The accurate statement is that key blood clotting factors are synthesized in the liver, requiring Vitamin K.
The true statement is:
a. Several key blood clotting factors are synthesized in the liver.
This is accurate as the liver produces factors II (prothrombin), V, VII, IX, X, and others involved in clotting. Vitamin K is essential for their synthesis. Erythropoietin (EPO) is produced by the kidneys, not the bone marrow as stated in option b. Prothrombin is not synthesized by the kidney as mentioned in option c, but by the liver.
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