If a person is deficient in factor VII of the clotting pathway, which of the following is the best description of the expected results of their clotting tests?

• A. The prothrombin time will be prolonged.
• B. The partial thromboplastin time will be prolonged.
• C. The prothrombin time is prolonged, but the partial thromboplastin time is normal.
• D. The prothrombin time is normal, but the partial thromboplastin time is prolonged.

Answer: (C)