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52 Cards in this Set
- Front
- Back
What is the normal PCV range for a dog?
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37-55%
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Which color vacutainer is used to obtain serum?
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Red
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What is the term that we use for the white to gray layer of a PCV where the white blood cells are located?
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buffy coat
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What effect could excessive EDTA have on the PCV value?
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Decrease it
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Name one condition for an elevated T.P.
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Dehydration
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The basic components of a CBC include WBC count PCV Differential All of the above |
All of the above
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Define plasma
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Liquid portion of whole blood
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Which of the following are associated with blood coagulation?
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thrombocytes
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A normal white blood cell count in a canine would fall ito which of the following ranges?
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6,000 - 16,000/mm3
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What is another name for a PCV?
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hematocrit
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When examining a PCV, the white to gray layer just above the RBC layer is termed the
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BUFFY COAT.
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When evaluating a blood smear, it should always first be examined under
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low power
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Blood smears should be made within how long after obtaining the sample
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as soon as possible
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If the blood sample cannot be examined, where and for how long may it be stored?
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IN THE REFRIGERATOR FOR UP TO 12 HOURS
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A wide range of ________ per lO X field indicates a normal white blood cell count
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18-50 (10-30?)
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________is the preferred anticoagulant because it does not interfere with blood staining characteristics.
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EDTA
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It is better to have no data at all than to have
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incorrect data
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. The most commonly performed basic hematology technique is the
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COMPLETE BLOOD COUNT (CBC)
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Besides measuring the total protein, refractometers are also used to measure
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URINE SPECIFIC GRAVITY
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When considering the CBC, which of the measurements is the most accurate?
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HEMATOCRIT (PCV)
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When considering the CBC, which of the measurements is the most inaccurate?
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RED BLOOD CELL COUNT
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A normal MCV for dogs is (include the units)
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60 - 75 FEMTOLITERS (FL)
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The first millimeter of the buffy coat is approximately equal to
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10,000 LEUKOCYTES
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What is the most common problem related to sample handling?
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DELAY IN PROCESSING
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What stain is used for general cytology and demonstration of bacteria?
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DIF-QUICK STAIN
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What effect does excess EDTA have on PCV?
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WILL DILUTE THE SAMPLE
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List a normal PCV range for a dog and cat
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APPROXIAMTELY 45% FOR A DOG AND 37% FOR A CAT
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The basic components of the CBC include what information?
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WBC COUNT, RBC COUNT, PCV, TOTAL PROTEIN, DIFFERENTIAL
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What is another name for PCV and what does it calculate?
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HEMATOCRIT, BLOOD IS SPUN DOWN IN A CENTRIFUGE-a rough estimate of the percentage of red blood cells in a given amount of blood.
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Name the two other components of the PCV.
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Buffy Coat and Plasma (serum)
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What are the normals for the red blood cell count?
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6-7 MILLION RBC'S PER CUBIC MILLIMETER
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Anemia's can be classified as either regenerative or nonregenerative. How do we differentiate between the two?
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BY EXAMING THE BLOOD CELLS ON A SMEAR
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Chronic inflammatory diseases are usually characterized by what cell?
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MONOCYTES
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What is the normal WBC count?
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6,000 - 16,000 WBC'S PER CUBIC MILLIMETER
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Name one condition of an elevated TP level?
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DEHYDRATION
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What might an elevated TP in conjunction with a low PCV indicate?
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AN ANEMIC DEHYDRATED ANIMAL
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Describe plasma
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THE LIQUID PORTION OF WHOLE BLOOD
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Which color top tube is used to obtain plasma?
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PURPLE TOP OR LAVENDAR TOP
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Describe Serum
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THE LIQUID PORTION OF CLOTTED BLOOD
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Which color top tube is used to obtain serum?
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RED
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Normal PCV for a cat
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30-45% (37%)
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Normal TP for a dog and cat
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6-7.5 g/dl
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Normal Hgb for a dog and cat
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12-15 g/dl
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normal platelet count
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200,000-500,000mm/3
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The parameters of RBC evaluation include
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RBC count, PCV, hemoglobin and morphology
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An increased TP would indicated?
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dehydration
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AN increased TP and decreased PCV indicates
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dehydration with anemia
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Signs of regenerative anemia include? (6)
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decreased PCV, increased retic count, polychromasia, ansiocytosis, macrocytosis and hypochromasia.
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Signs of non-regenerative anemia?
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decreased PCV with no signs of regeneration or bone marrow response.
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RBC maturation sequence
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rubriblast, prorubricyte, rubricyte, metarubricyte, reticulocyte, erythrocyte
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WBC maturation sequence
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Myeoblast, promyelocyte, myelocyte, metamyelocyte, band neutrophil, segmented neutrophil
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CHaracteristics of a stress leukogram include? (4)
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mature neutrophilia, lymphopenia, eosinopenia and occ. monocytosis
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