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49 Cards in this Set
- Front
- Back
What type of stain is used for identifying reticulocytes?
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New Methylene Blue
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Which of the red blood cell line is the MOST immature?
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Rubriblast
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Which of the following is the the most mature nucleated red blood cell:
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metarubricyte
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Three causes of anemia include all but which of the following? Blood loss Heart disease Hemolysis Lack of production |
Heart disease
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Ingestions of onions, toxic drugs, acetaminophen or garlic would all cause
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Heinz bodies.
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Variation of red blood cell size is known as
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anisocytosis.
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Which cell in the following RBC series is most mature?
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Metarubricyte
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What feature of K-9 red blood cells is defined as a pale area in the center of the cells with less hemoglobin?
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Central pallor
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In what species is rouleaux of red blood cells particularly evident?
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equine
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Unusual shape of red blood cells that usually occur in chronic anemias is called
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poikilocytosis.
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A quick stain that gives acceptable results is
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DIFF-QUICK
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Variation of red blood cell size is known as________ and examples of dogs that may have larger than normal RBC's are ________.
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ANISOCYTOSIS POODLES |
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__________ are bluish staining erythrocytes that are also known as reticulocytes.
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BASOPHILIC OR POLYCHROMATIPHILIC RBC’s
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Reticulocytes are identified by using what type of stain?
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NMB
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NRBC’s are also known as _________ and an occasional one is seen in a normal animal; HOWEVER, increased numbers should be reported in what manner?
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METARUBRICYTES NUMBER OF NRBC'S/100 WBC'S |
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What is a possible explanation of an animal that is diagnosed with anemia that really is normal?
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LAB ERROR OR TOO MUCH EDTA FOR THE AMOUNT OF BLOOD IN THE VACUTAINER
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Animals at a higher altitude have a higher ______than do those at sea level.
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PCV AND RBC
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Nucleated red blood cells are characteristic of which species?
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AVIAN AND REPTILES
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___________are commonly found in blood during a response to anemia.
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RETICULOCYTES and HOWELL JOLLY BODIES
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Rouleaux formation is common in the
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HORSE and CAT
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In the feline, a small, eccentric refractile object that is composed of denatured hemoglobin is known
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HEINZ BODY.
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The _____ species is known for having a great variation in platelet size.
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feline
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Name one function of RBC's.
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CARRY OXYGEN
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Name two types of feline reticulocytes and which ones do we count?
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PUNCTATE AND AGGREGATE (COUNT THE AGGREGATE)
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Name the erythroid maturation series in proper order
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RUBRIBLAST, PRORUBRICYTE, RUBRICYTE, METARUBRICYTE, RETICULOCYTE, ERYTHROCYTE
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What are some characteristic changes during maturation of a red blood cell?
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DECREASE IN SIZE OF CYTOPLASM AND NUCLEUS, CHANGE OF COLOR, CHROMATIN BECOMES MORE CLUMPED, NUCLEUS FINALLY THROWN OUT
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Name three methods to measure RBC's.
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RBC COUNT, PCV, HEMOGLOBIN
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Unusual shape of red blood cells that usually occurs in chronic anemia is called
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POIKILOCYTOSIS.
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Define macrocytosis
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INCREASE OF THE MCV SEEN IN YOUNG RBC'S
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A morphological classification of anemia is based upon
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SIZE OF THE CELLS AND THE AMOUNT OF HEMOGLOBIN
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The greater the stimulation of marrow erythropoiesis
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RETICULOCYTES AND RBC'S PRODUCED
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Dehydration is associated with increases in plasma protein concentration and PCV, but ___________ elevates only the PCV.
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splenic contraction
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In general, the magnitude of reticulocytosis is greatest in
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REGENERATIVE HEMOLYTIC ANEMIA.
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The mere existence of anemia does not justify
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TREATMENT OR BLOOD TRANSFUSION
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An increase of erythrocyte numbers above normal in blood is referred to
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POLYCYTHEMIA.
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Relative polycythemia is commonly encountered with
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HEART DISEASE OR ANXIETY.
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A clumping of red blood cells is known as ________ and must be distinguished from rouleaux formation.
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AGGLUTINATION
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_______are small, darkly staining cells lacking central pallor that is associated with immune-mediated hemolytic anemias.
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SPHEROCYTES
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_______are irregularly spiculated erythrocytes with 2-10 projections and may be associated with liver disease and hemangiosarcomas.
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ACANTHOCYTES
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The shrinkage of cells is known as
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CRENATION
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Bone marrow depression may be associated with
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ANEMIA, LEUKEMIA
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The three basic classes of etiological causes of anemia are
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BLOOD LOSS, HEMOLYSIS AND INADEQUATE PRODUCTION
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Heinz Body anemias may be associated with the ingestion of
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ONIONS OR TYLENOL
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MCV
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MEAN CORPUSCULAR VOLUME PCV% x 10 divided by RBC= fl |
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Normal MCV for a cat and dog
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60-70fl
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MCH
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Mean Corpuscular hemoglobin Hgb x 10 divided by RBC= pg |
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Normal MCH for cat and dog
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15-23 pg (20 pg)
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MCHC
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Mean corpuscular hemoglobin concentration Hgb x 100 divided by PVC %= % or g/dl |
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Normal MCHC
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30-36% (36%)
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