procedures
| Term | Definition |
|---|---|
| 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
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