Term
| What is the difference between the blue striped and red striped microhematocrit tube? |
|
Definition
| Red stripe has sodium heparin, Blue stripe has none. |
|
|
Term
| List of three layers of a blood smear: |
|
Definition
Thick layer,
monolayer,
Feathered edge. |
|
|
Term
| How can you tell here in the monolayer? |
|
Definition
No more than 50% of the red blood cells touch,
Cells are not distorted,
cells are evenly and randomly distributed |
|
|
Term
| how can you distinguish a band neutrophil from a segmented one? |
|
Definition
There may not be any indentations in the nucleus greater than one third the diameter of the cytoplasm.
Cytoplasm may have slight basophilia. |
|
|
Term
| What are segmented neutrophils? |
|
Definition
|
|
Term
| Characteristics of a segmented neutrophil: |
|
Definition
Nucleus is lobed, elongated, and contains clumpy chromatin.
Colorless cytoplasm that contains granules- may be colorless to pale pink. |
|
|
Term
|
Definition
| In the peripheral circulation. |
|
|
Term
| What is a hypersegmented neutrophil? |
|
Definition
| And neutrophil who's nucleus has 5 lobes or more. |
|
|
Term
| When might you see hypersegmented neutrophils in increased numbers? |
|
Definition
Aged cells,
Maybe an artifact from prolonged storage of blood,
May see with use of glucocorticoids which prolongs the half-life of circulating neutrophils. |
|
|
Term
| What is the significance of finding hypersegmented neutrophils? |
|
Definition
|
|
Term
| Characteristics of an eosinophil: |
|
Definition
Lobed nucleus,
colorless cytoplasm containing red round cytoplasmic granules, variable shape and size. |
|
|
Term
| Characteristics of a reactive lymphocytes: |
|
Definition
Typically have dark blue cytoplasm.
May also have prominent perinuclear clear zone. |
|
|
Term
| When might you see an increased number of reactive lymphocytes? |
|
Definition
| Seen in animals that are antigenically stimulated such as post vaccination. |
|
|
Term
| What type of anomaly is it when all segs are bands? |
|
Definition
|
|
Term
| What diseases it when you see a lot of lymphocytes in one field? |
|
Definition
|
|
Term
What is it called when RBCs lack color?
What is this caused by? |
|
Definition
Hypochromasia.
Caused by insufficient hemoglobin. |
|
|
Term
What is it called when cells are clumped together?
What causes this? |
|
Definition
Agglutination.
Antibodies coat the RBCs and makes them sticky. |
|
|
Term
| When would you see agglutination? |
|
Definition
| In immune mediated anemia. |
|
|
Term
What is it called when cells are stacked like coins?
What animal is this common in? |
|
Definition
Rouleaux
Common in horses. |
|
|
Term
| When might you see rouleaux in any species other than horse? |
|
Definition
In inflammatory diseases,
If blood has sat too long. |
|
|
Term
| What type of cell is a target cell? |
|
Definition
|
|
Term
| What species are leptocytes seen in? |
|
Definition
|
|
Term
| What does the appearance of leptocytes indicate? |
|
Definition
Anemia,
liver disease,
and some inherited diseases. |
|
|
Term
| How are Leptocytes characterized? |
|
Definition
Appearance of a mouth (stomatocytes),
Folded cells, or
Target cells. |
|
|
Term
| In what species are eosinophils common in numbers? |
|
Definition
|
|
Term
| What are characteristics of an eosinophil in a horse? |
|
Definition
| Bowling ball globular orange granules. |
|
|
Term
| Characteristics of an eosinophil in a dog? |
|
Definition
| Granules are pink and small. |
|
|
Term
| What are characteristics of degranulation of an eosinophil? |
|
Definition
| Granules are clear and the cytoplasm is red. The exact opposite of what it should be. |
|
|
Term
| What species of dog would you most commonly seen degranulation of an eosinophil? |
|
Definition
|
|
Term
| Characteristics of a basophil? |
|
Definition
Have blue lavender granules.
Are not as big and globular as eosinophils. |
|
|
Term
| What are the characteristics of an eosinophil of a cat? |
|
Definition
| Granules are rod shaped and orange pink in color. |
|
|
Term
| Hypersegmented neutrophils are commonly seen in what breed? |
|
Definition
|
|
Term
| characteristics of a Monocyte: |
|
Definition
Variably shaped nucleus and is less dense than a lymphocyte.
Abundant blue cytoplasm.
