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Ch. 48

Laboratory Procedures

TermDefinition
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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