Multiple Choice
In medical terminology, which term refers to the mass (quantity) of blood within the body?
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17. The Blood
Introduction To Blood
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In an Introduction to Blood, the liquid portion of blood is called the:
A
Hematocrit
B
Serum
C
Plasma
D
Formed elements
Verified step by step guidance1
Step 1: Understand the components of blood. Blood consists of two main parts: the liquid portion and the cellular portion.
Step 2: Identify the liquid portion of blood. The liquid portion is the fluid that carries cells and other substances throughout the body.
Step 3: Differentiate between the terms given: Hematocrit refers to the percentage of red blood cells in blood; Serum is plasma without clotting factors; Formed elements are the cellular components like red blood cells, white blood cells, and platelets.
Step 4: Recognize that Plasma is the liquid portion of blood that contains water, proteins, nutrients, hormones, and waste products, and it includes clotting factors.
Step 5: Conclude that the correct term for the liquid portion of blood, including clotting factors, is Plasma.
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