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Why clot blood before centrifuging?
Clotting the blood before centrifuging allows the separation of the serum (liquid portion of the blood) from the clot (solid portion of the blood). This separation is important for various laboratory tests that require only the serum component. Additionally, clotting helps prevent hemolysis, which can release intracellular components that may interfere with test results.
What tube is used to draw a blood chemistry?
A serum tube, typically a red-top tube, is used to draw blood for a chemistry panel. It is important to allow the blood to clot before centrifuging to separate the serum for testing.
When centrifuging a microhematocrit tube it is important to?
Plug one end with clay
When determining the you will centrifuge whole blood in order to allow the formed elements to sink to the bottom of the sample?
The hematocrit is calculated by centrifuging whole blood to measure the volume of the formed elements. Many other lab tests require the blood to be centrifuged first, but the hematocrit is the test that can be done solely through centrifuging and measuring.
Why is centrifuging used in blood banks?
Centrifuging is used in blood banks to separate blood components based on their density. This allows for the isolation of specific components such as red blood cells, platelets, and plasma, which are used for various medical treatments. Separating blood components through centrifugation helps ensure that patients receive the specific blood products they need.
What are the characteristics and implications of partial hemolysis in blood samples?
Partial hemolysis in blood samples refers to the breakdown of some red blood cells, leading to a pink or red discoloration of the sample. This can affect the accuracy of certain blood tests, as it may release substances that interfere with the results. It is important to properly handle and store blood samples to prevent hemolysis and ensure reliable test results.
Can you detect chlamydia in blood samples?
Chlamydia is typically detected through urine or swab samples, not blood samples. Blood tests are not commonly used for diagnosing chlamydia.
What are the uses of centrifuging?
it speeds settling or separating of compounds they often use it to separate blood so they can test the veracious parts of it
What is the correct sequence when obtaining multiple samples of blood?
The correct sequence when obtaining multiple samples of blood is to collect samples in the following order: blood cultures, non-additive tubes (for serum), tubes with additives (e.g., EDTA, heparin, citrate), and finally, blood samples for coagulation studies. This sequence ensures that samples are not contaminated by additives from other tubes and prevents cross-contamination.
Is centrifuging 30 minutes at 1500 RCF equivalent to centrifuging 15 minutes at 3000 RCF?
Anyone?
What kinds of patient samples are used for the purpose of identifying possible pathogens?
Samples may include stool sample, blood sample, or other samples.
What is a pooled blood product?
A pooled blood product is a collection of multiple donated blood samples in order to test 10 samples at a time to see whether the blood tests positive or negative for certain diseases. If negative, then the cost of testing the other 9 samples has been saved!
