The layer known as the buffy coat in a centrifuged blood sample contains which cells?

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Study for the VTNE Laboratory Procedures Test. Use flashcards and multiple choice questions, each question offers hints and explanations, enabling increased understanding and retention. Prepare effectively for your exam!

Multiple Choice

The layer known as the buffy coat in a centrifuged blood sample contains which cells?

Explanation:
When blood is spun down, it separates into three distinct layers. The bottom layer is the dense red blood cells (erythrocytes), the thin middle layer is the buffy coat, and the top layer is plasma (or serum if the sample is clotted). The buffy coat is the cell-containing layer, specifically housing white blood cells (leukocytes) and platelets. Erythrocytes are not in this layer, and plasma or serum are mainly fluid with few cells. So, the buffy coat is where the cells of interest reside—white blood cells and platelets.

When blood is spun down, it separates into three distinct layers. The bottom layer is the dense red blood cells (erythrocytes), the thin middle layer is the buffy coat, and the top layer is plasma (or serum if the sample is clotted). The buffy coat is the cell-containing layer, specifically housing white blood cells (leukocytes) and platelets. Erythrocytes are not in this layer, and plasma or serum are mainly fluid with few cells. So, the buffy coat is where the cells of interest reside—white blood cells and platelets.

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