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Multiple Choice
Which of the following is not a plasma protein?
A
Globulin
B
Albumin
C
Fibrinogen
D
Hemoglobin
Verified step by step guidance
1
Understand the role of plasma proteins in the blood. Plasma proteins are crucial components of blood plasma and include globulins, albumin, and fibrinogen.
Identify the functions of each plasma protein: Albumin helps maintain osmotic pressure, globulins are involved in immune functions, and fibrinogen is essential for blood clotting.
Recognize that hemoglobin is not a plasma protein. Hemoglobin is a protein found in red blood cells, responsible for transporting oxygen from the lungs to the rest of the body.
Differentiate between plasma proteins and other blood components. Plasma proteins are dissolved in the plasma, whereas hemoglobin is contained within red blood cells.
Conclude that hemoglobin is not a plasma protein, as it is not found in the plasma but rather in the cellular component of blood.