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76 Cards in this Set
- Front
- Back
All of the followingare signs of regeneration on the Diff Quik blood smear except: |
retics. |
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Anisocytosis is bestdescribed as: |
variable size. |
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Assuming these are your values: PCV of 36, Hgb 5.1, RBC of 3.8 and the WBC is 12.3 from the auto cell counter, calculate the MCHC: _____________ |
14.1% or 14.1 g/dl |
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A yellow lab ispresented with a PCV of 58% and a 8.0 g/dl total protein. Pick the mostprobable description of his health status. |
Dehydrated |
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Background counts on cell counting machines are done for the following reason: |
To assure reagents and diluents are not contaminated so as to affect patient cell counts. |
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Best evaluation for aregenerative anemia besides the retic count would be: |
RBC morphology on a Diff Stain |
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Blood samples must bewell mixed before use: |
to insure even distribution of cells. |
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Blood smears: should be made from |
fresh blood. |
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Canine ( ignore the arrows) |
Hypochromic |
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Canine - Red Arrow These RBC's are bestdescribed as: |
Macrocytic, polychromic |
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Crenated RBC's can be caused by: |
excessive use of anticoagulants. cells being put into a hypertonic solution. not drying smear quickly enough. all of the above. |
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Compute the indices for adog with the following values: PCV33%, TP 7 g/dl, WBC 20,000, RBC 4.75, Hgb 11g/dl. |
MCV = 69 MCH = 23 MCHC = 33 |
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Crenation is best described as: |
usually due to technique. |
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Definition, Decreased erythrocyte mass |
Anemia |
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Heinz body is bestdescribed as: |
denatured Hgb. |
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How is anemia noted clinically? |
Pale mucus membranes and Low PCV |
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How is arefractometer calibrated? |
Measure a drop of distilled water. Adjust until the specific gravity is 1.000. |
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Howell Jolly Body isbest described as: |
nuclear remnant. |
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Hypochromic is best described as: |
decreased Hgb. |
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Identify microscope part A |
Ocular |
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If the PCV is 36 whatis the RBC estimate? |
6 |
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Mean Corpuscular Volume isan indices expressed in what kind of units? |
Femtoliters |
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One breed of dog mentioned in the reading may have microcytic RBC's. What is the breed? |
Akitas |
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PCV 36% The best description of this buffy coat is: |
increased |
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PCV may remain stable6 hours post trauma due to vasoconstriction and concentration |
TRUE |
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Poikilocytosis is/arebest described as: |
varying shape. |
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Polychromatic: |
many colored. |
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RBC's are evaluatedfor three criteria. What are they ? |
size, shape and color |
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Rouleaux is bestdescribed as: |
coin like stacking. |
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Stomatocyte is bestdescribed as: |
mouth cell. |
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Supravital stainssuch as NMB would be used to demonstrate: |
nuclear material. |
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Target cell is bestdescribed as: |
leptocyte. |
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The 100X objective is used to |
Evaluate RBC morphologyPerform a differential WBC countEstimate platelet numbers*All of the above* |
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The best terminologyto describe a young RBC seen on the differential smear is: |
polychromatic and macrocytic. |
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The normal totalprotein average for the dog and cat is: |
6.0-7.5 g/dl t |
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The only informationyou have on a cat is PCV = 37%. What is his MCHC? |
33 g/dl (or %) 20 g/dl (or %) |
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We prefer push smearsover coverslip smears in order to ensure better distribution of cells. |
False |
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What are the units?T.P.: 7.0 (____) |
g/dl |
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What causes or enhances hypersegmentation of neutrophils? |
Cell agingTreatment with steroidsHyperadrenocortisolism |
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What does lipemic plasma indicate? |
post prandial sample poor sampling technique |
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What is the units?Hgb: 5.1 (____) |
g/dl |
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What is the units? PCV: 36 (____) |
% |
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what is the fecal flotation media used in our lab and in most small animal practices? |
Sodium nitrate |
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What is the name of the microscope part labeledH ? |
Voltage regulator or course adjustment knob |
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What magnificationare the RBC's morphologically evaluated? |
Oil |
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What objective(magnification) is used to find a good monolayer? |
High |
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What species has RBCthat normally appear like spherocytes making it hard to identify anabnormality? |
Cat |
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What type of RBC morphology might you expect to see with this type of tumor or DIC? |
schistocytes |
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What would aspherocyte look like? |
Small dense cell with no zone of central pallor |
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With a PCV of 36,what is the hemoglobin estimate? |
12 |
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Which species has adiscocytic normal shape RBC? |
Dog |
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Which is statement isfalse when refering to Dif Quick staining? |
Dif quick is a supra vital stain |
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Which type of feline reticulocyte is a polychromatophil on Romanowsky stained blood films? |
Aggregate |
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Why do we prefercoverslip smears to push smears. ONE answer please. |
even distribution of cells |
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You are able toclearly see your specimen on low power but can't focus on high or oil. What isthe problem? |
Your cytology or blood smear is on the the down side of the slide. |
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Normal PCV Dog : |
Avg. 45% Range: 36-54% |
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Normal PCV cat |
Avg. 37% Range: 25-46% |
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Normal TP Dog: |
6-7.5 g/dl |
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Normal TP Cat: |
5.6-7.4 g/dl |
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RBC estimate = |
1/6 of the PCV mm3 |
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Hgb estimate is |
1/3 PCV g/dl |
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PCV and TP increased= |
Dehydration |
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PCV decreased TPnormal = |
Anemic |
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PCV decreased and TPincreased= |
Anemic with Dehydration |
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PCV normal TPdecreased= |
Protein loss/liver disease/burns |
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Total protein is thefirst to fall with trauma patients |
TRUE |
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MCV (Femtoliters fl )= |
PCV x 10 divided by RBC |
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MCH (Picogramspg)= |
HGB x 10 divided by RBC |
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MCHC (g/dl) = |
HGB x 100 divided by the PCV |
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Which breed naturally has low platelet counts? |
Greyhound |
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Which breeds cells are naturally macrocytic? |
Miniature Poodle |
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The purpose of performing a background count on auto cell counters is to assure the reagents and diluents are free of debris that might interfere with patient cell counts. |
TRUE |
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What does yellow plasma indicate? |
liver disease |
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Given a PCV of 33%. What isthe RBC estimate? |
5.5 x 10^6 mm^3 |
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Generally speaking, the higher the magnification the lower the condensor. |
False |
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These RBC's look fragmented and like they were hung out carelessly on a clothesline! They may indicate DIC or hemangiosarcomas of the liver/spleen. What are they? |
schistocytes |