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Ch. 48
Laboratory Procedures
| Term | Definition |
|---|---|
| anticoagulant | substance that prevents blood from clotting |
| blood chemistry analyzer | machine that measures routine blood chemistries and electrolytes |
| blood plasma | The liquid portion of the blood. Contains blood cells. |
| blood serum | liquid portion of the whole blood. Does not contain clotting factors of blood. Plasma - Clotting factors |
| blood smear | blood film placed on a slide that is used to look at the morphology of blood cells |
| budding yeast | bacteria that are in the shape of a budding flower |
| buffy coat | layers within a hematocrit or PCV that form visible white composed of white blood cells and platelets |
| capillary action | the action of blood draining into the tube through gravity |
| catheterized | a long, thin rubber or plastic sterile tube inserted into the bladder through the external urinary opening to collect a urine sample |
| centrifuge | Vet tool used to spin lab samples at a high rate of speed and force used to separate or concentrate materials suspended in a liquid form. |
| centrifuge tube | glass or plastic tube that holds samples within a centrifuge |
| chemical stirp | long, thin strip separated by individual square pads containing a chemically treated paper. |
| cocci | round bacteria shape |
| commercial serologic test kit | commonly used test kit in a vet facility to provide quick and accurate results of common viruses and diseases |
| complete blood count (CBC) | blood test |
| conical | pointed shaped end |
| Coplin jar | glass container that holds chemicals for use in staining slide samples |
| coverslip | thin piece of glass that fits over the sample on the slide |
| culture and sensitivity | test that determines if a bacterial issue is occurring and what type of bacteria is causing the health condition and what antibiotic should be used in treating the problem |
| cystocentesis | surgical puncture into the bladder using a needle to collect a urine sample |
| decant | process of pouring the urine out of the tube and allowing only sediment on the bottom to remain in the tube |
| diaphragm mechanism | part of the microscope that allows the slide sample to be moved both up and down and side to side to view the entire sample |
| dip stick | long, thin plastic strip separated by individual square pads containing a chemically treated paper |
| electrolytes | determine that balance of elements in the body, specifically potassium, sodium, and chloride |
| erythrocytes | red blood cells |
| eye piece | the portion of a microscope that you look through |
| feathered edge | the staggered area at the end of the slide where the vet or tech reads and interprets a blood slide |
| fecal floatation | technique done to sample the fecal material to determine if any parasite eggs are within the sample by placing feces in a liquid |
| fecal sample | used to diagnose internal parasites and the presence of blood in the stool |
| fecal smear | preparation by placing a small amount of the fecal sample onto a microscope slide |
| flocculent | contains large amounts of particles called sediment suspended in the urine and appearing cloudy |
| focus knob | the portion of the microscope that allows better visualization of the sample |
| formalin | chemical used to preserve tissue samples |
| gram negative | bacteria that stains red |
| gram positive | bacteria that stains purple |
| gram stain | tests evaluated to determine presence of bacteria and type of bacteria in a sample |
| gross examination | visible observation of feces |
| hematocrit | measurement of the percentage of red blood cells in whole or unclotted blood. Also called a PVC |
| hematology | the study of blood |
| hemolysis | the rupture of red blood cells causing a pink coloration to develop in the plasma or serum. |
| in-house testing | lab samples are analyzed in the vet facility |
| lens objective | microscope viewer that offers a variety of different powers |
| medium | gel where organism growth may occur |
| microhematocrit | measurement of the percentage of red blood cells in whole or unclotted blood: also called a PCV |
| microhematocrit tube | thin, small glass tubes that hold blood within a centrifuge |
| midstream | urine collected shortly after the urination begins and just prior to the process of ending |
| morphology | the cell structure, shape, color, and appearance |
| necropsy | procedure done by examining the body of a deceased animal to determine the cause of death |
| oil immersion | the use of a specialized oil that is placed over a sample in order to view the contents |
| packed cell volume | measurement of the percentage of red blood cells in whole or unclotted blood. also called a hematocrit |
| panel | individual blood test |
| plasma protein | measures the ratio of protein within the blood and helps determine hydration status and inflammation. also called total protein. |
| reagent | chemicals are used to run each individual test in the entire kit |
| reagent strip | chemical test strip used to analyze urine or blood. Strip separated by individual pads containing chemically treated paper |
| reference lab | commercial lab to analyze samples that can not be tested in the vet facility |
| refractometer | tool used to measure the weight of a liquid and determine the liquid's PH level |
| rods | oblong bacteria shape |
| rotors | wheels in a centrifuge that spin |
| SNAP test | a serologic test |
| specific gravity | the weight of a liquid |
| total protein | measures the ratio of protein within the blood and helps determine hydration status and inflammation, also called plasma protein |
| urinalysis | break down of urines components |
| vacutainer tube | tube used to place blood samples in for future sampling |
| voided | urine sample collected as the animal is urinating |
| whole blood | blood sample placed in a lavender top tube to prevent clotting of the sample |
Created by:
jkramb
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