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What gives rise to all the formed elements of the blood?
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17. The Blood
Introduction To Blood
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Which of the following is not found in blood plasma?
A
Red blood cells
B
Glucose
C
Electrolytes
D
Albumin
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Understand the composition of blood plasma: Blood plasma is the liquid component of blood, making up about 55% of its total volume. It is primarily composed of water, proteins, electrolytes, nutrients, gases, and waste products.
Identify the components listed in the options: The options given are red blood cells, glucose, electrolytes, and albumin.
Recognize the role of each component: Glucose is a sugar that serves as a primary energy source, electrolytes are minerals that help maintain fluid balance and nerve function, and albumin is a protein that helps maintain osmotic pressure and transport substances.
Differentiate between plasma and cellular components: Blood is composed of plasma and cellular elements. Red blood cells, white blood cells, and platelets are the cellular components, while plasma contains dissolved substances.
Determine which component is not found in plasma: Red blood cells are cellular components and are not dissolved in plasma. Therefore, they are not found in the plasma itself, unlike glucose, electrolytes, and albumin, which are dissolved in plasma.
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