Vacuoles in cytoplasm common but not always present. |
|
|
Term
| What is Anaplasma Phagocytophilium? |
|
Definition
| A vector born zoonotic disease that causes lameness and is confused with Lyme disease. |
|
|
Term
| What is it called when you see a lack of platelets? |
|
Definition
|
|
Term
| What is it called when you have erythrocytes with decreased staining intensity? |
|
Definition
|
|
Term
| How can you differentiate between a hypochromatic RBC and a punch out cell? |
|
Definition
| If it were a punched out red blood cell you would only see a few, if it were hypochromasia, all the cells would look like that. |
|
|
Term
| When u see RBCs with no central pallor and are stained darkly and are smaller than normal RBCs. What are these called? |
|
Definition
|
|
Term
|
Definition
|
|
Term
| Variation in size of RBCs. |
|
Definition
|
|
Term
|
Definition
| Immature erythrocytes that contains organelles that are lost as the cell matures. |
|
|
Term
| I know what kind of staining might you see organelles in reticulocytes? |
|
Definition
|
|
Term
| What is Mycoplasma haemofelis? |
|
Definition
| A bacterial parasite of feline RBCs that cause hemolytic anemia. |
|
|
Term
| What do you get when u have an increased number of polychromatic RBCs? |
|
Definition
|
|
Term
| Characteristics of mycoplasma haemofelis: |
|
Definition
| Chains of basophilic structures around the edges of the cells. |
|
|
Term
| What is the problem with automated blood cell counters and nRBCs? |
|
Definition
| They are counted as WBCs. |
|
|
Term
| What is nRBCs a response to? |
|
Definition
| Regenerative anemia if lots are seen. |
|
|
Term
| Who is the host for Cytauxzooin felis? |
|
Definition
|
|
Term
|
Definition
| A parasite that causes fatal disease in domestic cats. Seen as inclusion shaped like ringlets or safety pins. |
|
|
Term
| Another name for Acanthocyte? |
|
Definition
|
|
Term
| Characteristics of an Acanthocyte? |
|
Definition
| Uneven projections with dull points |
|
|
Term
| Another name for Echinocytes? |
|
Definition
|
|
Term
| Characteristics of Echinocytes? |
|
Definition
| Even needle like projections on entire edge of RBC. |
|
|
Term
|
Definition
| Caused from slow drying of slide. |
|
|
Term
| Where do you commonly see platelet clumping? |
|
Definition
|
|
Term
| Who do you commonly see giant platelets in? |
|
Definition
|
|
Term
| Why does platelet clumping mean? |
|
Definition
| The number of platelets are adequate. |
|
|
Term
| Characteristics of Karatocytes? |
|
Definition
| RBC has a big clear hole on the edge. Looks like a blister. |
|
|
Term
| Another name for Karatocytes? |
|
Definition
|
|
Term
| Heinz bodies are commonly seen in what species? |
|
Definition
|
|
Term
| Characteristics of Heinz Bodies? |
|
Definition
| If stained with diff quik have a clear bleb on the outside of cell. If stained with NMB will have a blue bleb on the outside of cell. |
|
|
Term
| What are Howell Jolly bodies? |
|
Definition
| Basophilic inclusions of young erythrocytes. |
|
|
Term
| When are Howell jolly bodies commonly seen? |
|
Definition
Seen in most domestic species during a regenerative anemia.
Cats |
|
|
Term
|
Definition
| RBC fragmented formed as a result of the intravascular trauma. |
|
|
Term
| When are Schistocytes seen? |
|
Definition
Seen in cases of DIC
(disseminated intravascular coagulation) |
|
|
Term
| What is it called when you see very small, variably sized granules with in the RBC? |
|
Definition
|
|
Term
| When might you see basophilic stippling? |
|
Definition
| Can be seen in response to lead poisoning. |
|
|
Term
| Who is Babeseia Gibsoni seen in commonly? |
|
Definition
|
|
Term
| Characteristics of Babaseia Gibsoni? |
|
Definition
Pear shaped inclusion,
Often but not always occurs in pairs,
Smaller than Babaseia Canis |
|
|
Term
|
Definition
| A syndrome of anemia, hemoglobinuria, and jaundice. |
|
|
Term
| Characteristics of Babesia Canis? |
|
Definition
Pear shaped,
Basophilic in color. |
|
|
Term
| What is Anaplasma Platys? |
|
Definition
| A condition where platelets look like they have granules. It is often confused with a typical granulated platelet. |
|
|
Term
| Characteristics of Anaplasma platys? |
|
Definition
Smaller then RBC,
Stained blue/purple,
Looks darker than regular platelet. |
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