Which plasma protein is NOT produced by the liver?

Study for the Ciulla Clinical Chemistry Test. Enhance your knowledge with flashcards and multiple-choice questions. Prepare for the exam with comprehensive study materials and detailed explanations for each question.

Multiple Choice

Which plasma protein is NOT produced by the liver?

Explanation:
Most plasma proteins are made by the liver, which is the main factory for proteins circulating in the blood. Albumin, haptoglobin, and fibrinogen are all produced by liver cells and serve important roles: albumin maintains oncotic pressure and carries substances, haptoglobin binds free hemoglobin, and fibrinogen is essential for clot formation. Immunoglobulin G, on the other hand, is an antibody produced by plasma cells derived from B lymphocytes in the immune system, not by hepatocytes. Because of that, IgG is not produced by the liver.

Most plasma proteins are made by the liver, which is the main factory for proteins circulating in the blood. Albumin, haptoglobin, and fibrinogen are all produced by liver cells and serve important roles: albumin maintains oncotic pressure and carries substances, haptoglobin binds free hemoglobin, and fibrinogen is essential for clot formation. Immunoglobulin G, on the other hand, is an antibody produced by plasma cells derived from B lymphocytes in the immune system, not by hepatocytes. Because of that, IgG is not produced by the liver.

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