Multiple Choice
The terms biconcave and anucleated apply to __________.
17. The Blood
Introduction To Blood
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The buffy coat that appears after a sample of blood has been centrifuged contains __________.
A
serum
B
RBCs
C
WBCs and platelets
D
plasma
Verified step by step guidance1
Understand the components of blood: Blood is composed of plasma, red blood cells (RBCs), white blood cells (WBCs), and platelets.
Learn about centrifugation: Centrifugation is a process that separates components of blood based on their density by spinning the sample at high speed.
Identify the layers formed after centrifugation: After centrifugation, blood separates into layers. The bottom layer contains RBCs, the middle layer is the buffy coat, and the top layer is plasma.
Define the buffy coat: The buffy coat is a thin layer that appears between the RBCs and plasma after centrifugation. It contains WBCs and platelets.
Recognize the correct answer: Based on the definition, the buffy coat contains WBCs and platelets, not serum, RBCs, or plasma.
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