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49 Cards in this Set

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What type of stain is used for identifying reticulocytes?
New Methylene Blue
Which of the red blood cell line is the MOST immature?
Rubriblast
Which of the following is the the most mature nucleated red blood cell:
metarubricyte

Three causes of anemia include all but which of the following?


Blood loss


Heart disease


Hemolysis


Lack of production

Heart disease
Ingestions of onions, toxic drugs, acetaminophen or garlic would all cause
Heinz bodies.
Variation of red blood cell size is known as
anisocytosis.
Which cell in the following RBC series is most mature?
Metarubricyte
What feature of K-9 red blood cells is defined as a pale area in the center of the cells with less hemoglobin?
Central pallor
In what species is rouleaux of red blood cells particularly evident?
equine
Unusual shape of red blood cells that usually occur in chronic anemias is called
poikilocytosis.
A quick stain that gives acceptable results is
DIFF-QUICK
Variation of red blood cell size is known as________ and examples of dogs that may have larger than normal RBC's are ________.

ANISOCYTOSIS


POODLES

__________ are bluish staining erythrocytes that are also known as reticulocytes.
BASOPHILIC OR POLYCHROMATIPHILIC RBC’s
Reticulocytes are identified by using what type of stain?
NMB
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?

METARUBRICYTES


NUMBER OF NRBC'S/100 WBC'S

What is a possible explanation of an animal that is diagnosed with anemia that really is normal?
LAB ERROR OR TOO MUCH EDTA FOR THE AMOUNT OF BLOOD IN THE VACUTAINER
Animals at a higher altitude have a higher ______than do those at sea level.
PCV AND RBC
Nucleated red blood cells are characteristic of which species?
AVIAN AND REPTILES
___________are commonly found in blood during a response to anemia.
RETICULOCYTES and HOWELL JOLLY BODIES
Rouleaux formation is common in the
HORSE and CAT
In the feline, a small, eccentric refractile object that is composed of denatured hemoglobin is known
HEINZ BODY.
The _____ species is known for having a great variation in platelet size.
feline
Name one function of RBC's.
CARRY OXYGEN
Name two types of feline reticulocytes and which ones do we count?
PUNCTATE AND AGGREGATE (COUNT THE AGGREGATE)
Name the erythroid maturation series in proper order
RUBRIBLAST, PRORUBRICYTE, RUBRICYTE, METARUBRICYTE, RETICULOCYTE, ERYTHROCYTE
What are some characteristic changes during maturation of a red blood cell?
DECREASE IN SIZE OF CYTOPLASM AND NUCLEUS, CHANGE OF COLOR, CHROMATIN BECOMES MORE CLUMPED, NUCLEUS FINALLY THROWN OUT
Name three methods to measure RBC's.
RBC COUNT, PCV, HEMOGLOBIN
Unusual shape of red blood cells that usually occurs in chronic anemia is called
POIKILOCYTOSIS.
Define macrocytosis
INCREASE OF THE MCV SEEN IN YOUNG RBC'S
A morphological classification of anemia is based upon
SIZE OF THE CELLS AND THE AMOUNT OF HEMOGLOBIN
The greater the stimulation of marrow erythropoiesis
RETICULOCYTES AND RBC'S PRODUCED
Dehydration is associated with increases in plasma protein concentration and PCV, but ___________ elevates only the PCV.
splenic contraction
In general, the magnitude of reticulocytosis is greatest in
REGENERATIVE HEMOLYTIC ANEMIA.
The mere existence of anemia does not justify
TREATMENT OR BLOOD TRANSFUSION
An increase of erythrocyte numbers above normal in blood is referred to
POLYCYTHEMIA.
Relative polycythemia is commonly encountered with
HEART DISEASE OR ANXIETY.
A clumping of red blood cells is known as ________ and must be distinguished from rouleaux formation.
AGGLUTINATION
_______are small, darkly staining cells lacking central pallor that is associated with immune-mediated hemolytic anemias.
SPHEROCYTES
_______are irregularly spiculated erythrocytes with 2-10 projections and may be associated with liver disease and hemangiosarcomas.
ACANTHOCYTES
The shrinkage of cells is known as
CRENATION
Bone marrow depression may be associated with
ANEMIA, LEUKEMIA
The three basic classes of etiological causes of anemia are
BLOOD LOSS, HEMOLYSIS AND INADEQUATE PRODUCTION
Heinz Body anemias may be associated with the ingestion of
ONIONS OR TYLENOL
MCV

MEAN CORPUSCULAR VOLUME


PCV% x 10 divided by RBC= fl

Normal MCV for a cat and dog
60-70fl
MCH

Mean Corpuscular hemoglobin


Hgb x 10 divided by RBC= pg

Normal MCH for cat and dog
15-23 pg (20 pg)
MCHC

Mean corpuscular hemoglobin concentration


Hgb x 100 divided by PVC %= % or g/dl

Normal MCHC
30-36% (36%)