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

Prepare effectively for the VTNE Laboratory Procedures Test with engaging flashcards and multiple-choice questions, each complemented by helpful hints and explanations. Boost your confidence and readiness for exam day!

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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