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VTPA Hema Quiz
| Question | Answer |
|---|---|
| Red blood cells are also known as... | erythrocytes |
| what is the most common cell in the blood | RBC |
| Platelets are also known as... | thrombocytes |
| what are white blood cells also known as... | Leukocytes |
| what is the most common WBC in the blood of dogs and cats | Neutrophil |
| what are young neutrophils referred too | band neutrophils |
| how are eosinophils distinguished | pink granular cytoplasm (raspberry) |
| how to distinguish a basophil | nucleus doesn't stain as intensely but there will still be a granular appearance of the cytoplasm |
| True of False: Basophils are normal in healthy dogs and cats | False (they are rare) |
| what is the second most common WBC | Lymphocytes |
| how to distinguish a lymphocyte | round with solid purple colour, may have slight indentation and cytoplasm is pale blue |
| what is the largest WBC | Monocyte |
| how to distinguish a monocyte | least stained, pleomorphic, lacy/foamy appearance |
| order of maturation of granulocytes | 1. stem cell 2. myeloblast 3. progranulocyte 4.myelocyte 5. metamyelocyte 6. band 7. mature granulocyte 8. blood 9. tissue |
| where does your blood come from | bone marrow, spleen |
| order of maturation of erythrocytes | 1. stem cell 2. rubriblast 3. prorubricyte 4. rubricyte 5. metarubricyte 6. polychromatophil 7. mature rbc |
| define rouleaux | grouping of RBCs in stacks |
| define anisocytosis | variation in size |
| define poikilocytosis | abnormal shape |
| define poikilocyte | a shape that does not fit in another category |
| define polychromatophil | change in colour |
| define reticulocytes | dark granules appear in a linear pattern (NMB) |
| define Shift RBC | twice the size of a normal RBC |
| define nRBC | distinct dark spherical nucleus and basophilic cytoplasm |
| define Howell-Jolly Body | dark basophilic stippling in RBC, not retractile |
| define basophilic stippling | basophilic granules, delicate and paler than HJB |
| define ghost cell | empty membrane of an RBC |
| define spherocyte | small RBC with circle shape and no central pallor |
| define Agglutination | grape cluster of RBC |
| define ER bodies | highly retractile bodies on/protruding from RBC |
| define eccentrocyte | clear area on one side of the cell creating a crescent shape |
| define echinocyte | spine like projections from the cell |
| define crenated cell | wrinkled appearance around edges of cell |
| define burr cell | oval RBC with wrinkled edges |
| define spur cell | two or more unevenly fingerlike projections |
| define blister cell | vacuole |
| define keratocyte | horns with a notched area between |
| define fusocyte | spindle shaped cell that taper at both ends |
| define sickle cell | crescent shaped cell |
| define hypochromasia | increased area of central pallor |
| define elliptocyte | cigar shaped |
| define leptocyte | large thin RBC that fold easy |
| define schistocyte | fragments |
| define dacryocyte | teardrop shape |
| 4 types of leptocytes | torocytes, stomatocytes, target cells, car cells (all inside a cell) |
| define dohle bodies and what does it indicate | clumps of rough endoplasmic reticulum in the cytoplasm, indicated toxic changes in bone marrow |
| define cytoplasmic vacuoles and what does it indicate | irregule shaped vacuoles in cytoplasm, indicates severe toxicity |
| define increased cytoplasmic basophilia and what does it indicate | ranges from pale blue to patchy blue-purple cytoplasm, indicates severe toxicity |
| define toxic granulation | multiple large red/purple granules seen |
| define hypersegmentation | nucleus with 6 or more lobes (old cells) |
| what is hyper-segmentation also known as | right shift |
| define barr body | round basophilic body attaches to nucleus, remained of one x chromosome (snake tongue) |
| define giant neutrophils and what does it indicate | neutrophils twice the normal size which indicate inflammation (FeLV, FIV) |
| what does a ring shaped nucleus indicate | extreme toxicity, seen with septicemia |
| define pyknosis and what does it indicate | condensed cell nucleus, indicated cellular necrosis |
| define karyorrhexis and what does it indicate | fragmented pyknosis, indicates cellular necrosis |
| define karyolysis | outer cell membrane intact, no nucleus seen |
| define abnormal reactive lymphocyte (ARL'S) | larger in size and round shape |
| define plasma cells | rare, round nucleus with reticular chromatin |
| define lymphoblast | large cell, chromatin more open and stippled |
| define atypical | large in size, indented nuclei (cleft) |
| define prescense of nucleoli | less than 10% of the diameter of the nucleus |
| what does increased basophilia of the cytoplasm indicate | increased activity |
| what are the 3 blood parasitic infections in dogs | 1. Mycoplasma hemocanis 2. Babesia canis 3. Babesia gibsoni |
| Define Mycoplasma hemocanis | cocci or rod shaped organisms found in groups or individually, usually in chains across the cell |
| define Babesia canis | large intracellular tear-drop shaped organism. Have light blue cytoplasm with red nucleur region |
| define Babesia gibsoni | oval/round/elongated shaped inclusions, smaller organism |
| what are the 3 blood parasitic infections in cats | 1. Mycoplasma hemofelis 2. Mycoplasma hemominutum 3. Cytauxzoon felis |
| define Mycoplasma hemofelis | cocci or rid shaped epicellular organism |
| define Mycoplasma hemominutum | similar to M. hemofelis |
| define Cytauxzoon felis | inclusions have oval, blue staining nucleus with clear cytoplasm |
Created by:
jscott41
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