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Hematology
VTA 130 Hematology review
| Question | Answer |
|---|---|
| Define Hematology | The study of blood |
| Define Hematopoiesis | the formation of blood cells |
| What is plasma? | the liquid portion of blood, separated from the cells but still contains fibrinogens |
| What is serum? | The fluid portion of the blood that carries the cells but it is w/o ALL fibrinogens, cells and clotting factors |
| -penia | decrease from normal, deficiency |
| -philia | increase |
| Erythrocytes | mature red blood cells |
| Leukocytes | White blood cells, there are 5 types. Neutrophils, Eosinophil, Basophils, lymphocytes, monocytes |
| Thrombocytes | Facilitate the clotting and repair procedure, helps maintain the integrity of the endothelium, pale, blue, granular bodies |
| Rouleaux | red blood cells affixed in groups resembling stacks of coins |
| Anisocytosis | Variation in the size of erythrocytes |
| Crenation- | the margins of erythrocytes appearing as sharp points |
| Schistocyte | a red blood cell undergoing fragmentation or a fragmented part of a red blood cell |
| Hemolysis | the destruction or dissention of red blood cells |
| icterus | yellow, jaundiced |
| Lipemia | excessive fat of fatty substance in the blood |
| Morphology | The branch of biology that deals with the form and structure of organisms w/o consideration of function |
| What are the functions of blood? | carry oxygen and nutrients to all parts of the body & waste products back to the lungs, kidney & liver for disposal, essential to the immune system, fluid & temperature balance, hydraulic fluid for certain function, highway for hormonal messages |
| What is the difference between plasma and serum? | both are separated from cells, however, plasma still has fibrinogens, while serum which has clotted leaving it w/o ALL fibrinogens and clotting factors |
| What vessel of the hind leg is commonly used in canine patients | Lateral saphenous |
| What vessel of the hind leg is commonly used in feline patients? | medial saphenous |
| What general group of tests is a purple top tube used for? | CBC & Platelet count |
| What substance does a PTT contain? | EDTA |
| What general group of tests is a red top tube or a serum separator tube used for? | Blood Chemistry Test |
| What substance does an RTT contain? | NO chemicals |
| What type of test is a blue top tube used for? | coagulation assay |
| What substance does a BTT contain? | sodium or potassium citrate |
| What substance does a green top tube contain? | Heparin |
| What tubes can be used to hold urine? | Glass red top |
| How can hemolysis of the blood sample occur? | using a needle that is too small OR drawing blood too quickly |
| What parts of the CBC can be run manually? | differential count, pcv, wbc |
| What does an elevated PCV indicate? | Dehydration |
| What does a low PCV indicate? | Anemia |
| What is a Neutrophil and what does it do? | the most predominant WBC- fights bacterial infections |
| What is a lymphocyte and what does it do? | fights against viral infection |
| What is a Eosinophil and what does it do? | |
| What is a basophil and what does it do? | |
| What is a monocyte and what does it do? | Helps other WBS's remove dead and damaged tissue |
| What blood chemistry values are associated with the kidney? | creatinine, BUN |
| What blood chemistry values are associated with the liver? | total bilirubin, total protein, ACT, bile acid, ALK-PHOS |
| What blood chemistry values are associated with the pancreas? | Amylase, Lipase, Serum glucose |
| Which electrolytes are commonly included in blood chemistries? | sodium, potassium, chloride, calcium, phosphorus |
Created by:
Adeprey4311
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