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A cbc specimen rejected for testing by the hematology dept the tube was filled completely and labeled properly what might have been the reason for rejection?
The specimen may have been clotted, hemolyzed, or not properly mixed. It could also have been expired or contaminated. It's important to follow proper blood collection procedures to ensure accurate test results.
Is HF a strong electrolyte a weak electrolyte or non-electrolyte?
HF is a weak electrolyte because it partially dissociates into ions in solution, producing a small amount of H+ and F- ions. This results in a limited ability to conduct electricity compared to strong electrolytes like salts that fully dissociate into ions in solution.
Why is methanol a weak electrolyte?
Methanol is a weak electrolyte because it does not dissociate completely into ions in solution. While a small portion of methanol molecules may break apart into ions, most remain intact as neutral molecules. This results in a low concentration of ions in solution, making it a weak electrolyte.
Dissolving an electrolyte in water results in the formation of?
ions, which allow the solution to conduct electricity.
What is possible occurrence if a blood specimen tube for hematology tests is filled correctly but not mixed long enough?
If a blood specimen tube for hematology tests is not mixed for a sufficient amount of time, the additives in the tube may not be evenly distributed in the sample. This can result in inaccurate test results, such as falsely low or high cell counts. It is important to follow proper mixing protocols to ensure accurate laboratory results.
Which test can be done on a hemolyzed specimen?
While hemolysis can interfere with many tests, some tests can still be performed on a hemolyzed specimen. For instance, certain electrolyte levels (like potassium) can still be measured, but results may be artificially elevated. Additionally, tests for lactate dehydrogenase (LDH) and aspartate aminotransferase (AST) can also be conducted, though clinicians must interpret results with caution due to the potential for altered values. It's essential to consult specific laboratory guidelines for the tests affected by hemolysis.
What does specimen slightly hemolyzed mean?
A slightly hemolyzed specimen refers to a blood sample with some degree of red blood cell rupture during collection or processing. This may affect test results and can be caused by rough handling, improper venipuncture technique, or prolonged tourniquet application. It is important to note any hemolysis as it can interfere with certain laboratory tests.
A cbc specimen rejected for testing by the hematology dept the tube was filled completely and labeled properly what might have been the reason for rejection?
The specimen may have been clotted, hemolyzed, or not properly mixed. It could also have been expired or contaminated. It's important to follow proper blood collection procedures to ensure accurate test results.
If Fibrin clot forms in serum layer of blood specimen?
it will lead to inaccurate results
Why would a CBC specimen be rejected?
A CBC specimen may be rejected due to specimen hemolysis (breakdown of red blood cells), inadequate sample volume, clotted specimen, improper handling or storage, or outdated sample. These factors can affect the accuracy and reliability of the test results.
Would a icteric bilirubin specimen be rejected?
It depends on the laboratory's guidelines. If the icteric bilirubin specimen interferes with the accuracy of the test results, then it may be rejected. In some cases, the specimen may be processed but flagged for having abnormal color.
Is HF a strong electrolyte a weak electrolyte or non-electrolyte?
HF is a weak electrolyte because it partially dissociates into ions in solution, producing a small amount of H+ and F- ions. This results in a limited ability to conduct electricity compared to strong electrolytes like salts that fully dissociate into ions in solution.
What are normal results of a small intestine biopsy?
Normal results are no abnormalities seen on gross examination of the specimen(s) or under the microscope after tissue preparation
For a paternity test, is the mother's specimen required When the mother is not included on the test, the test results or accuracy could be affected Thanks, Reina Maria?
Try contacting the Orthopedic and Sports Medicine Center in Maine at http://www.tamc.org or call them at (207) 498-6151.
What is the result of combining the ocular and the lens for observation of a specimen?
Combining the ocular (eyepiece) and the lens (objective) in a microscope results in magnification of the specimen. The ocular lens further magnifies the image produced by the objective lens, allowing for detailed observation of the specimen.
What is the intra-analytical phase of specimen collection and handling?
The intra-analytical phase refers to the processes that occur during the analysis of a specimen in the laboratory, including sample preparation, analysis, and interpretation of results. It involves activities such as centrifuging, aliquoting, and performing tests on the specimen. Proper handling and processing during this phase are crucial to ensuring accurate and reliable test results.
Why is viral gastroenteritis of concern in young children?
It can cause extreme fluid loss that results in dehydration and electrolyte imbalances.
