1226248
Descripción
Fichas por Nicole Roberts, actualizado hace más de 1 año
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Creado por Nicole Roberts
hace alrededor de 10 años
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| Pregunta | Respuesta |
| Vacutainer tubes | contain the appropriate anticoagulant and a vacuum for drawing in the appropriate volume of blood |
| Red-Top or Serum Collection Tube | contains no anticoagulant blood that is placed in this tube is expected to clot so you can get serum |
| Lavender-Top tubes | contains the anticoagulant EDTA salt collect blood for hematologic determinations |
| Green-Top or Heparin tubes | contains lithium heparin advantage is that time is not required for clotting to yield serum the plasma may be separated immediately for testing |
| Total protein may be slightly higher for plasma because it includes fibrinogen Potassium averages about 0.5mmol/L higher for serum because of platelet release during clotting | True |
| Blue-Top or Citrate Tube | contains sodium citrate used for coagulation biochemistry determinations |
| Sure-Sep Tube | variation of the red top tube containing no anticoagulant. stopper is red with black mottling. contains a gel that separates packed cell fractions from serum |
| Gray-Top or Fluoride Tube | contains sodium fluoride (not an anticoagulant) inhibits enzymes in the glycotytic pathway and prevents erythrocytes from metabolizing glucose while whole blood is being transported to the lab not commonly used |
| Blood collected for a CBC should be analyzed within __ hour or be prepared in the proper way for analysis at a later time | 1 hour - if not then blood smear should be prepared and the tube refrigerated |
| Blood collected in the red top tube is allowed to clot for _____ minutes and then centrifuged to separate the cellular components from the serum | 15-30 minutes, serum should be analyzed quickly otherwise refrigerate it for as long as 24-48 hours |
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