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Clin Lab 5
Introduction to Hematology, etc.
| Question | Answer |
|---|---|
| A chemical that prevents blood ___________ is an anticoagulant. | COAGULATION |
| The hemoglobin formed when oxyhemoglobin releases oxygen to the tissues is known as ___________. | DEOXYHEMOGLOBIN |
| __________ is a condition in which the RBC count or hemoglobin level is decreased below normal. | ANEMIA |
| The anticoagulant EDTA is commonly used in _____________ studies. | HEMATOLOGY |
| The study of _________ and ________ tissues is called hematology. | BLOOD/BLOOD-FORMING |
| In __________, most blood cells are formed in the bone marrow. | ADULTS |
| The layers of blood cells that form when a tube of whole blood is centrifuged are called the ______________. | PACKED CELL COLUMN |
| The ___________ is a commonly performed test that provides the clinician with an estimate of the patient's red cell volume and the blood's oxygen-carrying capacity. | HEMATOCRIT |
| The _________ is a light-colored layer of leukocytes and platelets that forms on the top of the red blood cell layer when a sample of blood is centrifuged or allowed to stand undisturbed. | BUFFY COAT |
| The packed cell volume is another term used for ______________. | MICROHEMATOCRIT |
| The protein portion of the hemoglobin molecule is the __________. | GLOBIN |
| ___________ is the iron-containing portion of the hemoglobin molecule. | HEME |
| The major functional component of RBCs, _____________ serves as the oxygen-carrying molecule. | HEMOGLOBIN (Hb, Hgb) |
| The form of hemoglobin that is called "adult" hemoglobin is Hgb ______. | A |
| The mineral required for hemoglobin synthesis is ____________. | IRON |
| A __________ is a large leukocyte usually characterized by a convoluted or horseshoe-shaped nucleus. | MONOCYTE |
| A lymphocyte that occurs in response to viral infections and is commonly seen in mononucleosis is called an __________________. | ATYPICAL LYMPHOCYTE |
| A ___________ is an immature granulocyte [Neutrophil] with a non-segmented nucleus. | BAND CELL |
| A neutral-staining leukocyte, usually the first line of defense against infections, is called a ____________. | NEUTROPHIL |
| A ___________ is a large bone marrow cell from which platelets are derived. | MEGAKARYOCYTE |
| A clear, membrane-bound compartment in cell cytoplasm is called a ____________. | VACUOLE |
| ___________ is a marked variation in the sizes of erythrocytes when observed on a peripheral blood smear. | ANISOCYTOSIS |
| The term describing red cells that have reduced color or hemoglobin content is ______________. | HYPOCHROMIC |
| Red cells having a larger than normal cell size are called ____________. | MACROCYTIC |
| The ______________ is a determination of the relative numbers of each type of leukocyte in a stained blood smear. | DIFFERENTIAL COUNT |
| _____________ is a significant variation in the shape of erythrocytes. | POIKILOCYTOSIS |
| The ingestion of a foreign particle or cell by another cell is called __________________. | PHAGOCYTOSIS |
| A 'blast' cell is an immature blood cell normally found only in the ___________. | BONE MARROW |
| A _____________ is a shrunken RBC with scalloped or toothed margins. | CRENATED CELL |
| A vitamin essential to the proper maturation of blood and other cells in the body is ____________. | VITAMIN B12 |
| A _____________ describes the appearance of an increased number of immature Neutrophil forms in the peripheral blood. | SHIFT TO THE LEFT |
| In light scatter, the laser light is monochromatic, meaning that it has only one ____________________________. | WAVELENGTH & TRAVELS IN ONLY ONE DIRECTION |
| All electrical impedance cell counters are based on the principles of __________, and an _________________ is a solution in them that conducts an electrical current. | COULTER ELECTROLYTE SOLUTION |
| A _________ is a graph that illustrates the size and frequency of particles in solution. | HISTOGRAM |
| In electrical impedance instruments, an electrical current flows from one electrode to another across the ______________. | APERTURE (OPENING) |
| Flow cytometers combine principles of light scatter with the light excitation and emission of _____________ signals. | FLUORESCENT |
| COMPLETE BLOOD COUNT; A COMMONLY PERFORMED GROUP OF HEMATOLOGICAL TESTS. | CBC |
| A WHITE BLOOD CELL CONTAINING GRANULES IN THE CYTOPLASM. | GRANULOCYTE |
| A CHRONIC OR ACUTE DISEASE INVOLVING UNRESTRAINED GROWTH OF LEUKOCYTES. | LEUKEMIA |
| AN UNDIFFERENTIATED CELL. | STEM CELL |
| SMALL PURPLE GRANULES IN RBCs STAINED WITH WRIGHT'S STAIN; RESULTS FROM REMNANTS OF RNA AND OTHER NUCLEAR MATERIAL. | BASOPHILIC STIPPLING |
| A UNIT OF VOLUME; 10 -15 L | FEMTOLITER (fL) |
| COMPARISON OF THE WEIGHT OF HEMOGLOBIN IN A RBC TO THE SIZE OF THE RBC, EXPRESSED IN PERCENTAGE OR g/dL. | MEAN CELL HEMOGLOBIN CONCENTRATION (MCHC) |
| AVERAGE RBC HEMOGLOBIN EXPRESSED IN PICOGRAMS [pg] | MEAN CELL HEMOGLOBIN (MCH) |
| THE AVERAGE RBC VOLUME IN A BLOOD SAMPLE, EXPRESSED IN FEMTOLITERS OR CUBIC MICRONS | MEAN CELL VOLUME (MCV) |
| CALCULATED VALUES THAT COMPARE THE SIZE AND HEMOGLOBIN CONTENT OF RBC IN THE BLOOD SAMPLE TO REFERENCE VALUES. | ERYTHROCYTE INDICES |
| THE RATIO OF THE VELOCITY OF LIGHT IN ONE MEDIUM, SUCH AS AIR, TO ITS VELOCITY IN ANOTHER MATERIAL. | INDEX OF REFRACTION |
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1806279775
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