Which plasma protein is NOT produced by the liver?

Prepare for the Ciulla Clinical Chemistry Test with comprehensive flashcards and detailed multiple-choice questions. Each question includes helpful hints and explanations. Boost your confidence and excel in your test!

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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