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39. Name materials needed for a direct smear: 1. 2. 3. FILL IN THE BLANK In the veterinary practice laboratory, sensitive equipment such as chemistry analyzers and cell counters must be physically separated from and water baths. 2. High-quality Internet sites are with no vested interest in the content. 3. The mandates specific laboratory practices that must be incorporated into the laboratory safety policy. 4. Concentrations of dilutions are usually expressed as ratios of the volume to the new volume. 5. When viewed through a compound light microscope, an object appears and reversed. 6. Excess oil on microscope lenses may require the use of for cleaning. 7. A horizontal centrifuge head, also known as the the centrifuge is at rest. type, has specimen cups that hang vertically when 8. The microhematocrit centrifuge is configured to accommodate tubes. 9. The most common uses of the refractometer are determination of the of urine or other fluids and the concentration of plasma or other fluids. 10. The refractometer is calibrated with 11. All spectrophotometers contain a light source, prism, photodetector, and readout device. 12. are calibrated to count cells in specified size ranges. 13. Before processing, refrigerated blood samples must be are periodically performed to make sure that the 14. For many hematology analyzers, diluting solution is not contaminated and/or the glassware and tubing are not dirty. 15. A small dish of may be placed inside an incubator to maintain proper humidity. TRUE OR FALSE 1. Samples for hematology testing should be collected from a properly fasted animal. The cephalic vein is the preferred site for large quantities of blood collection in all dogs and cats. 2. 3 Heparin is the preferred anticoagulant for hematology testing. Sodium citrate anticoagulant is used for coagulation tests. 4 Impedance analyzers quantify cells in a sample based on their size and density. 5. The veterinary clinical laboratory should be located in an area that is separate from other hospital operations. which may contaminate specimens and interfere with test results. 111 Chapter 10 Laboratory Procedures