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Definition
| The production of red blood cells. |
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| A layer of white blood cells and platelets that collects immediately above the red blood cells in centrifuged whole blood, it has a whitish appearance. |
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| A rounded, often refractile, projection from the surface of the red blood cell that is a result of oxidation and denaturation of hemoglobin. |
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| A small piece of remnant nuclear material in the red blood cell. |
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Definition
| A condition in which the hemoglobin, packed cell volume, and red blood cell count decrease below the normal reference range. |
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Definition
| The presence of very small, dark blue staining bodies within the the red blood cell. The stippling is usually a result of RNA accumulation but may be associated with iron accumulation . |
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| The percentage of red blood cells relative to plasma. |
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Definition
| A white blood cell of the agranulocytic lineage that is characterized by a round nucleus and light blue cytoplasm. |
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Definition
| A red blood cell with two fairly uniform hornlike projections. |
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Definition
| A remnant membrane of a red blood cell. |
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Definition
| A variation in the size of cell; in hematology, this is most often used to describe variation in the size of red blood cells. |
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Definition
| Clumping of red blood cells that is usually caused by cross-linking of red blood cell surface-associated antibodies. |
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Term
| What is the normal reference range for TPP (Total Plasma Protein) for dogs and cats ? |
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Definition
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Term
| What could increased TPP indicate ? |
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Definition
| Hemoconcentration or increased globulin production. |
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Term
| Where are red blood cells produced ? |
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Definition
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| What is the anticoagulant of choice for most hematology ? |
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Definition
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| Red cells show increased susceptibility to lysis after _____ hours in EDTA . |
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Definition
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Term
| What tubes are recommended for platelet and coagulation studies? |
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Definition
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Term
| What is the major source of error in centrifuging the microhematocrit? |
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Definition
| Trying the save time by not allowing the sample to spin the full amount of time. |
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Term
| What stimulates the production of bone marrow? |
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Definition
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Term
| Erythropoietin does not stimulate ___ ___ ____ production |
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Definition
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Term
| The average red blood cell circulates in dogs for _____ days. |
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Definition
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| The average red blood cell circulates in cats for _____ days. |
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Definition
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Term
| Why is cat hemoglobin more susceptible to oxidation than dog hemoglobin ? |
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Definition
| It contains a high percentage of sulfur-containing amino acids which are easily oxidized. |
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Term
| Definition of Hypochromasia ? |
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Definition
| Decreased hemoglobin concentration . |
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Term
| What is the most common artifactual change see in blood films? |
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Definition
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| Definition of crenation ? |
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Definition
| The presence of red cells covered by short spiky surface projections . |
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Term
Platelet counts performed more than _____
hours after collection are suspect |
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Definition
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Term
| T or F - If a delay is anticipated before processing blood , it should be left at room temperature. |
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Definition
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Term
| Scanning a blood smear at low magnification can give you what information? |
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Definition
rouleaux formation,
RBC, WBC or platelet aggregation. |
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Term
| What is the most common artifactual change seen in blood films? |
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Definition
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Definition
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| How are anemias classified ? |
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Definition
| Regenerative or nonregenerative |
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Definition
| The primary defense against invasion of tissues by microorganisms. They kill bacteria and can damage or participate in the destruction of mycotic agaents, algae, and viruses. |
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Definition
| A decrease in the absolute number of neutrophils. |
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Term
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Definition
| Participate as a major component of systemic hypersensitivity reactions. |
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Definition
| Increased numbers of circulating monocytes. |
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Term
| T or F - Platelets are essential for normal hemostasis |
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Definition
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Definition
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| A red or purple spot on the body caused by a minor hemmorhage ( broken capillary blood vessels.) |
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| The clinical hallmark of petechiae is ? |
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Definition
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Term
| These are the most common white blood cell found in the peripheral blood of all common domestic species except ruminants |
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Definition
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Definition
| Linear arrays of red blood cells stacked one on top of another. |
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Definition
| Unorganized three-dimensional clustering of red blood cells, typically formed as a result of cross-linking of red blood surface-associated antibodies. |
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Definition
| Remnant membranes of red blood cells that undergone intravascular lysis. |
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Definition
| Crescent-shaped clear areas that are eccentrically placed. The clear area is where cell membranes are closely apposed and possibly bonded as a result of oxidant-induced membrane damage. |
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Term
| True or False - Bacteria have a nucleus . |
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Definition
| False - Bacteria are anucleated. |
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Term
| True or False - Thrombocytes have a nucleus. |
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Definition
| False - Thrombocytes are anucleated. |
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Term
| True or False - Thrombocytes are 1/4 the size of erythrocytes. |
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Definition
| True - They are small cell fragments. |
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