Multiple Choice
In the context of an introduction to blood, what is the liquid portion of blood called?
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17. The Blood
Introduction To Blood
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In human blood, what is the name of the liquid portion that suspends the formed elements (cells and platelets)?
A
Hematocrit
B
Hemoglobin
C
Plasma
D
Serum
Verified step by step guidance1
Understand the components of human blood: blood consists of formed elements (red blood cells, white blood cells, and platelets) suspended in a liquid medium.
Identify the liquid portion of blood that carries these formed elements. This liquid is responsible for transporting nutrients, hormones, and waste products throughout the body.
Recall the definitions of the given options: Hematocrit is the percentage of blood volume occupied by red blood cells; Hemoglobin is the oxygen-carrying protein inside red blood cells; Serum is the fluid remaining after blood has clotted, lacking clotting factors.
Recognize that the liquid portion of blood that suspends the formed elements and contains clotting factors is called plasma.
Therefore, the correct term for the liquid portion of blood that suspends the formed elements is plasma.
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