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What cause blood clumping?
Blood clumping, or agglutination, occurs when blood cells clump together due to the presence of antibodies that react with antigens on the surface of the cells. This can happen during incompatible blood transfusions or in certain autoimmune diseases where the immune system mistakenly targets its own blood cells.
Why is proper agitation of platelets while they are being stored important?
Proper agitation of platelets during storage is crucial to prevent aggregation and maintain their functionality. Agitation helps ensure uniform distribution of platelets in the storage bag, reducing the risk of clumping and preserving their surface area for optimal interaction with other cells and tissues. This process enhances the shelf life and efficacy of platelets for transfusion, ultimately improving patient outcomes. Without proper agitation, platelet viability and effectiveness can significantly decline.
Why platelets are hard to count?
Platelets are small, disc-shaped cell fragments that circulate in the blood and are much smaller than red or white blood cells, making them challenging to count accurately. Their number can vary significantly in a sample due to clumping or aggregation, which can occur during blood collection or processing. Additionally, automated counting machines may struggle with distinguishing platelets from other small particles in the blood, leading to potential inaccuracies. Specialized techniques, such as microscopy or flow cytometry, may be required for precise platelet counting.
True or False..... Lymph is formed from blood during capillary exchange and rejoins the bloodstream later.?
Lymph is formed from blood during capillary exchange and rejoins the bloodstream later is true.
A clumping of antigen-to-antibody particles during an immunoassay such as the modern pregnancy test is known as?
agglutination
What causes edema that occurs during the inflammatory process?
Increased capillary permeability
Fibrinogen is a protein produced in platelets that .?
converts to fibrin during the clotting process
Atoms clumping during extreme cold is a brief definition in which state?
They clump and form Bose-Einstin Condensates (BEC).
What will happen to the water in the capillary tube during the investigation of osmosis?
It will increase due to osmosis
Is lymph formed from blood during capillary exchange and refoins the bloodstream later?
This true.
What thrombocytes are splintered by leukocytes?
Thrombocytes, or platelets, are small cell fragments in the blood that play a key role in hemostasis, helping to prevent bleeding by clumping and forming plugs in injured blood vessels. When leukocytes, or white blood cells, become activated during an immune response, they can inadvertently damage platelets through various mechanisms, leading to their fragmentation. This process can occur in inflammatory conditions or infections, where activated leukocytes release enzymes that can disrupt platelet integrity. As a result, splintered thrombocytes may contribute to altered clotting dynamics and affect overall hemostatic function.
The process by which neutrophils are squeezed through the capillary walls during the inflammatory process is called?
diapedesis
